Gastroenterologists in Massachusetts

  • Gastroenterology
  • Massachusetts
Gastroenterologists
665
Linked to a hospital or group
555
Hospitals with a gastroenterologist
59
Medical groups with a gastroenterologist
91
Cities
75

There are 665 gastroenterologists in Massachusetts. Massachusetts General Physicians Organization (MGPO) has the most, 86, and Brigham and Women's Hospital has the most affiliated gastroenterologists, 114. Boston is home to 243, and 39% finished medical school 30 or more years ago.

Find work emails and mobile numbers for all 665 Massachusetts gastroenterologists

Validated work emails and mobile numbers for Massachusetts gastroenterologists, found through healthcare waterfall enrichment, with a free Dmand AI account.

View contacts for free

Massachusetts gastroenterologists, listed A to Z by last name

Each gastroenterologist on the list has gastroenterology as their primary specialty and a Massachusetts practice address. The list shows the NPI and city, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

Filter this list with a free account

Sort and filter all 665 Massachusetts gastroenterologists by city, hospital, medical group, the EHR they use and Medicare volume in Dmand AI.

Filter in Dmand AI
Massachusetts gastroenterologists, A to Z
GastroenterologistHospitalsMedical groupsEmail and phone
Michael Jay Aaronson, MDBeverly · NPI 1366547739-1 groupContacts
Diane Renee Abraczinskas, MDBoston · NPI 18119884881 hospital2 groupsContacts
Nitin Aggarwal, MDLawrence · NPI 14071454022 hospitals3 groupsContacts
Jaya R. Agrawal, MDNorthampton · NPI 1316979842-2 groupsContacts
Heidi Shaifqun Ahmed, MDLowell · NPI 18012764722 hospitals1 groupContacts
Lynne B. Ahn, MDBoston · NPI 11442691431 hospital3 groupsContacts
Hiroyuki Aihara, MDBoston · NPI 16193957953 hospitals1 groupContacts
Mona AkbariNPI 1871720037-1 groupContacts
Geetanjali A. Akerkar, MDLowell · NPI 11442891662 hospitals2 groupsContacts
Jacob Alexander, MDSpringfield · NPI 13069070843 hospitals1 groupContacts
Jessica R. Allegretti, MDBoston · NPI 19929324533 hospitals1 groupContacts
Harmony V. Allison, MDBoston · NPI 12452407041 hospital2 groupsContacts
Mohammad AlmeqdadiBoston · NPI 11143783872 hospitals4 groupsContacts
Ali A. Amini, MDMilford · NPI 19625029972 hospitals1 groupContacts
Ashwin N. Ananthakrishnan, MD, MPHBoston · NPI 10332925455 hospitals2 groupsContacts
Harry T. Anastopoulos, MDWellesley Hills · NPI 10433065583 hospitals2 groupsContacts
Bret Adam Ancowitz, MDGardner · NPI 19626070514 hospitals7 groupsContacts
Karin L. Andersson, MDBoston · NPI 19725855115 hospitals2 groupsContacts
Varun Teja Angajala, MDBoston · NPI 19620309401 hospital2 groupsContacts
Adjoa N. Anyane-YeboaBoston · NPI 18516669782 hospitals4 groupsContacts
Michael D. Apstein, MDBoston · NPI 16098546031 hospital1 groupContacts
Razvan Ioan Paul Arsenescu, MDAuburn · NPI 14775603161 hospital2 groupsContacts
Akwi Wasi Asombang, MDBoston · NPI 16797787652 hospitals4 groupsContacts
Yehudith Assouline-Dayan, MDHaverhill · NPI 10931412286 hospitals3 groupsContacts
Uri Avissar, MDBoston · NPI 11342960641 hospital3 groupsContacts
Canan Avunduk, MD, PhDMelrose · NPI 1982671129--Contacts
Julio C. Ayala, MDConcord · NPI 11048833471 hospital2 groupsContacts
Khalid Aziz, MDFramingham · NPI 15381650555 hospitals3 groupsContacts
Gyorgy Baffy, MDJamaica Plain · NPI 1154375350--Contacts
Mena M. Bakhit, MDBurlington · NPI 11647643204 hospitals1 groupContacts
Peter Alan Banks, MDBoston · NPI 1235188251-1 groupContacts
Veronica N. Baptista, MDWaltham · NPI 14078275383 hospitals2 groupsContacts
Nir Mordechai Bar, MDBoston · NPI 15883306585 hospitals2 groupsContacts
Graham F. Barnard, MDMendon · NPI 1942284369--Contacts
George L. Barrett, MDMilton · NPI 16595495901 hospital1 groupContacts
Rosaline F. Barron, MDNewton · NPI 1750479507--Contacts
Curtis Tran Barry, MDMendon · NPI 13260684795 hospitals2 groupsContacts
Anjali Basil, MDBrockton · NPI 13169939833 hospitals3 groupsContacts
Ajay K. Batra, MDMilford · NPI 10534110822 hospitals1 groupContacts
Aymeric Becq, MDBoston · NPI 1861913881--Contacts
Edward Belkin, MDEast Bridgewater · NPI 16798685412 hospitals2 groupsContacts
Emma E. Bell-Wynter, MDBrighton · NPI 1891773743-1 groupContacts
David A. Berkman, MDNorthampton · NPI 12654026141 hospital2 groupsContacts
Marvin David Berman, MDFall River · NPI 12957835461 hospital1 groupContacts
Tyler M. Berzin, MDBoston · NPI 13765976415 hospitals2 groupsContacts
Emily Dana Bethea, MDBoston · NPI 19728980215 hospitals3 groupsContacts
Mitesh S. Bhalala, MDTaunton · NPI 16394975142 hospitals2 groupsContacts
Irun Bhan, MDBoston · NPI 13768608334 hospitals2 groupsContacts
Rohini Vij Bhatia, MDBoston · NPI 18211734363 hospitals2 groupsContacts
Wanda P. Blanton, MDMelrose · NPI 14171234312 hospitals1 groupContacts

Showing 1 to 10 of 597 Massachusetts gastroenterologists

The list shows the 597 gastroenterologists with a public profile. The other 68 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

For health IT teams

Find Massachusetts gastroenterologists by the EHR they use

Dmand AI has the EHR for 618 of 665 Massachusetts gastroenterologists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

Massachusetts General Physicians Organization (MGPO) has the most gastroenterologists in Massachusetts, with 86

Massachusetts General Hospital is second with 85, and Brigham and Women's Hospital third with 71. Counts are gastroenterologists with a Massachusetts address linked to each group.

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Brigham and Women's Hospital has the most affiliated gastroenterologists in Massachusetts, with 114

Massachusetts General Hospital in Boston is second with 109, and Beth Israel Deaconess Medical Center third with 84. Massachusetts gastroenterologists are affiliated with 59 hospitals in all.

Hospitals with the most gastroenterologists in Massachusetts
#HospitalHealth systemGastroenterologists
1Brigham and Women's HospitalBostonMass General Brigham114
2Massachusetts General HospitalBostonMass General Brigham109
3Beth Israel Deaconess Medical CenterBostonBeth Israel Lahey Health84
4Salem HospitalSalemMass General Brigham61
5Newton-Wellesley HospitalNewtonMass General Brigham51
6UMass Memorial Medical Center - University CampusWorcesterUMass Memorial Health Care47
7Brigham and Women's Faulkner HospitalJamaica PlainMass General Brigham45
8Lahey ClinicBurlingtonBeth Israel Lahey Health39
9Tufts Medical CenterBostonTufts Medicine33
10Beverly HospitalBeverlyBeth Israel Lahey Health29

Top 10 of 59 Massachusetts hospitals with an affiliated gastroenterologistAll 103 Massachusetts hospitals

See every hospital and group for each Massachusetts gastroenterologist

Each public profile names one place a gastroenterologist practices. A free account shows all of them, with the employer, the EHR and validated contacts.

Try for free

Source: Dmand AI Affiliation Data

Boston has the most gastroenterologists in Massachusetts, with 243

More Massachusetts cities with gastroenterologists

Gastroenterologists practice in 75 Massachusetts cities. Every city with 10 or more has its own page.

Source: NPPES NPI Registry (CMS)

Most Massachusetts gastroenterologists practice at a hospital: 496 of the 547 with a mapped site

311 also practice at a medical group site, and 72 at fqhcs. A gastroenterologist can practice at several kinds of site, so the shares overlap.

Massachusetts gastroenterologists by site of care

  1. Hospitals496
  2. Medical group practices311
  3. FQHCs72
  4. Ambulatory surgery centers54
  5. Imaging centers38

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

39% of Massachusetts gastroenterologists finished medical school 30 or more years ago

201 of the 514 Massachusetts gastroenterologists with a graduation year on file. 47 graduated in the last 10 years, fewer than graduated 40 or more years ago.

Physicians by years since medical school

  1. Under 10 years ago47
  2. 10 to 19 years ago148
  3. 20 to 29 years ago118
  4. 30 to 39 years ago111
  5. 40 or more years ago90

Source: Dmand AI Professional Profile Data

Every Massachusetts gastroenterologist profile shows current hospitals and groups, Medicare activity and NPI details

  • Primary practiceThe main place they practice, with its type and cityOn every profile
  • Every site of careEach hospital, clinic and group where they practice nowWith a free account
  • EmployerThe organization they work for, when one is on fileWith a free account
  • Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
  • Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
  • Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
  • Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
  • Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
  • NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
  • Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
  • EHR in useThe EHR at each site where they practiceWith a free account
  • Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Massachusetts gastroenterologist directory

Sources for the data on this page
Data on this pageSource
HCPs, types and specialtiesNPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groupsDmand AI Affiliation Data
Medical school graduation yearDmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracyRemove my information

Gastroenterologists are HCPs whose primary specialty is gastroenterology (taxonomy code 207RG0100X), with an active NPI and a Massachusetts practice address.

FAQ

Frequently asked questions about gastroenterologists in Massachusetts

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many gastroenterologists are in Massachusetts?

665 gastroenterologists have an active NPI, a Massachusetts practice address and gastroenterology (taxonomy code 207RG0100X) as their primary specialty. 555 of them are linked to a hospital or medical group.

Which Massachusetts medical groups have the most gastroenterologists?

Massachusetts General Physicians Organization (MGPO), with 86, followed by Massachusetts General Hospital with 85 and Brigham and Women's Hospital with 71.

Which Massachusetts hospitals have the most gastroenterologists?

Brigham and Women's Hospital, with 114 affiliated gastroenterologists, followed by Massachusetts General Hospital with 109 and Beth Israel Deaconess Medical Center with 84.

Which Massachusetts cities have the most gastroenterologists?

Boston, with 243, followed by Burlington (29) and Mendon (25). Gastroenterologists practice in 75 Massachusetts cities in all.

How many Massachusetts gastroenterologists finished medical school 30 or more years ago?

201 of the 514 with a graduation year on file, or 39%. 47 graduated in the last 10 years.

What is the taxonomy code for gastroenterology?

207RG0100X is the NPPES taxonomy code for gastroenterology. Sub-specialties with their own code are counted on their own lists.

How can I contact gastroenterologists in Massachusetts?

Dmand AI finds validated work emails, mobile numbers and practice phone numbers for gastroenterologists in Massachusetts through healthcare waterfall enrichment, matched to the site where each one practices now. They are available with a free Dmand AI account: 30 days free, self-serve, no credit card.

Dmand AI

Find the right contacts among Massachusetts gastroenterologists

Search 665 Massachusetts gastroenterologists by hospital, medical group and the EHR they use, with validated work emails and mobile numbers.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)