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Dr. David Joshua Hass, MD

Accepting New Patients

(Dr. David J. Hass, M.D.)

(No ratings)

Specializes in: Adult Gastroenterology

Weill Cornell Medical College

Professional interests include: small intestinal bacterial overgrowth (SIBO), esophageal cancer, zenker's diverticulum, and more.

40 Commerce Park
Milford, CT 06460

(203) 281-4463

Dr. David Joshua Hass, MD is a gastroenterologist in Hamden, CT specializing in adult gastroenterology. He graduated from Weill Cornell Medical College. Dr. David Joshua Hass, MD is affiliated with Hartford Healthcare and Integrated Care Partners.

Office Locations

2200 Whitney Avenue Suite 330
Hamden, CT 06518

open_in_new

Integrated Care Partners

40 Commerce Park
Milford, CT 06460

(203) 281-4463

(203) 287-2930

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Some issues Dr. David Joshua Hass, 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 Then the colonoscope will be withdrawn.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.

In The News

“"Physicians can have increased time and more access with their patients with real-time texting and no layers of bureaucracy with call centers, and patients are given priority with same-day...”—"Membership-based primary care practice aims to challenge traditional business model", Hartford Business, July 2022

Noteworthy Medicare Patient Procedures Performed by Dr. David Joshua Hass, MD in 2023

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

Top 10%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. David Joshua Hass, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% 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. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2012 were hospital care, inpatient care, removal of lesion (e.g. growth) and minimally invasive procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

diagnostic procedures	149
doctor visit	442
gastrointestinal procedures	149
hospital care	249
hydrogen breath test	19
inpatient care	249
methane breath test	19
minimally invasive procedures	149
removal of lesion (e.g. growth)	149

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

diagnostic procedures	171
doctor visit	439
emergency care	11
gastrointestinal procedures	185
hospital care	277
hydrogen breath test	17
inpatient care	277
methane breath test	17
minimally invasive procedures	185
preventive care	14
removal of lesion (e.g. growth)	171

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	206
Female	316

**Ethnicity**
Non-Hispanic White	436
Black	43
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	151
85 and over	102
Less than 65	73

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	43
Depression	27
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	42
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

diagnostic procedures	146
doctor visit	436
gastrointestinal procedures	177
hospital care	249
hydrogen breath test	29
inpatient care	249
methane breath test	29
minimally invasive procedures	177
preventive care	19
removal of lesion (e.g. growth)	146

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	189
Female	268

**Ethnicity**
Non-Hispanic White	391
Black	34
Hispanic	20
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	138
85 and over	88
Less than 65	60

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

diagnostic procedures	177
doctor visit	481
emergency care	14
gastrointestinal procedures	189
hospital care	200
hydrogen breath test	13
inpatient care	200
lab tests	104
methane breath test	13
minimally invasive procedures	189
preventive care	12
removal of lesion (e.g. growth)	177

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	416
Female	504

**Ethnicity**
Non-Hispanic White	770
Black	64
Hispanic	46
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	380
From 75 to 84	282
85 and over	126
Less than 65	132

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2015

Hypertension	75
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	41
Depression	29
Chronic Kidney Disease	32
Asthma	18
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2016 were hospital care, inpatient care, lab tests and minimally invasive procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

blood draw	47
diagnostic procedures	199
doctor visit	421
emergency care	16
gastrointestinal procedures	210
hospital care	238
inpatient care	238
lab tests	220
minimally invasive procedures	210
preventive care	11
removal of lesion (e.g. growth)	199

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	215
Female	302

**Ethnicity**
Non-Hispanic White	434
Black	43
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	203
From 75 to 84	172
85 and over	73
Less than 65	69

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	38
Asthma	25
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2017 were lab tests, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

blood draw	114
diagnostic procedures	195
doctor visit	473
emergency care	15
gastrointestinal procedures	224
hospital care	257
inpatient care	257
lab tests	281
minimally invasive procedures	235
preventive care	29
removal of lesion (e.g. growth)	195

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	246
Female	330

**Ethnicity**
Non-Hispanic White	488
Black	41
Hispanic	0
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	237
From 75 to 84	188
85 and over	74
Less than 65	77

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2017

Hypertension	75
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	40
Asthma	12
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

blood draw	68
diagnostic procedures	194
doctor visit	370
gastrointestinal procedures	206
hospital care	158
hydrogen breath test	22
inpatient care	158
lab tests	134
methane breath test	22
minimally invasive procedures	218
preventive care	12
removal of lesion (e.g. growth)	194

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	199
Female	288

**Ethnicity**
Non-Hispanic White	412
Black	37
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	147
85 and over	49
Less than 65	80

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	15
Diabetes	34
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2019 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

blood draw	51
diagnostic procedures	209
doctor visit	415
gastrointestinal procedures	209
hospital care	149
hydrogen breath test	14
inpatient care	149
lab tests	116
methane breath test	14
minimally invasive procedures	209
removal of lesion (e.g. growth)	209

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	205
Female	294

**Ethnicity**
Non-Hispanic White	403
Black	41
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	164
85 and over	48
Less than 65	77

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2019

Hypertension	72
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	33
Depression	33
Chronic Kidney Disease	37
Asthma	13
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2020 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

blood draw	35
diagnostic procedures	178
doctor visit	413
gastrointestinal procedures	204
hospital care	186
inpatient care	186
lab tests	68
minimally invasive procedures	204
preventive care	13
removal of lesion (e.g. growth)	178

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	207
Female	263

**Ethnicity**
Non-Hispanic White	396
Black	31
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	185
From 75 to 84	168
85 and over	50
Less than 65	67

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2020

Hypertension	72
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

diagnostic procedures	150
doctor visit	352
gastrointestinal procedures	180
hospital care	91
inpatient care	91
minimally invasive procedures	180
preventive care	30
removal of lesion (e.g. growth)	150

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	175
Female	224

**Ethnicity**
Non-Hispanic White	340
Black	26
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	125
85 and over	55
Less than 65	53

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2021

Hypertension	71
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2022 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

diagnostic procedures	132
doctor visit	285
gastrointestinal procedures	132
hospital care	76
inpatient care	76
minimally invasive procedures	132
removal of lesion (e.g. growth)	132

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	141
Female	209

**Ethnicity**
Non-Hispanic White	284
Black	20
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	110
85 and over	52
Less than 65	39

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	26
Depression	29
Chronic Kidney Disease	26
Asthma	16
Osteoperosis	20
Atrial Fibrilation	20
Heart Failure	22
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT during 2023 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

diagnostic procedures	154
doctor visit	288
gastrointestinal procedures	178
hospital care	76
inpatient care	76
minimally invasive procedures	178
preventive care	24
removal of lesion (e.g. growth)	154

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	151
Female	209

**Ethnicity**
Non-Hispanic White	302
Black	19
Hispanic	0
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	174
From 75 to 84	111
85 and over	52
Less than 65	23

Conditions of Medicare patients treated by Dr. David Joshua Hass, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	26
Depression	28
Chronic Kidney Disease	24
Asthma	15
Osteoperosis	21
Atrial Fibrilation	21
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Dementia	8
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. David Joshua Hass, MD for Medicare patients.

The highest averages for the top procedures that Dr. David Joshua Hass, MD treated as a gastroenterologist in Hamden, CT were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

blood draw	63
diagnostic procedures	171
doctor visit	401
emergency care	14
gastrointestinal procedures	186
hospital care	183
hydrogen breath test	19
inpatient care	183
lab tests	153
methane breath test	19
minimally invasive procedures	188
preventive care	18
removal of lesion (e.g. growth)	171

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. David Joshua Hass, MD.

**Gender**
Male	195
Female	267

**Ethnicity**
Black / African American	33
Asian / Pacific Islander	0
Non-Hispanic White	388
Hispanic	9
Native American / Alaskan Native	0
Other	14

**Age**
75 to 84	146
85 and over	64
Less than 65	62
65 to 74	190

Average of Total of Conditions of Medicare patients treated by Dr. David Joshua Hass, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. David Joshua Hass, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	67
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	30
Asthma	13
Osteoporosis	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Atrial Fibrillation	14
Cancer	13
Dementia	11

Education & Training

Dr. David Joshua Hass, MD graduated from Weill Cornell Medical College. He completed residency at Hospital of the University of Pennsylvania. He has a state license in Connecticut.

Medical School: Weill Cornell Medical College

Residency: Hospital of the University of Pennsylvania

Licensed In: Connecticut

Affiliations & Hospitals

Dr. David Joshua Hass, MD is associated with these hospitals and organizations:

Hartford Healthcare

Integrated Care Partners

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. David Joshua Hass, MD appears to accept the following insurance providers: CorVel, Great-West Healthcare, WellCare, Evercare, MultiPlan, United Healthcare, Aetna, Oxford Health Plans, Coventry, Cigna, Anthem, ConnectiCare, Focus Health Solutions, Prime Health, First Health, Private Healthcare Systems (PHCS), CarePartners of Connecticut, Senior Whole Health, Health Direct, Colonial Cooperative Care, BCBS Medicare, Inc., Health Connecticut, Health New England, Healthy Connecticut, Connecticare Commercial, Essence Healthcare, Connecticare Medicare, Community Health Network of Connecticut and Northeast Health Direct.

Insurance Accepted by Provider includes:

According to our sources, Dr. David Joshua Hass, MD accepts the following insurance providers:

CorVel

Great-West Healthcare

WellCare

Evercare

MultiPlan

United Healthcare

Aetna

Oxford Health Plans

Coventry

Cigna

Anthem

ConnectiCare

Focus Health Solutions

Prime Health

First Health

Private Healthcare Systems (PHCS)

CarePartners of Connecticut

Senior Whole Health

Health Direct

Colonial Cooperative Care

BCBS Medicare

Inc.

Health Connecticut

Health New England

Healthy Connecticut

Connecticare Commercial

Essence Healthcare

Connecticare Medicare

Community Health Network of Connecticut

Northeast Health Direct

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General Payments

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

**Payments by Company**
Covidien LP	$254,137 PillCam $102,274	Small Bowel $21,162	GI Solutions $18,627	Colon $7,617	Barrx $4,479	Other $99,978
Medtronic, Inc.	$87,582 PillCam $4,127	$83,455
Given Imaging, Inc.	$28,716 Small Bowel $13,506	Colon $5,997	PillCam SB $4,971	PC COLON $3,964	GI Solutions $189	Other $89
Given Imaging Ltd.	$4,550 Colon $4,550
Gilead Sciences Inc	$2,531 $2,531
Other	$10,497 AMPLIFEYE ENDOSCOPIC DEVICE $1,786	SKOUT $1,238	Endoscopy Products $500	LINZESS $458	Creon $380	Other $6,135

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$276,496
Consulting Fee	$80,632
Travel and Lodging	$16,402
Food and Beverage	$9,623
Honoraria	$2,400
Other	$2,460

Research Payments

Dr. David Joshua Hass, MD has received 8 research payments totaling $44,800.

Biography

Dr. David Hass, who practices in Hamden, CT, Milford, CT, and Guilford, CT, is a medical specialist in adult gastroenterology. Areas of expertise for Dr. Hass include colon cancer, hepatitis, and crohn's disease. He can take Magellan Health Services, Anthem, Blue California, and more. Before completing his residency at Hospital of the University of Pennsylvania, Dr. Hass attended medical school at Weill Cornell Medical College. He is professionally affiliated with Hartford Healthcare and Yale New Haven Health. He welcomes new patients at his office inHamden, CT as reported by Yale New Haven Health.