Carolyn Agnes Hammett, MD
NPI 1154331908ActiveIndividual· Internal Medicine· Hyattsville, MD
Internal Medicine (MD) in Hyattsville, Maryland, trained at University of Maryland School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $319,257 for 4,626 claims, against $110,880 paid for services in 2024.
Overview
| NPI | 1154331908 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Jun 12, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0039966 | 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 - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 443 |
|---|---|
| Services billed | 1,716 across 39 procedure codes |
| Paid by Medicare | $110,880 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,626 · 12,117 30-day fills |
|---|---|
| Patients | 563 |
| Total drug cost | $319,257 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
- The Johns Hopkins Home Health Services, IncHome health agency · Baltimore, 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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All 26 internal medicine physicians in Hyattsville · All internal medicine physicians in Maryland