Peter E. Krims, M.D.
NPI 1962400366ActiveIndividual· Internal Medicine, Gastroenterology· Acton, MA
Internal Medicine, Gastroenterology (M.D.) in Acton, Massachusetts, trained at Boston University School of Medicine (class of 1982). In 2024 Medicare paid $171,791 for 388 patients, and Part D covered 519 of their prescriptions, 85% of them generic. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $2,283 in all, mostly food and beverage.
Overview
| NPI | 1962400366 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 9, 2005 |
| Last updated in NPPES | Aug 15, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 52553 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 388 |
|---|---|
| Services billed | 5,533 across 36 procedure codes |
| Paid by Medicare | $171,791 |
Part D prescriptions in 2024
| Prescriptions (claims) | 519 · 942 30-day fills |
|---|---|
| Patients | 214 |
| Total drug cost | $81,841 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Gastroenterology |
Medical group
- Middlesex Gastroenterolgy PCActon, MA · 11 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$2,283 · 97 payments from 18 companies
- 2024$2,404 · 94 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $413.81 | 21 |
| Gilead Sciences, Inc. | $299.32 | 11 |
| Madrigal Pharmaceuticals | $265.15 | 7 |
| Janssen Biotech, Inc. | $245.51 | 6 |
| Takeda Pharmaceuticals U.S.A., Inc. | $149.60 | 9 |
What the 2025 payments were for
- Food and Beverage$2,283 · 97 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in Massachusetts →