John G. Antonakakis, MD
NPI 1386851244ActiveIndividual· Anesthesiology· Charlottesville, VA
Anesthesiology (MD) in Charlottesville, Virginia, trained at University of Vermont College of Medicine (class of 2003). Medicare paid $29,838 for services to 149 patients in 2024. Vertex Pharmaceuticals Incorporated reported $19.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1386851244 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | Oct 10, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 0101242954 | VA |
| Student in an Organized Health Care Education/Training Program | 390200000X | 116015815 | VA |
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 - Anesthesiology (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 149 |
|---|---|
| Services billed | 213 across 40 procedure codes |
| Paid by Medicare | $29,838 |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Anesthesiology |
Medical groups
- Portsmouth Anesthesia Associates PAPortsmouth, NH · 40 clinicians
- Stratham Anesthesia Associates PLLCSalem, NH · 25 clinicians
Hospital affiliation
- Portsmouth Regional HospitalPortsmouth, NH
Industry payments (Open Payments)
- 2025$19.70 · 1 payment from 1 company
- 2024$40.43 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $19.70 | 1 |
What the 2025 payments were for
- Food and Beverage$19.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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