Marco A. Aleman, MD
NPI 1275558520ActiveIndividual· Internal Medicine· Chapel Hill, NC
Internal Medicine (MD) in Chapel Hill, North Carolina, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $298,851 for 2,614 claims, against $29,359 paid for services in 2024. Merck Sharp & Dohme LLC reported $25.70 in payments in 2025, mostly education.
Overview
| NPI | 1275558520 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 9700839 | NC |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 527 across 42 procedure codes |
| Paid by Medicare | $29,359 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,614 · 6,208 30-day fills |
|---|---|
| Patients | 178 |
| Total drug cost | $298,851 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Internal Medicine |
Medical group
- University of North Carolina at Chapel HillChapel Hill, NC · 2,052 clinicians
Hospital affiliation
- Unc HospitalsChapel Hill, NC
Industry payments (Open Payments)
- 2025$25.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $25.70 | 1 |
What the 2025 payments were for
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 235 internal medicine physicians in Chapel Hill · All internal medicine physicians in North Carolina