Katherine S. Williams, MD
NPI 1154385979ActiveIndividual· Family Medicine· Providence, RI
Family Medicine (MD) in Providence, Rhode Island, trained at Perelman School of Med at the University of Pennsylvania (class of 1997). Part D covered 63 prescriptions written in 2024, 79% of them generic. Exact Sciences Corporation reported $17.13 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1154385979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 17, 2006 |
| Last updated in NPPES | Apr 26, 2021 |
| Certified by provider | Apr 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD10394 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (RI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 63 · 78 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $1,983 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
Medical group
- The Providence Community Health Centers Inc.Providence, RI · 92 clinicians
Industry payments (Open Payments)
- 2025$17.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $17.13 | 1 |
What the 2025 payments were for
- Food and Beverage$17.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 family medicine physicians in Providence · All family medicine physicians in Rhode Island