Tara Janen Mahan, PA
NPI 1033496476ActiveIndividual· Physician Assistant· Largo, MD
Physician Assistant (PA) with Chesapeake Urology Associates LLC, practicing in Largo, Maryland. 178 Medicare patients in 2024, $34,579 paid; nearly all of their 61 Part D prescriptions were generic (97%). Immunitybio, Inc. was the largest of 15 companies reporting payments in 2025, $857.37 in all, mostly food and beverage. Lists Medstar Southern Maryland Hospital Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1033496476 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Nov 14, 2011 |
| Last updated in NPPES | May 30, 2025 |
| Certified by provider | May 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | C04638 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (DC); Practitioner - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 178 |
|---|---|
| Services billed | 390 across 19 procedure codes |
| Paid by Medicare | $34,579 |
Part D prescriptions in 2024
| Prescriptions (claims) | 61 · 61 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $317.24 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Hospital affiliations
- Medstar Southern Maryland Hospital CenterClinton, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
Industry payments (Open Payments)
- 2025$857.37 · 22 payments from 15 companies
- 2024$995.82 · 24 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Immunitybio, Inc. | $135.17 | 1 |
| Janssen Biotech, Inc. | $129.15 | 1 |
| Tempus Ai, Inc | $91.46 | 1 |
| Abbvie Inc. | $85.04 | 3 |
| Pfizer Inc. | $79.94 | 3 |
What the 2025 payments were for
- Food and Beverage$857.37 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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