Mark A. Lamos, M.D.
NPI 1295782241ActiveIndividual· Internal Medicine· Hunt Valley, MD
Internal Medicine (M.D.) in Hunt Valley, Maryland, licensed in MD, with an NPI issued in May 2006. 273 Medicare patients in 2024, $34,209 paid; nearly all of their 847 Part D prescriptions were generic (93%).
Overview
| NPI | 1295782241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2006 |
| Last updated in NPPES | Aug 2, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D32453 | 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 (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 273 |
|---|---|
| Services billed | 608 across 38 procedure codes |
| Paid by Medicare | $34,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 847 · 1,714 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $41,392 |
| Generic share | 93% of claims |
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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