Matthew D. Ammerman, MD
NPI 1871764258ActiveIndividual· Neurological Surgery· Washington, DC
Neurological Surgery (MD) in Washington, District of Columbia, trained at George Washington University School of Medicine (class of 2002). 267 Medicare patients in 2024, $72,397 paid; nearly all of their 192 Part D prescriptions were generic (98%). Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $121.85 in all, mostly food and beverage.
Overview
| NPI | 1871764258 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 13, 2008 |
| Last updated in NPPES | Sep 27, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | MD036651 | DC |
| Neurological Surgery | 207T00000X | 43435 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 267 |
|---|---|
| Services billed | 509 across 39 procedure codes |
| Paid by Medicare | $72,397 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 209 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $3,219 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Neurosurgery |
Medical group
- Washington Neurosurgical Associates, P. C.Washington, DC · 3 clinicians
Hospital affiliation
- Sibley Memorial HospitalWashington, DC
Industry payments (Open Payments)
- 2025$121.85 · 3 payments from 3 companies
- 2024$20,800 · 21 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $69.20 | 1 |
| Merck Sharp & Dohme LLC | $27.70 | 1 |
| Abbvie Inc. | $24.95 | 1 |
What the 2025 payments were for
- Food and Beverage$121.85 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Neurological Surgery providers in Washington
- 1407870124
- 1972614626
- 1023576691
- 1043361124
- 1750371449
- 1457328155
- 1467535815
- 1154902864
- 1457328783
- 1861072191
- 1144228933
- 1043479629
All Neurological Surgery providers in District of Columbia →