Joanna Lynn Walker, M.D.
NPI 1245529320ActiveIndividual· Dermatology· Providence, RI
Dermatology (M.D.) with University of Penn - Medical Group, practicing in Providence, Rhode Island. 485 Medicare patients in 2024, $368,317 paid; nearly all of their 360 Part D prescriptions were generic (92%). Janssen Biotech, Inc. was the largest of 2 companies reporting payments in 2025, $185.42 in all, mostly food and beverage. Lists Hospital of Univ of Pennsylvania as a hospital affiliation.
Overview
| NPI | 1245529320 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 29, 2011 |
| Last updated in NPPES | Jun 26, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | MD14995 | RI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Micrographic Dermatologic Surgery (Mds) (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 485 |
|---|---|
| Services billed | 3,257 across 106 procedure codes |
| Paid by Medicare | $368,317 |
Part D prescriptions in 2024
| Prescriptions (claims) | 360 · 369 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $48,452 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Micrographic Dermatologic Surgery (Mds) |
| Secondary specialties | Dermatology |
Medical group
- University of Penn - Medical GroupPhiladelphia, PA · 3,505 clinicians
Hospital affiliation
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
Other facilities
- Penn Medicine Home HealthHome health agency · Bala Cynwyd, PA
Industry payments (Open Payments)
- 2025$185.42 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $139.72 | 1 |
| Sun Pharmaceutical Industries Inc. | $45.70 | 1 |
What the 2025 payments were for
- Food and Beverage$185.42 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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