Critical Care Doctors (Internal Medicine) in Massachusetts
Data updated monthly · Last refresh October 2026
158 Critical Care Medicine (Internal Medicine) providers practice in Massachusetts, including 36 (23%) offering telehealth. The largest concentration is in Boston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
158providers
36telehealth
Bostontop city
Critical Care Medicine (Internal Medicine) by city in Massachusetts
Choose a city to see providers there.
Where Critical Care Doctors (Internal Medicine) in Massachusetts practice
From CMS Medicare enrollment records covering 96 of the 158 providers listed here (61%). Providers who do not bill Medicare are not included in these figures.
3%solo or small practice (under 10 clinicians)
6%mid-size group (10 to 99)
91%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Critical Care Doctors (Internal Medicine) | All clinicians in group | Main city |
| Massachusetts General Physicians Organization Inc. | 15 | 3,494 | Boston |
| Southcoast Physicians Group Inc. | 15 | 875 | Fall River |
| Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc. | 11 | 1,693 | Boston |
| The General Hospital Corp.oration | 9 | 1,275 | Boston |
| Lahey Clinic Inc. | 8 | 1,381 | Burlington |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Critical Care Doctors (Internal Medicine) affiliated |
| Massachusetts General Hospital | Boston | Nonprofit | 5 of 5 | 20 |
| Southcoast Hospitals Group | Fall River | Nonprofit | 4 of 5 | 16 |
| Beth Israel Deaconess Medical Center | Boston | Nonprofit | 3 of 5 | 16 |
| Brigham and Women's Hospital | Boston | Nonprofit | 5 of 5 | 15 |
| Newton-Wellesley Hospital | Newton | Nonprofit | 5 of 5 | 10 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Critical Care Medicine (Internal Medicine) providers in Massachusetts
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Corina Santmire, MDBeverly, MA · No drug or device payments recorded (2025) ·
(978) 922-3000 Dr. Alexandra Cist, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-1721 Dr. Alissa GenthonBoston, MA · No drug or device payments recorded (2025) ·
(617) 414-7757 Dr. Alnardo Lora, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-9674 Dr. Angela Frank, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-5864 Dr. Ashwin Dharmadhikari, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-3734 Dr. Barbara Cockrill Gootkind, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 525-9733 Dr. Benjamin Medoff, MDBoston, MA · $469 in drug and device payments (2025) · Telehealth ·
(617) 726-1721 Dr. Catherine Fiore, MDBoston, MA · $657 in drug and device payments (2025) · Telehealth ·
(617) 643-7625 Dr. Christopher Cosgriff, MD, MPHBoston, MA · $3,420 in drug and device payments (2025) ·
(617) 726-2000 Dr. Christopher Wilson, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 636-5000 Dr. Christopher Worsham, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-8854 Dr. David Delaney, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-5864 Dr. David Ziehr, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-2674 Dr. Dearbhla Kelly, MBBCHBAO MSC DPHIL Dr. Debby Ngo, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-5864 Dr. Diana Espinoza Barrera, M.DBoston, MA · $1,633 in drug and device payments (2025) ·
(617) 726-2000 Dr. Edward Bittner, MD PHD Dr. Eleanor Phillips, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 732-5500 Dr. Elias Baedorf Kassis, M.D. Dr. Elisabeth Riviello, MD, MPHBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-5864 Dr. Fiona Gibbons, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-1721 Dr. Geoffrey Sheinfeld, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-9711 Dr. Ilana Krumm, MDBoston, MA · $125 in drug and device payments (2025) · Telehealth ·
(617) 724-9674 Dr. James Weiss, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-4895 Dr. Jean Elrick, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-0430 Dr. Jennifer StevensBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-5864 Dr. John Fountain, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-9674 Dr. Jonah Rubin, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-1721 Dr. Jordan Talan, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Joseph Paonessa, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Judith Hellman, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 724-4959 Dr. Justin Salciccioli, MBBS, MA Dr. Katherine Dudley, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 726-1721 Dr. Leo Celi, M.D. M.P.H. M.S.Boston, MA · No drug or device payments recorded (2025) ·
(617) 667-4185 Dr. Lisa Bebell, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 726-8403 Dr. Margaret Allison, MD,PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 643-0596 Dr. Margaret Hayes, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-5864 Dr. Melanie Pogach, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-4895 Dr. Michael Donnino, MDBoston, MA · No drug or device payments recorded (2025) ·
(617) 667-7000 Dr. Michael Feldman, MD, PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-1721 Dr. Michael Gillette, MD PHDBoston, MA · No drug or device payments recorded (2025) ·
(617) 726-1721 Dr. Ming-hui Fan, MDBoston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 643-7972 Dr. Morgan Soffler, M.D.Boston, MA · No drug or device payments recorded (2025) · Telehealth ·
(617) 667-7000 Dr. Paul Dieffenbach, M.D.Boston, MA · No drug or device payments recorded (2025) ·
(617) 732-6770 Common questions
How many Critical Care Medicine (Internal Medicine) providers are in Massachusetts?There are 158 Critical Care Medicine (Internal Medicine) providers with active NPI records practicing in Massachusetts, according to federal NPPES data refreshed monthly.
Do Critical Care Medicine (Internal Medicine) providers in Massachusetts offer telehealth?Yes. 36 of the 158 Critical Care Medicine (Internal Medicine) providers in Massachusetts (about 23%) report offering telehealth services in CMS data.
Which cities in Massachusetts have the most Critical Care Medicine (Internal Medicine) providers?Boston (60), Springfield (17), Burlington (14) have the highest concentration of Critical Care Medicine (Internal Medicine) providers in Massachusetts.
How many Critical Care Medicine (Internal Medicine) providers in Massachusetts received drug or device company payments?48 of 158 Critical Care Medicine (Internal Medicine) providers in Massachusetts (30%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Critical Care Doctors (Internal Medicine) in Massachusetts work in independent practices or large health systems?Among 96 Critical Care Doctors (Internal Medicine) in Massachusetts enrolled in Medicare, 3% bill through a solo or small practice with fewer than 10 clinicians, 6% through a mid-size group of 10 to 99, and 91% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Critical Care Doctors (Internal Medicine) in Massachusetts work at?According to CMS facility affiliation records, the Massachusetts hospitals where the most Critical Care Doctors (Internal Medicine) hold privileges are Massachusetts General Hospital in Boston; Southcoast Hospitals Group in Fall River; Beth Israel Deaconess Medical Center in Boston.
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