Olivia Callahan, PA-C
NPI 1134602352ActiveIndividual· Physician Assistant· Alcoa, TN
Physician Assistant (PA-C) with Blount Memorial Physician Group Inc, practicing in Alcoa, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $397,979 for 4,300 claims, against $30,712 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,097 in all, mostly food and beverage. Lists Blount Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1134602352 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 13, 2018 |
| Last updated in NPPES | Oct 24, 2025 |
| Certified by provider | Oct 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 3699 | 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 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 - Physician Assistant (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 237 |
|---|---|
| Services billed | 648 across 29 procedure codes |
| Paid by Medicare | $30,712 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,300 · 9,780 30-day fills |
|---|---|
| Patients | 621 |
| Total drug cost | $397,979 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Blount Memorial Physician Group IncAlcoa, TN · 252 clinicians
Hospital affiliation
- Blount Memorial HospitalMaryville, TN
Other facilities
- Prisma Home Health ServicesHome health agency · Maryville, TN
Industry payments (Open Payments)
- 2025$1,097 · 60 payments from 17 companies
- 2024$850.11 · 48 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $248.06 | 15 |
| Novo Nordisk Inc | $222.38 | 13 |
| Lilly USA, LLC | $101.70 | 6 |
| Astellas Pharma US Inc | $73.72 | 3 |
| Abbvie Inc. | $70.86 | 4 |
What the 2025 payments were for
- Food and Beverage$1,097 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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