Philip Wisotsky, MD
NPI 1508862509ActiveIndividual· Internal Medicine· Waldorf, MD
Internal Medicine (MD) with Geriatric Multispecialty Associates, practicing in Waldorf, Maryland. Their prescriptions cost Medicare Part D more than their services did: $751,153 for 7,154 claims, against $279,508 paid for services in 2024. Lundbeck LLC was the largest of 18 companies reporting payments in 2025, $808.57 in all, mostly food and beverage. Lists Medstar Saint Mary's Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1508862509 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2005 |
| Last updated in NPPES | Nov 19, 2021 |
| Certified by provider | Nov 19, 2021 |
| Reactivated | Mar 31, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D18545 | MD |
| Internal Medicine, Geriatric Medicine | 207RG0300X | D18545 | MD |
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 - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 531 |
|---|---|
| Services billed | 3,751 across 37 procedure codes |
| Paid by Medicare | $279,508 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,154 · 17,300 30-day fills |
|---|---|
| Patients | 593 |
| Total drug cost | $751,153 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Medical group
- Geriatric Multispecialty AssociatesWaldorf, MD · 2 clinicians
Hospital affiliations
- Medstar Saint Mary's HospitalLeonardtown, MD
- University of MD Charles Regional Medical CenterLa Plata, MD
Other facilities
- Amedisys Home Health CareHome health agency · Largo, MD
- Chesapeake - Potomac Home Health Agency, Inc.Home health agency · Hughesville, MD
- HomecallHome health agency · Easton, MD
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$808.57 · 35 payments from 18 companies
- 2024$984.31 · 48 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $112.60 | 5 |
| Lilly USA, LLC | $91.05 | 4 |
| Medtronic, Inc. | $77.11 | 1 |
| Novo Nordisk Inc | $75.55 | 3 |
| Exact Sciences Corporation | $62.79 | 3 |
What the 2025 payments were for
- Food and Beverage$808.57 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Waldorf
- 1023125218
- 1073723987
- 1164415832
- 1225092968
- 1285682757
- 1306910716
- 1407911555
- 1467641183
- 1508068057
- 1629031745
- 1629047709
- 1811970056
All 51 internal medicine physicians in Waldorf · All internal medicine physicians in Maryland