Joseph K. Jamaris, M.D.
NPI 1043285653ActiveIndividual· Neurological Surgery· Columbia, MD
Neurological Surgery (M.D.) in Columbia, Maryland, trained at University of Maryland School of Medicine (class of 1972). 88 Medicare patients in 2024, $20,866 paid; nearly all of their 222 Part D prescriptions were generic (99%).
Overview
| NPI | 1043285653 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 18, 2006 |
| Last updated in NPPES | Sep 16, 2025 |
| Certified by provider | Sep 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | D14806 | MD |
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 - Neurosurgery (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 162 across 10 procedure codes |
| Paid by Medicare | $20,866 |
Part D prescriptions in 2024
| Prescriptions (claims) | 222 · 326 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $2,973 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Neurological Surgery providers in Columbia
- 1437328531
- 1679754360
- 1568270999
- 1639119035
- 1821941204
- 1023016334