David S. Stampfer, MD
NPI 1093799710ActiveIndividual· Urology· Towson, MD
Urology (MD) in Towson, Maryland, trained at Perelman School of Med at the University of Pennsylvania (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $1,004,077 for 2,349 claims, against $316,804 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 20 companies reporting payments in 2025, $1,790 in all, mostly food and beverage.
Overview
| NPI | 1093799710 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 6, 2005 |
| Last updated in NPPES | May 24, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | D0053278 | 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 - Urology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,035 |
|---|---|
| Services billed | 13,224 across 84 procedure codes |
| Paid by Medicare | $316,804 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,349 · 5,244 30-day fills |
|---|---|
| Patients | 601 |
| Total drug cost | $1,004,077 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Hospital affiliations
- Greater Baltimore Medical CenterBaltimore, MD
- Johns Hopkins Hospital, theBaltimore, MD
- University of MD St Joseph Medical CenterTowson, MD
- Upmc HanoverHanover, PA
Industry payments (Open Payments)
- 2025$1,790 · 81 payments from 20 companies
- 2024$1,993 · 78 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $434.75 | 26 |
| Janssen Biotech, Inc. | $278.53 | 13 |
| Bayer Healthcare Pharmaceuticals Inc. | $207.24 | 10 |
| Immunitybio, Inc. | $135.17 | 1 |
| Astellas Pharma US Inc | $98.28 | 3 |
What the 2025 payments were for
- Food and Beverage$1,755 · 80 payments
- Education$35.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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