John Michael Williams, MD
NPI 1457389678ActiveIndividual· Dermatology· Summit, NJ
Dermatology (MD) in Summit, New Jersey, trained at Drexel University College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,116,146 for 1,327 claims, against $387,117 paid for services in 2024. Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $210.43 in all, mostly food and beverage.
Overview
| NPI | 1457389678 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 28, 2006 |
| Last updated in NPPES | Jan 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 25MA08118400 | NJ |
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 - Dermatology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 598 |
|---|---|
| Services billed | 4,889 across 107 procedure codes |
| Paid by Medicare | $387,117 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,327 · 1,635 30-day fills |
|---|---|
| Patients | 372 |
| Total drug cost | $1,116,146 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Dermatology |
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Overlook Medical CenterSummit, NJ
Industry payments (Open Payments)
- 2025$210.43 · 12 payments from 2 companies
- 2024$101.19 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $197.26 | 11 |
| Janssen Pharmaceuticals, Inc | $13.17 | 1 |
What the 2025 payments were for
- Food and Beverage$125.26 · 10 payments
- Education$85.17 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in Summit
- 1134291214
- 1639343262
- 1104998285