George J. Mamo, M.D.
NPI 1588716641ActiveIndividual· Urology· Baltimore, MD
Urology (M.D.) with Chesapeake Urology Associates LLC, practicing in Baltimore, Maryland. Their prescriptions cost Medicare Part D more than their services did: $303,305 for 1,027 claims, against $192,354 paid for services in 2024. Immunitybio, Inc. was the largest of 6 companies reporting payments in 2025, $235.02 in all, mostly food and beverage.
Overview
| NPI | 1588716641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2007 |
| Last updated in NPPES | Mar 12, 2025 |
| Certified by provider | Mar 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | D0036523 | 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 | 549 |
|---|---|
| Services billed | 3,636 across 61 procedure codes |
| Paid by Medicare | $192,354 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,027 · 2,043 30-day fills |
|---|---|
| Patients | 321 |
| Total drug cost | $303,305 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Urology |
Medical group
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Industry payments (Open Payments)
- 2025$235.02 · 6 payments from 6 companies
- 2024$869.20 · 38 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Immunitybio, Inc. | $135.17 | 1 |
| Astrazeneca Pharmaceuticals LP | $23.32 | 1 |
| Ferring Pharmaceuticals Inc. | $20.16 | 1 |
| Vertex Pharmaceuticals Incorporated | $20.11 | 1 |
| Endo USA, Inc. | $18.53 | 1 |
What the 2025 payments were for
- Food and Beverage$235.02 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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