Persis Oneeka Williams, M.D.
NPI 1396742359ActiveIndividual· Urology· Brighton, MA
Urology (M.D.) in Brighton, Massachusetts, trained at Harvard Medical School (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $175,221 for 851 claims, against $56,053 paid for services in 2024. Urogen Pharma, Inc. was the largest of 3 companies reporting payments in 2025, $61.73 in all, mostly food and beverage.
Overview
| NPI | 1396742359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2005 |
| Last updated in NPPES | Jul 30, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 81022 | MA |
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 - Urology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 381 |
|---|---|
| Services billed | 808 across 42 procedure codes |
| Paid by Medicare | $56,053 |
Part D prescriptions in 2024
| Prescriptions (claims) | 851 · 1,373 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $175,221 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Urology |
Medical group
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$61.73 · 3 payments from 3 companies
- 2024$87.39 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Urogen Pharma, Inc. | $29.66 | 1 |
| Cook Medical LLC | $17.17 | 1 |
| Medtronic, Inc. | $14.90 | 1 |
What the 2025 payments were for
- Food and Beverage$61.73 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 urologists in Brighton · All urologists in Massachusetts