Alan Mark Geringer, M.D.
NPI 1114981065ActiveIndividual· Urology· Baltimore, MD
Urology (M.D.) in Baltimore, Maryland, trained at Medical College of Wisconsin (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $164,308 for 821 claims, against $68,388 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $35.06 in payments in 2025, mostly education.
Overview
| NPI | 1114981065 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2006 |
| Last updated in NPPES | Sep 3, 2025 |
| Certified by provider | Sep 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | D29143 | MD |
| Internal Medicine, Addiction Medicine | 207RA0401X | D29143 | 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); Practitioner - Urology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 270 |
|---|---|
| Services billed | 7,346 across 40 procedure codes |
| Paid by Medicare | $68,388 |
Part D prescriptions in 2024
| Prescriptions (claims) | 821 · 1,606 30-day fills |
|---|---|
| Patients | 178 |
| Total drug cost | $164,308 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$35.06 · 1 payment from 1 company
- 2024$38.98 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $35.06 | 1 |
What the 2025 payments were for
- Education$35.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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