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Dr. Gerald T. Riess, MD

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Specializes in: Neurology (Brain & Spinal Cord Disease)

Wayne State University School of Medicine

Professional interests include: stroke, electromyography (EMG), multiple sclerosis (MS), and more.

1005 Bellefontaine Avenue Suite 350
Lima, OH 45804

(419) 998-8200

Dr. Gerald T. Riess, MD is a neurologist in Lima, OH specializing in neurology (brain & spinal cord disease). He graduated from Wayne State University School of Medicine. Dr. Gerald T. Riess, MD is affiliated with Lima Memorial Health System.

Office Locations

1005 Bellefontaine Avenue Suite 350
Lima, OH 45804

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Some issues Dr. Gerald T. Riess, MD can help you with:

Stroke

A stroke is a medical emergency that occurs when a blood vessel supplying oxygen and nutrients to the brain is ruptured or blocked. The brain cannot function without a steady supply of oxygen and nutrients, so when the blood supply to the brain is interrupted, even for a brief moment, brain cells begin to die. When a sufficient number of brain cells die, the brain itself can no longer function, meaning that strokes are very dangerous. Strokes can result in impaired movement, speech, cognitive ability, the impairment of important physical functions, and even death.

Anyone can have a stroke, regardless of age and health. Strokes are known to happen at random. However, certain conditions and behaviors can increase one's risk of stroke over time.

Risk factors for stroke include:

Heart disease
Older age
Smoking
Diabetes
High blood pressure
High blood cholesterol and lipids

There are two main types of stroke: ischemic stroke and hemorrhagic stroke. Ischemic stroke occurs more commonly and is when a blood vessel in the brain becomes blocked. Blockages are caused by blood clots and built-up plaque (deposits of fat and cholesterol), which leads to atherosclerosis, a condition where the blood vessels narrow and harden. The resultant restricted blood flow may lead to an ischemic stroke by blocking essential oxygen to the brain, causing the heart to exert more effort to pump blood.

Hemorrhagic stroke occurs when a blood vessel in or around the brain ruptures. The burst vessel leaks blood into surrounding brain tissue, causing irreparable brain damage.

Hemorrhagic strokes are less common and may occur from head injuries, brain aneurysms, brain tumors, and bleeding disorders, amongst other conditions.

Both ischemic and hemorrhagic strokes require immediate medical treatment. Medical intervention can prevent severe and life-threatening brain damage. Signs of stroke include:

-Disorientation or confusion

-Difficulty speaking

-Difficulty walking

-Impaired vision

-Weakness in the face, legs, or arms

-Severe headaches

When someone suspected of having a stroke reaches the hospital, the patient will usually receive a CT or other scan that provides an image of the brain. The scan results can reveal clotted or leaking blood in the brain. Physical exams, neurological exams, and blood tests may also be used to check for blood clotting and sugar. Treatment begins generally immediately if a stroke is detected.

Medical treatment for ischemic strokes includes a thrombolytic medicine which breaks up and disperses blood clots. This medicine can greatly improve stroke recovery and long-term health. However, the thrombolytic medicine must be administered as soon as possible to achieve these results. Other treatments for ischemic strokes are blood thinners and thrombectomy, a surgical procedure to remove a blood clot in the brain. Thrombectomy is performed by inserting a catheter (thin needle) into the artery to reach the blood clot and mechanically remove it. With the clot removed, normal blood flow to the brain resumes. Thrombectomy is typically performed at most six hours after a patient shows signs of a stroke.

Hemorrhagic strokes are treated with blood-saving medication and surgery. For a hemorrhagic stroke caused by the rupture of an aneurysm (blood vessel bulges), surgery to stem the bleeding aneurysm and vessel may be used. One surgical technique is stent-assisted coiling, which adds a stent (small wire-meshed tube) into the blood vessel to block the leaking opening of the aneurysm. A non-surgical procedure is endovascular coiling, where a catheter (thin, hollow needle) places a platinum wire coil at the spot of the aneurysm. The coil blocks bleeding and prevents the aneurysm from continuing to leak blood. These procedures are usually combined with blood-thickening medications. Blood transfusions may be administered if substantial blood loss has occurred.

Since stroke patients may have lost some essential functions while the blood flow to their brains was obstructed, both ischemic stroke and hemorrhage stroke patients may receive post-stroke rehabilitation to rebuild their physical and mental abilities. Some restorative treatments include occupational, physical, and speech therapy. Patients may also receive care from neurologists, who can assist patients in recovering certain brain functions and cognitive abilities, and rehabilitation psychologists, who may help patients with their emotional, behavioral, and cognitive recovery. Some stroke patients require lengthy rehabilitation and may never fully regain function, while others may recover more quickly. While the fastest recovery improvements are usually seen in the first three or four months, stroke rehabilitation can last for years.

If someone begins to show signs of stroke, contact emergency services and call 9-1-1 immediately since blood flow must be restored as soon as possible to help avoid significant brain damage. If an ambulance takes the person to the hospital, paramedics can initiate stroke treatment as soon as the patient enters the ambulance, allowing for more prompt medical intervention and care.

Noteworthy Medicare Patient Procedures Performed by Dr. Gerald T. Riess, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

electrodiagnostic testing

electrophysiological study

nerve conduction studies

In 2023, Dr. Gerald T. Riess, MD had a list price for electrodiagnostic testing, electrophysiological (EP) study, and nerve conduction studies (NCS) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Ohio. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

electroencephalography

In 2012, Dr. Gerald T. Riess, MD performed more electroencephalography (EEG) procedures for Medicare patients than 75% of providers in related specialties within Ohio.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2012 were diagnostic procedures, MRI (magnetic resonance imaging) and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

brain imaging (neuroimaging)	26
diagnostic procedures	769
doctor visit	742
MRI (magnetic resonance imaging)	26

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2013 were diagnostic procedures, MRI (magnetic resonance imaging), hospital care and inpatient care.

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

brain imaging (neuroimaging)	14
diagnostic procedures	73
doctor visit	645
hospital care	15
inpatient care	15
MRI (magnetic resonance imaging)	26
spinal procedures	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	173
Female	175

**Ethnicity**
Non-Hispanic White	326
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	96
85 and over	36
Less than 65	79

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2013

Hypertension	51
High Cholesterol	39
Stroke	8
Ischemic Heart Disease	21
Depression	27
Chronic Kidney Disease	16
Asthma	7
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	21
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2014 were hospital care, inpatient care, diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	48
doctor visit	289
electroencephalography (EEG)	41
hospital care	71
inpatient care	71

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	119
Female	131

**Ethnicity**
Non-Hispanic White	228
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	60
85 and over	23
Less than 65	79

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2014

Hypertension	71
High Cholesterol	61
Stroke	18
Ischemic Heart Disease	34
Depression	37
Chronic Kidney Disease	20
Asthma	8
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	41
Dementia	24
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2015 were hospital care, inpatient care, diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	58
doctor visit	608
electroencephalography (EEG)	57
hospital care	132
inpatient care	132

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	394
Female	478

**Ethnicity**
Non-Hispanic White	802
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	210
85 and over	96
Less than 65	248

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2015

Hypertension	74
High Cholesterol	67
Stroke	22
Ischemic Heart Disease	37
Depression	43
Chronic Kidney Disease	26
Asthma	18
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	24
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2016 were hospital care, inpatient care, diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	66
doctor visit	686
electroencephalography (EEG)	54
hospital care	118
inpatient care	118

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	186
Female	229

**Ethnicity**
Non-Hispanic White	383
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	104
85 and over	55
Less than 65	114

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2016

Hypertension	74
High Cholesterol	62
Stroke	19
Ischemic Heart Disease	40
Depression	40
Chronic Kidney Disease	31
Asthma	24
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	26
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2017 were electroencephalography (EEG), hospital care, inpatient care and diagnostic procedures.

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	50
doctor visit	466
electroencephalography (EEG)	156
hospital care	151
inpatient care	131
outpatient care	20

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	153
Female	210

**Ethnicity**
Non-Hispanic White	330
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	93
85 and over	43
Less than 65	87

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2017

Hypertension	75
High Cholesterol	66
Stroke	28
Ischemic Heart Disease	52
Depression	46
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	31
Chronic Obstructive Pulmonary Disease	30
Diabetes	44
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2018 were electroencephalography (EEG), hospital care, inpatient care and diagnostic procedures.

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	63
doctor visit	623
electroencephalography (EEG)	171
hospital care	116
inpatient care	116

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	189
Female	258

**Ethnicity**
Non-Hispanic White	395
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	158
From 75 to 84	126
85 and over	63
Less than 65	100

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	21
Ischemic Heart Disease	50
Depression	39
Chronic Kidney Disease	38
Asthma	7
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	34
Chronic Obstructive Pulmonary Disease	26
Diabetes	43
Dementia	26
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2019 were electroencephalography (EEG), hospital care, inpatient care and diagnostic procedures.

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	74
doctor visit	604
electroencephalography (EEG)	175
hospital care	77
inpatient care	77

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	188
Female	247

**Ethnicity**
Non-Hispanic White	384
Black	37
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	113
85 and over	59
Less than 65	102

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	25
Ischemic Heart Disease	52
Depression	43
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	34
Chronic Obstructive Pulmonary Disease	28
Diabetes	40
Dementia	24
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2020 were electroencephalography (EEG), hospital care, inpatient care and diagnostic procedures.

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	58
doctor visit	479
electroencephalography (EEG)	138
hospital care	76
inpatient care	76

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	178
Female	220

**Ethnicity**
Non-Hispanic White	359
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	111
85 and over	44
Less than 65	101

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2020

Hypertension	75
High Cholesterol	68
Stroke	20
Ischemic Heart Disease	51
Depression	37
Chronic Kidney Disease	42
Asthma	7
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	41
Dementia	23
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2021 were electroencephalography (EEG), hospital care, inpatient care and diagnostic procedures.

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	49
doctor visit	549
electroencephalography (EEG)	132
hospital care	71
inpatient care	71

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	167
Female	236

**Ethnicity**
Non-Hispanic White	369
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	110
85 and over	53
Less than 65	72

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	53
Depression	39
Chronic Kidney Disease	43
Asthma	6
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	26
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH during 2022 were electroencephalography (EEG), diagnostic procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

diagnostic procedures	74
doctor visit	610
electroencephalography (EEG)	127
hospital care	32
inpatient care	32

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	202
Female	233

**Ethnicity**
Non-Hispanic White	394
Black	25
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	124
85 and over	56
Less than 65	95

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	24
Ischemic Heart Disease	41
Depression	39
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	12
Atrial Fibrilation	25
Heart Failure	26
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gerald T. Riess, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gerald T. Riess, MD treated as a neurologist in Lima, OH were diagnostic procedures, electroencephalography (EEG), hospital care and inpatient care.

brain imaging (neuroimaging)	20
diagnostic procedures	125
doctor visit	572
electroencephalography (EEG)	116
hospital care	85
inpatient care	83
MRI (magnetic resonance imaging)	26
outpatient care	20
spinal procedures	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gerald T. Riess, MD.

**Gender**
Male	177
Female	219

**Ethnicity**
Black / African American	15
Asian / Pacific Islander	0
Non-Hispanic White	360
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	104
85 and over	48
Less than 65	97
65 to 74	146

Average of Total of Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gerald T. Riess, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	65
High Cholesterol	59
Stroke	18
Ischemic Heart Disease	39
Depression	35
Chronic Kidney Disease	30
Asthma	9
Osteoporosis	8
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Atrial Fibrillation	14
Cancer	9
Dementia	21

Education & Training

Dr. Gerald T. Riess, MD graduated from Wayne State University School of Medicine. He completed residency at Montreal Neurological Institute and Hospital. He is certified by the American Board of Psychiatry and Neurology and has a state license in Ohio.

Medical School: Wayne State University School of Medicine

Residency: Montreal Neurological Institute and Hospital

Board Certification: American Board of Psychiatry and Neurology

Licensed In: Ohio

Affiliations & Hospitals

Dr. Gerald T. Riess, MD is associated with these hospitals and organizations:

Lima Memorial Health System

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Gerald T. Riess, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie Inc.	$377 QULIPTA $308	UBRELVY $69
Biohaven Pharmaceutical Holding Company Ltd.	$350 NURTEC ODT $350
Pfizer Inc.	$193 NURTEC ODT $99	ZAVZPRET $94
Amgen Inc.	$96 Aimovig $96
LivaNova USA, Inc.	$92 VNS Therapy $54	VNS Therapy SenTiva Model 1000 Generator $37
Other	$659 Mavenclad $73	AVONEX $60	APTIOM $59	Gilenya $52	TYSABRI $30	Other $385

**Types of Payments**
Food and Beverage	$1,716
Education	$49

Biography

Dr. Gerald Riess is a Lima, OH physician who specializes in neurology (brain & spinal cord disease). Areas of expertise for Dr. Riess include nerve conduction studies (NCS), migraine, and parkinson's disease. Before completing his residency at Montreal Neurological Institute and Hospital, Dr. Riess attended medical school at Wayne State University School of Medicine. Dr. Riess is affiliated with Lima Memorial Health System. His practice in Lima, OH is open to new patients as reported by Doctor.com.

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Dr. Gerald T. Riess, MD

Office Locations

Some issues Dr. Gerald T. Riess, MD can help you with:

Noteworthy Medicare Patient Procedures Performed by Dr. Gerald T. Riess, MD in 2023

By Affordability:

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Gerald T. Riess, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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