Peter S. Filderman, MD
NPI 1245214964ActiveIndividual· Urology· Baltimore, MD
Urology (MD) in Baltimore, Maryland, trained at University of Connecticut School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $821,498 for 1,278 claims, against $402,876 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 20 companies reporting payments in 2025, $1,374 in all, mostly food and beverage.
Overview
| NPI | 1245214964 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 6, 2005 |
| Last updated in NPPES | May 27, 2025 |
| Certified by provider | May 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | D0038640 | 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 (DC); Practitioner - Urology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,327 |
|---|---|
| Services billed | 14,104 across 99 procedure codes |
| Paid by Medicare | $402,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,278 · 2,655 30-day fills |
|---|---|
| Patients | 431 |
| Total drug cost | $821,498 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Urology |
Medical group
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Hospital affiliation
- Saint Agnes HospitalBaltimore, MD
Industry payments (Open Payments)
- 2025$1,374 · 56 payments from 20 companies
- 2024$1,453 · 61 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $214.60 | 10 |
| Bayer Healthcare Pharmaceuticals Inc. | $161.42 | 6 |
| Abbvie Inc. | $157.29 | 8 |
| Immunitybio, Inc. | $135.17 | 1 |
| Novartis Pharmaceuticals Corporation | $126.67 | 4 |
What the 2025 payments were for
- Food and Beverage$1,374 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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