Clinicians affiliated with Gbgastro LLC
20 clinicians on file with this group · most practice in Boston-Cambridge-Newton, MA-NH · PAC ID 4587909288
17 clinicians affiliated with Gbgastro LLC are in the 2024 Medicare Part B data, 15 of them physicians. Data years with affiliated clinicians: 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Gastroenterology (8) · Pathology (5) · Diagnostic Radiology (2) · Nurse Practitioner (2)
Specialty links go to the specialty in Boston-Cambridge-Newton, MA-NH.
Clinicians affiliated with Gbgastro LLC, 2024
Alphabetical by last name; 17.
| Name | Specialty | City |
|---|---|---|
| Saint George T Aufranc, MD | Pathology | Framingham, MA |
| Alexander Christakis, M.D. | Pathology | Boston, MA |
| George Dickstein, M.D. | Gastroenterology | Framingham, MA |
| Steven N Fine, M.D. | Gastroenterology | Framingham, MA |
| Justin Hilson, MD | Pathology | Framingham, MA |
| Anna M Malouf, NP | Nurse Practitioner | Framingham, MA |
| Samuel J Miller, MD | Gastroenterology | Boston, MA |
| Andres D Mogollon, M.D. | Gastroenterology | Framingham, MA |
| Adam Nadelson, M.D. | Gastroenterology | Athens, GA |
| Robert M Najarian, M.D. | Pathology | Framingham, MA |
| Marlena Osowski | Nurse Practitioner | Boston, MA |
| Jaime A Oviedo, M.D. | Gastroenterology | Framingham, MA |
| Natalie Rizzo, MD | Pathology | Boston, MA |
| Sarah E Shannahan, M.D. | Gastroenterology | Boston, MA |
| Anatoly M Sukharsky, M.D. | Diagnostic Radiology | Framingham, MA |
| Michelle N Swire, M.D. | Diagnostic Radiology | Framingham, MA |
| Greta Taitelbaum, MD CM FRCP(C) FACG | Gastroenterology | Framingham, MA |
Practice locations
Listed practice locations in Massachusetts.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations