Cory Callahan, PA-C
NPI 1932647112ActiveIndividual· Physician Assistant, Surgical· Johnson City, TN
Physician Assistant, Surgical (PA-C) with Wellmont Medical Associates Inc, practicing in Johnson City, Tennessee. Mostly services rather than prescriptions: Medicare paid $8,350 for 87 patients in 2024, with only 44 Part D claims. Bioventus LLC was the largest of 2 companies reporting payments in 2025, $56.60 in all, mostly food and beverage. Lists Johnson City Medical Center as a hospital affiliation.
Overview
| NPI | 1932647112 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 7, 2017 |
| Last updated in NPPES | Feb 27, 2024 |
| Certified by provider | Feb 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 5089 | TN |
| Physician Assistant | 363A00000X | PA1675 | ME |
| Physician Assistant | 363A00000X | 5089 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 209 across 40 procedure codes |
| Paid by Medicare | $8,350 |
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 44 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $904.50 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Wellmont Medical Associates IncKingsport, TN · 433 clinicians
Hospital affiliation
- Johnson City Medical CenterJohnson City, TN
Industry payments (Open Payments)
- 2025$56.60 · 3 payments from 2 companies
- 2024$17.75 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bioventus LLC | $35.40 | 2 |
| Ossur Americas, Inc. | $21.20 | 1 |
What the 2025 payments were for
- Food and Beverage$56.60 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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