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Dr. Jeffrey S. Weiser, MD

Accepting New Patients

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Specializes in: Adult Gastroenterology

Mount Sinai School of Medicine

Professional interests include: acid reflux (GERD), colon cancer, anal fissures, and more.

300 Western Boulevard Suite A
Glastonbury, CT 06033

(860) 657-1920

Dr. Jeffrey S. Weiser, MD is a gastroenterologist in Bloomfield, CT specializing in adult gastroenterology. He graduated from Mount Sinai School of Medicine. Dr. Jeffrey S. Weiser, MD is affiliated with Day Kimball Healthcare, Hartford Hospital and Hartford Healthcare.

Office Locations

Hartford Healthcare

10 Jolley Drive Suite 101
Bloomfield, CT 06002

(860) 286-2470

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Hartford Healthcare

21 South Road Suite 100
Farmington, CT 06032

(860) 409-4567

(860) 409-4846

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Hartford Healthcare

300 Western Boulevard Suite A
Glastonbury, CT 06033

(860) 657-1920

(860) 657-1925

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320 Pomfret Street
Putnam, CT 06260

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Hartford Healthcare

6 Northwestern Drive Suite 302
Bloomfield, CT 06002

(860) 243-5600

(860) 243-3047

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Hartford Healthcare

85 Seymour Street Suite 1000, Hartford Hospital Gi Endoscopy Unit
Hartford, CT 06106

(860) 246-2571

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Some issues Dr. Jeffrey S. Weiser, MD can help you with:

Colonoscopy

Colonoscopy is the use of a special tool called a colonoscope (a thin, flexible tube with a camera on the end) to examine the inside of the colon and rectum. The tube is typically inserted anally, and it allows the physician to examine the large intestine from the inside. It may be done at any time to diagnose bowel problems, but routine colonoscopies are advised after the age of 50 to screen for colon cancer.

A colonoscopy may be performed to diagnose:

Intestinal ulcers
Polyps
Bowel cancer
An unidentified source of pain or bleeding in the intestine

Patients may be asked to drink only liquids in the days before a colonoscopy, or they may be given an enema to remove residual fecal matter. Before the exam, patients are given medication to help them relax, and then lay on their side on a table. The scope is inserted into the anus and gently moved all the way through the large intestine. Air may be pumped into the intestine to improve the view for the physician. Any polyps that are found will be removed. Then the colonoscope will be withdrawn. A colonoscopy is not usually painful, but patients may feel some bloating or have some cramps right afterward. If patients have polyps removed, they might experience a small amount of bleeding. Any side effects should go away within a few hours.

Enteroscopy

Enteroscopy visually examines the small bowel and identifies such issues as bleeding, tumors, polyps, ulcers, and swollen lymph nodes. Common reasons this exam may be ordered are abnormal X-ray results and unexplained diarrhea.

Enteroscopies may be used alone or in combination with other procedures. For example, if a doctor suspects malignancy (cancer) in the small bowel, she may use an enteroscope to take a sample of tissue from the small bowel and have it examined in a laboratory. If there is a blockage in the small intestine that cannot be surgically removed, an enteroscopy-guided stent placement may help relieve some of the symptoms associated with the obstruction. Enteroscopes may also be used to treat intestinal bleeding and remove abnormal growths like tumors and polyps, as well as foreign objects that might have found their way into the small bowel.

There are several ways to perform an enteroscopy:

Push enteroscopy involves the use of a long tube with a camera, called an enteroscope. Depending on the location of the problem, the enteroscope is either passed through the mouth or rectum. This technique is often used to detect and stop bleeding in the upper small intestine.
Balloon enteroscopy uses scopes that have tiny balloons at the tip. The balloons inflate and deflate to help make the passage of the scope into the small bowel easier. This method is used when there is a need to access and treat certain parts of the small intestine that push enteroscopy cannot reach.
Capsule enteroscopy involves swallowing a capsule with a tiny camera inside it. As the capsule travels through the small intestine, the camera records and sends images that are then downloaded and analyzed by the doctor. The capsule eventually leaves the body during bowel movement. If the doctor needs to visualize the entire small intestine, capsule enteroscopy is the only option. The only drawback to this technique is that it cannot be combined with any treatment.

Enteroscopy is typically performed at the doctor's office and takes about 20 to 30 minutes, but may take longer if combined with another procedure. Patients may have a sore throat for a few hours if the scope was inserted through the mouth. Normal activities may be resumed about 24 hours following enteroscopy.

Noteworthy Medicare Patient Procedures Performed by Dr. Jeffrey S. Weiser, MD in 2023

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

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

intravenous infusion

In 2012, Dr. Jeffrey S. Weiser, MD had a list price for hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), and intravenous (IV) infusion that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Connecticut. 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. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

diagnostic procedures	213
doctor visit	362
gastrointestinal procedures	292
hospital care	223
inpatient care	223
minimally invasive procedures	306
preventive care	63
removal of lesion (e.g. growth)	213

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

diagnostic procedures	223
doctor visit	352
gastrointestinal procedures	319
hospital care	336
inpatient care	336
minimally invasive procedures	319
preventive care	59
removal of lesion (e.g. growth)	223

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	222
Female	289

**Ethnicity**
Non-Hispanic White	408
Black	38
Hispanic	53
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	157
85 and over	88
Less than 65	67

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	43
Depression	30
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	30
Chronic Obstructive Pulmonary Disease	19
Diabetes	38
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

diagnostic procedures	223
doctor visit	351
gastrointestinal procedures	278
hospital care	302
inpatient care	302
minimally invasive procedures	278
preventive care	35
removal of lesion (e.g. growth)	223

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	212
Female	266

**Ethnicity**
Non-Hispanic White	402
Black	0
Hispanic	45
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	135
85 and over	81
Less than 65	76

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	44
Depression	34
Chronic Kidney Disease	36
Asthma	14
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

diagnostic procedures	282
doctor visit	406
gastrointestinal procedures	346
hospital care	258
inpatient care	258
minimally invasive procedures	365
preventive care	49
removal of lesion (e.g. growth)	282

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	436
Female	598

**Ethnicity**
Non-Hispanic White	872
Black	60
Hispanic	68
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	386
From 75 to 84	320
85 and over	172
Less than 65	156

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2015

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	37
Asthma	19
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	37
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2016 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

diagnostic procedures	290
doctor visit	427
gastrointestinal procedures	364
hospital care	335
inpatient care	335
minimally invasive procedures	397
preventive care	58
removal of lesion (e.g. growth)	290

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	266
Female	346

**Ethnicity**
Non-Hispanic White	518
Black	33
Hispanic	39
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	194
85 and over	98
Less than 65	91

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	38
Depression	30
Chronic Kidney Disease	38
Asthma	28
Osteoperosis	12
Atrial Fibrilation	22
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

balloon dilation	12
biological response modifier (BRM) therapy	19
chemotherapy	19
diagnostic procedures	311
doctor visit	377
esophageal dilation	12
gastrointestinal procedures	404
hospital care	260
inpatient care	260
minimally invasive procedures	446
preventive care	62
removal of lesion (e.g. growth)	311

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	245
Female	321

**Ethnicity**
Non-Hispanic White	484
Black	27
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	182
85 and over	73
Less than 65	82

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2017

Hypertension	74
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	37
Depression	29
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	13
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	14
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2018 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

biological response modifier (BRM) therapy	46
chemotherapy	46
diagnostic procedures	243
doctor visit	286
gastrointestinal procedures	281
hospital care	262
inpatient care	262
minimally invasive procedures	327
preventive care	24
removal of lesion (e.g. growth)	243

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	202
Female	265

**Ethnicity**
Non-Hispanic White	383
Black	32
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	147
85 and over	81
Less than 65	74

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	4
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	43
Asthma	15
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	29
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2019 were minimally invasive procedures, hospital care, inpatient care and gastrointestinal procedures.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

biological response modifier (BRM) therapy	41
chemotherapy	41
diagnostic procedures	236
doctor visit	244
gastrointestinal procedures	285
hospital care	333
inpatient care	333
minimally invasive procedures	340
preventive care	30
removal of lesion (e.g. growth)	236

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	224
Female	253

**Ethnicity**
Non-Hispanic White	381
Black	39
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	126
85 and over	73
Less than 65	100

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	48
Asthma	12
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	15
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2020 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

biological response modifier (BRM) therapy	40
chemotherapy	40
diagnostic procedures	200
doctor visit	233
gastrointestinal procedures	214
hospital care	207
inpatient care	207
minimally invasive procedures	254
preventive care	14
removal of lesion (e.g. growth)	200

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	192
Female	192

**Ethnicity**
Non-Hispanic White	311
Black	0
Hispanic	28
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	125
85 and over	62
Less than 65	54

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2020

Hypertension	69
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	40
Depression	34
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	27
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

biological response modifier (BRM) therapy	31
chemotherapy	31
diagnostic procedures	230
doctor visit	197
gastrointestinal procedures	261
hospital care	209
inpatient care	209
minimally invasive procedures	312
preventive care	31
removal of lesion (e.g. growth)	230

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	196
Female	200

**Ethnicity**
Non-Hispanic White	331
Black	0
Hispanic	28
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	123
85 and over	61
Less than 65	52

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2021

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	46
Depression	34
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	15
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

diagnostic procedures	224
doctor visit	153
gastrointestinal procedures	237
hospital care	152
inpatient care	152
minimally invasive procedures	256
preventive care	13
removal of lesion (e.g. growth)	224

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	162
Female	199

**Ethnicity**
Non-Hispanic White	305
Black	0
Hispanic	21
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	141
85 and over	46
Less than 65	44

Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	34
Asthma	17
Osteoperosis	20
Atrial Fibrilation	29
Heart Failure	26
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	10
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Jeffrey S. Weiser, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jeffrey S. Weiser, MD treated as a gastroenterologist in Bloomfield, CT were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

balloon dilation	12
biological response modifier (BRM) therapy	35
chemotherapy	35
diagnostic procedures	243
doctor visit	308
esophageal dilation	12
gastrointestinal procedures	298
hospital care	261
inpatient care	261
minimally invasive procedures	327
preventive care	39
removal of lesion (e.g. growth)	243

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Jeffrey S. Weiser, MD.

**Gender**
Male	214
Female	266

**Ethnicity**
Black / African American	20
Asian / Pacific Islander	0
Non-Hispanic White	399
Native American / Alaskan Native	0
Hispanic	33
Other	4

**Age**
75 to 84	150
85 and over	75
Less than 65	72
65 to 74	182

Average of Total of Conditions of Medicare patients treated by Dr. Jeffrey S. Weiser, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Jeffrey S. Weiser, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	67
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	36
Depression	28
Chronic Kidney Disease	36
Asthma	13
Osteoporosis	11
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Atrial Fibrillation	19
Dementia	12
Cancer	15

Education & Training

Dr. Jeffrey S. Weiser, MD graduated from Mount Sinai School of Medicine. He completed residency at Rhode Island Hospital. He is certified by the the American College of Physicians and Member of the American College of Gastroenterology and has a state license in Connecticut.

Medical School: Mount Sinai School of Medicine

Residency: Rhode Island Hospital

Board Certification: the American College of Physicians and Member of the American College of Gastroenterology

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Jeffrey S. Weiser, MD is associated with these hospitals and organizations:

Day Kimball Healthcare

Hartford Hospital

Hartford Healthcare

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Jeffrey S. Weiser, MD appears to accept the following insurance providers: ConnectiCare, Cigna, Health Net, Aetna, Anthem, United Healthcare, Oxford Health Plans and Medicare.

Insurance Accepted by Provider includes:

According to our sources, Dr. Jeffrey S. Weiser, MD accepts the following insurance providers:

ConnectiCare

Cigna

Health Net

Aetna

Anthem

United Healthcare

Oxford Health Plans

Medicare

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General Payments

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

**Payments by Company**
Covidien LP	$1,340 GI Solutions $927	Colon $280	Smart Pill $112	Barrx $21
AbbVie, Inc.	$1,021 Creon $459	Humira $378	Mavyret $17	$167
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$643 XIFAXAN $347	Uceris $146	XIFAXANIBSD $98	Trulance $52
Valeant Pharmaceuticals North America LLC	$453 XIFAXANIBSD $282	XIFAXAN $96	Uceris $66	UCERIS TABLETS $10
Janssen Biotech, Inc.	$448 STELARA $254	SIMPONI $166	OLYSIO $29
Other	$2,770 ENTYVIO $389	Cimzia $220	VIBERZI $119	Rinvoq $109	GATTEX $107	Other $1,826

**Types of Payments**
Food and Beverage	$5,710
Travel and Lodging	$916
Education	$48

Biography

Dr. Jeffrey Weiser is a medical specialist in adult gastroenterology. Clinical interests for Dr. Weiser include colon cancer, celiac disease, and crohn's disease. Anthem, Health Net, and ConnectiCare are among the insurance carriers that Dr. Weiser honors. Dr. Weiser is a graduate of Mount Sinai School of Medicine. His training includes a residency program at Rhode Island Hospital. Dr. Weiser's professional affiliations include Hartford Hospital and Day Kimball Healthcare. Hartford Healthcare reports that he is accepting new patients at his office in Hartford, CT.