Greta Taitelbaum, MD CM FRCP(C) FACG
NPI 1649246273ActiveIndividual· Internal Medicine, Gastroenterology· Framingham, MA
Internal Medicine, Gastroenterology (MD CM FRCP(C) FACG) with Gbgastro LLC and 1 other group, practicing in Framingham, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $482,851 for 827 claims, against $110,414 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $155.58 in all, mostly food and beverage. Lists Metrowest Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1649246273 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD CM FRCP(C) FACG |
| Sole proprietor | No |
| NPI issued | Feb 24, 2006 |
| Last updated in NPPES | Dec 29, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 78117 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 690 |
|---|---|
| Services billed | 1,550 across 41 procedure codes |
| Paid by Medicare | $110,414 |
Part D prescriptions in 2024
| Prescriptions (claims) | 827 · 1,753 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $482,851 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Gbgastro LLCFramingham, MA · 20 clinicians
- Greater Boston GastroenterologyFramingham, MA · 20 clinicians
Hospital affiliations
- Metrowest Medical CenterFramingham, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$155.58 · 2 payments from 2 companies
- 2024$355.95 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $133.35 | 1 |
| Gilead Sciences, Inc. | $22.23 | 1 |
What the 2025 payments were for
- Food and Beverage$155.58 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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