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Dr. Mark Arnold Welch, DO

(20 Ratings)

Specializes in: Psychiatry

Professional interests include: insomnia, sleep apnea, restless leg syndrome, and more.

11374 Mountain View Avenue
Loma Linda, CA 92354

(909) 558-6094

Dr. Mark Arnold Welch, DO is a psychiatrist in Loma Linda, CA specializing in psychiatry. Dr. Mark Arnold Welch, DO is affiliated with Loma Linda University Health, Loma Linda University Faculty Medical Clinics, Loma Linda University Medical Center and FACULTY PHYSICIANS AND SURGEONS OF LLUSM.

Office Locations

11234 Anderson Street
Loma Linda, CA 92354

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11370 Anderson Street Suite 3300
Loma Linda, CA 92354

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11374 Mountain View Avenue
Loma Linda, CA 92354

(909) 558-6094

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark Arnold Welch, DO in 2023

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

Top 5%

By Volume:

home cardiorespiratory sleep study

By Affordability:

airway management

CPAP treatment

sleep study with CPAP

In 2023, among providers in related specialties within California, Dr. Mark Arnold Welch, DO performed more home cardiorespiratory (type 3) sleep study procedures for Medicare patients than 95% of them and he also had a list price for airway management, CPAP treatment, and sleep study with CPAP that was lower than the list prices billed to Medicare by 95% of them. 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 Affordability:

cardiorespiratory sleep study

home cardiorespiratory sleep study

in-lab polysomnography

in-lab sleep study

polysomnography

In 2012, Dr. Mark Arnold Welch, DO had a list price for cardiorespiratory (type 3) sleep study, home cardiorespiratory (type 3) sleep study, in-lab polysomnography (overnight sleep study), in-lab sleep study, and polysomnography (PSG) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2012 were sleep study, hospital care, inpatient care and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	77
doctor visit	168
hospital care	83
inpatient care	83
sleep study	138

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2013 were sleep study, airway management, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	100
doctor visit	194
hospital care	95
inpatient care	95
sleep study	177

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	136
Female	142

**Ethnicity**
Non-Hispanic White	173
Black	37
Hispanic	50
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	0
85 and over	0
Less than 65	122

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2013

Hypertension	70
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	40
Depression	44
Chronic Kidney Disease	27
Asthma	15
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	30
Chronic Obstructive Pulmonary Disease	18
Diabetes	36
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2014 were sleep study, airway management, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	119
doctor visit	243
hospital care	33
inpatient care	33
sleep study	216

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	152
Female	149

**Ethnicity**
Non-Hispanic White	177
Black	41
Hispanic	60
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	70
85 and over	17
Less than 65	95

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2014

Hypertension	71
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	39
Depression	35
Chronic Kidney Disease	28
Asthma	17
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	38
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2015 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	91
doctor visit	238
sleep study	176

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	246
Female	256

**Ethnicity**
Non-Hispanic White	340
Black	38
Hispanic	92
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	116
85 and over	36
Less than 65	140

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2015

Hypertension	75
High Cholesterol	52
Stroke	8
Ischemic Heart Disease	37
Depression	33
Chronic Kidney Disease	28
Asthma	23
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	37
Chronic Obstructive Pulmonary Disease	19
Diabetes	39
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2016 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	93
doctor visit	221
sleep study	170

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	126
Female	148

**Ethnicity**
Non-Hispanic White	167
Black	36
Hispanic	57
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	58
85 and over	22
Less than 65	83

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2016

Hypertension	74
High Cholesterol	54
Stroke	8
Ischemic Heart Disease	35
Depression	36
Chronic Kidney Disease	34
Asthma	25
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	39
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2017 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	79
doctor visit	253
sleep study	166

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	113
Female	146

**Ethnicity**
Non-Hispanic White	170
Black	32
Hispanic	43
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	54
85 and over	21
Less than 65	79

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2017

Hypertension	67
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	39
Asthma	18
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	38
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2018 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	74
doctor visit	302
sleep study	195

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	131
Female	166

**Ethnicity**
Non-Hispanic White	191
Black	29
Hispanic	58
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	76
85 and over	20
Less than 65	75

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2018

Hypertension	71
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	41
Depression	35
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	36
Chronic Obstructive Pulmonary Disease	20
Diabetes	40
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2019 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	80
doctor visit	288
sleep study	177

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	136
Female	143

**Ethnicity**
Non-Hispanic White	174
Black	35
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	105
From 75 to 84	69
85 and over	24
Less than 65	81

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2019

Hypertension	69
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	37
Depression	39
Chronic Kidney Disease	33
Asthma	16
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2020 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	91
doctor visit	236
sleep study	226

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	159
Female	169

**Ethnicity**
Non-Hispanic White	200
Black	38
Hispanic	64
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	77
85 and over	20
Less than 65	88

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2020

Hypertension	66
High Cholesterol	54
Stroke	5
Ischemic Heart Disease	33
Depression	35
Chronic Kidney Disease	37
Asthma	14
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	32
Chronic Obstructive Pulmonary Disease	15
Diabetes	41
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2021 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	46
doctor visit	233
sleep study	189

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	133
Female	151

**Ethnicity**
Non-Hispanic White	172
Black	26
Hispanic	66
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	75
85 and over	20
Less than 65	69

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2021

Hypertension	66
High Cholesterol	55
Stroke	8
Ischemic Heart Disease	33
Depression	33
Chronic Kidney Disease	33
Asthma	20
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	14
Diabetes	36
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA during 2022 were sleep study and airway management.

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

airway management	49
doctor visit	254
sleep study	169

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	109
Female	149

**Ethnicity**
Non-Hispanic White	162
Black	27
Hispanic	55
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	63
85 and over	21
Less than 65	58

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2022

Hypertension	75
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	24
Depression	30
Chronic Kidney Disease	20
Asthma	17
Osteoperosis	17
Atrial Fibrilation	21
Heart Failure	24
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Arnold Welch, DO for Medicare patients.

The highest averages for the top procedures that Dr. Mark Arnold Welch, DO treated as a psychiatrist in Loma Linda, CA were sleep study, airway management, hospital care and inpatient care.

airway management	81
doctor visit	239
hospital care	70
inpatient care	70
sleep study	181

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Arnold Welch, DO.

**Gender**
Male	131
Female	147

**Ethnicity**
Black / African American	30
Asian / Pacific Islander	1
Non-Hispanic White	175
Hispanic	54
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	59
85 and over	18
Less than 65	80
65 to 74	113

Average of Total of Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark Arnold Welch, DO treated were hypertension, high cholesterol, diabetes and depression.

Hypertension	64
High Cholesterol	50
Stroke	6
Ischemic Heart Disease	32
Depression	32
Chronic Kidney Disease	28
Asthma	16
Osteoporosis	11
Heart Failure	28
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Atrial Fibrillation	13
Cancer	9
Dementia	8

Education & Training

He completed residency at Loma Linda University Medical Center. He is certified by the American Board of Psychiatry and Neurology, Psychiatry and has a state license in California.

Residency: Loma Linda University Medical Center

Board Certification: American Board of Psychiatry and Neurology, Psychiatry

Licensed In: California

Affiliations & Hospitals

Dr. Mark Arnold Welch, DO is associated with these hospitals and organizations:

Loma Linda University Health

Loma Linda University Faculty Medical Clinics

Loma Linda University Medical Center

FACULTY PHYSICIANS AND SURGEONS OF LLUSM

Ratings & Reviews

Dr. Mark Arnold Welch, DO has an exceptional overall rating with an average of 4.95 out of 5 stars based on 20 ratings. We collect ratings and reviews of Dr. Mark Arnold Welch, DO from all over the web to help you find the right in Loma Linda, CA.

4.95

Overall Rating

(20 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Mark Arnold Welch, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Janssen Pharmaceuticals, Inc	$361 INVEGA SUSTENNA $172	SPRAVATO $165	INVEGA TRINZA $24
Shire North American Group Inc	$159 VYVANSE $143	MYDAYIS $16
Takeda Pharmaceuticals U.S.A., Inc.	$68 Trintellix $44	VYVANSE $16	$8
Allergan Inc.	$51 VRAYLAR $51
Lundbeck LLC	$39 Brintellix $39
Other	$190 Xyrem $37	Evekeo $32	AirFit $31	Hetlioz $26	FETZIMA $19	Other $45

**Types of Payments**
Food and Beverage	$868

Biography

Dr. Mark Welch is a specialist in psychiatry. He works in Loma Linda, CA. Dr. Welch has indicated that his clinical interests include sleep apnea, restless leg syndrome, and narcolepsy. He is professionally affiliated with Loma Linda University Health. His residency was performed at Loma Linda University Medical Center. On average, patients gave Dr. Welch a rating of 5.0 stars (out of 5).

Select Year:

Dr. Mark Arnold Welch, DO

Office Locations

Therapy on Your Terms

Noteworthy Medicare Patient Procedures Performed by Dr. Mark Arnold Welch, DO in 2023

By Volume:

By Affordability:

By Affordability:

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. Mark Arnold Welch, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Arnold Welch, DO 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. Mark Arnold Welch, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Loma Linda, CA