Andrew N. Umhau, M.D.
NPI 1336161645ActiveIndividual· Internal Medicine· Washington, DC
Internal Medicine (M.D.) in Washington, District of Columbia, trained at Duke University School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $300,344 for 4,023 claims, against $112,591 paid for services in 2024.
Overview
| NPI | 1336161645 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD17790 | DC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 5,265 across 56 procedure codes |
| Paid by Medicare | $112,591 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,023 · 9,032 30-day fills |
|---|---|
| Patients | 358 |
| Total drug cost | $300,344 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
Medical groups
- Suburban/Nrh Medical Rehabilitation IncBethesda, MD · 941 clinicians
- Foxhall Internists,pcWashington, DC · 8 clinicians
Hospital affiliations
- Sibley Memorial HospitalWashington, DC
- Suburban HospitalBethesda, MD
Other facilities
- Amedisys Home HealthHome health agency · Washington, DC
- Potomac Home Health CareHome health agency · Bethesda, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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