Ann Willman Silk, M.D.
NPI 1477717106ActiveIndividual· Internal Medicine, Medical Oncology· Boston, MA
Internal Medicine, Medical Oncology (M.D.) in Boston, Massachusetts, trained at University of Pittsburgh School of Medicine (class of 2008). In 2024 Medicare paid $54,906 for 222 patients, and Part D covered 104 of their prescriptions, 85% of them generic. Sun Pharmaceutical Industries Inc. was the largest of 5 companies reporting payments in 2025, $56,573 in all, mostly consulting fees.
Overview
| NPI | 1477717106 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2008 |
| Last updated in NPPES | Feb 14, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 277798 | 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 - Medical Oncology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 492 across 12 procedure codes |
| Paid by Medicare | $54,906 |
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 168 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $6,434 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Dana-Farber Cancer Institute, Inc.Boston, MA · 684 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- North Shore Medical Center -Salem, MA
Industry payments (Open Payments)
- 2025$56,573 · 61 payments from 5 companies
- 2024$3,279 · 19 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $27,863 | 26 |
| Regeneron Healthcare Solutions, Inc. | $25,957 | 31 |
| Immunocore Limited | $2,400 | 1 |
| Regeneron Pharmaceuticals, Inc. | $217.80 | 2 |
| Pfizer Inc. | $135.00 | 1 |
What the 2025 payments were for
- Consulting Fee$45,836 · 12 payments
- Travel and Lodging$6,373 · 23 payments
- Honoraria$2,400 · 1 payment
- Food and Beverage$1,964 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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