John Hovsep Mahdessian, PA
NPI 1639019581ActiveIndividual· Physician Assistant, Surgical· Johnson City, TN
Physician Assistant, Surgical (PA) in Johnson City, Tennessee, licensed in TN, with an NPI issued in March 2026. Enrolled in Medicare as practitioner - physician assistant.
Overview
| NPI | 1639019581 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Mar 31, 2026 |
| Last updated in NPPES | Sep 9, 2026 |
| Certified by provider | Sep 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 7228 | TN |
| Physician Assistant | 363A00000X | 7228 | TN |
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 - Physician Assistant (TN) |
|---|
Education and affiliations
| Graduation year | 2026 |
|---|---|
| Medicare specialty | Physician Assistant |
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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