Jennifer Chancey Unger, PA-C
NPI 1003405812ActiveIndividual· Physician Assistant· Knoxville, TN
Physician Assistant (PA-C) with Gastrointestinal Associates PC, practicing in Knoxville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $446,973 for 658 claims, against $20,423 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $3,472 in all, mostly food and beverage. Lists Blount Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1003405812 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 15, 2021 |
| Last updated in NPPES | Mar 24, 2026 |
| Certified by provider | Mar 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 4461 | 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 - Physician Assistant (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 180 |
|---|---|
| Services billed | 335 across 5 procedure codes |
| Paid by Medicare | $20,423 |
Part D prescriptions in 2024
| Prescriptions (claims) | 658 · 1,544 30-day fills |
|---|---|
| Patients | 209 |
| Total drug cost | $446,973 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Gastrointestinal Associates PCKnoxville, TN · 33 clinicians
Hospital affiliation
- Blount Memorial HospitalMaryville, TN
Industry payments (Open Payments)
- 2025$3,472 · 167 payments from 16 companies
- 2024$3,043 · 174 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $985.27 | 56 |
| Janssen Biotech, Inc. | $506.43 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $375.26 | 23 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $244.36 | 21 |
| Aimmune Therapeutics, Inc. | $240.86 | 11 |
What the 2025 payments were for
- Food and Beverage$3,388 · 166 payments
- Education$84.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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