Ann Marie Joyce, MD
NPI 1447248042ActiveIndividual· Internal Medicine, Gastroenterology· Acton, MA
Internal Medicine, Gastroenterology (MD) with Digestive Health Specialists, P.C. and 2 other groups, practicing in Acton, Massachusetts. In 2024 Medicare paid $83,358 for 388 patients, and Part D covered 259 of their prescriptions, 84% of them generic. Olympus Medical Systems Corporation was the largest of 21 companies reporting payments in 2025, $6,410 in all, mostly consulting fees. Lists Emerson Hospital - and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1447248042 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 10, 2005 |
| Last updated in NPPES | Jun 24, 2024 |
| Certified by provider | Jun 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 208426 | MA |
| Internal Medicine | 207R00000X | 208426 | 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 | 633 across 59 procedure codes |
| Paid by Medicare | $83,358 |
Part D prescriptions in 2024
| Prescriptions (claims) | 259 · 401 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $24,857 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Digestive Health Specialists, P.C.Chelmsford, MA · 13 clinicians
- Gastroenterology Healthcare Associates PCNewton, MA · 11 clinicians
- Middlesex Gastroenterolgy PCActon, MA · 11 clinicians
Hospital affiliations
- Emerson Hospital -W Concord, MA
- Lowell General HospitalLowell, MA
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
- 2025$6,410 · 89 payments from 21 companies
- 2024$4,699 · 72 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Medical Systems Corporation | $3,565 | 2 |
| Gyrus Acmi, Inc. | $500.00 | 1 |
| Abbvie Inc. | $488.45 | 25 |
| Gilead Sciences, Inc. | $272.88 | 10 |
| Janssen Biotech, Inc. | $230.32 | 5 |
What the 2025 payments were for
- Consulting Fee$4,065 · 3 payments
- Food and Beverage$2,345 · 86 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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