Dennis Aloysius Cullen, MD
NPI 1104988054ActiveIndividual· Internal Medicine· Oxon Hill, MD
Internal Medicine (MD) in Oxon Hill, Maryland, trained at Georgetown University School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $631,584 for 5,152 claims, against $156,775 paid for services in 2024.
Overview
| NPI | 1104988054 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 15, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0040216 | MD |
| Internal Medicine | 207R00000X | MD14432 | DC |
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 - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 490 |
|---|---|
| Services billed | 3,781 across 48 procedure codes |
| Paid by Medicare | $156,775 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,152 · 12,933 30-day fills |
|---|---|
| Patients | 518 |
| Total drug cost | $631,584 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
Medical groups
- Suburban/Nrh Medical Rehabilitation IncBethesda, MD · 941 clinicians
- Privia Care Center LLCArnold, MD · 287 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Sibley Memorial HospitalWashington, DC
Other facilities
- Amedisys Home HealthHome health agency · Washington, DC
- Amedisys Home Health CareHome health agency · Largo, 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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