Isabel Perry Warren, PA
NPI 1154182228ActiveIndividual· Physician Assistant· Chattanooga, TN
Physician Assistant (PA) with Galen Medical Group, PC, practicing in Chattanooga, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $69,555 for 149 claims, against $18,211 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,989 in all, mostly food and beverage.
Overview
| NPI | 1154182228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jan 17, 2024 |
| Last updated in NPPES | Feb 12, 2024 |
| Certified by provider | Feb 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5844 | 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 | 97 |
|---|---|
| Services billed | 420 across 37 procedure codes |
| Paid by Medicare | $18,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 149 · 188 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $69,555 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Galen Medical Group, PCChattanooga, TN · 125 clinicians
Industry payments (Open Payments)
- 2025$1,989 · 87 payments from 17 companies
- 2024$1,326 · 59 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $380.49 | 12 |
| Novartis Pharmaceuticals Corporation | $309.14 | 18 |
| Janssen Biotech, Inc. | $226.07 | 10 |
| Regeneron Healthcare Solutions, Inc. | $204.87 | 7 |
| Sun Pharmaceutical Industries Inc. | $140.90 | 7 |
What the 2025 payments were for
- Food and Beverage$1,989 · 87 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 150 physician assistants in Chattanooga · All physician assistants in Tennessee