Fionna Felicia Feller, MD
NPI 1487142683ActiveIndividual· Internal Medicine, Infectious Disease· Nashville, TN
Internal Medicine, Infectious Disease (MD) in Nashville, Tennessee, trained at University of Arizona College of Medicine - Phoenix (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $122,390 for 159 claims, against $36,170 paid for services in 2024. Genzyme Corporation was the largest of 2 companies reporting payments in 2025, $184.57 in all, mostly food and beverage.
Overview
| NPI | 1487142683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 24, 2018 |
| Last updated in NPPES | Jul 31, 2023 |
| Certified by provider | Jul 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 68266 | TN |
| Internal Medicine | 207R00000X | R76674 | AZ |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Infectious Disease (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 452 across 14 procedure codes |
| Paid by Medicare | $36,170 |
Part D prescriptions in 2024
| Prescriptions (claims) | 159 · 174 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $122,390 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine - Phoenix |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Vanderbilt University Medical CenterNashville, TN · 3,567 clinicians
Hospital affiliation
- Vanderbilt University Medical CenterNashville, TN
Industry payments (Open Payments)
- 2025$184.57 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $138.15 | 1 |
| Merck Sharp & Dohme LLC | $46.42 | 1 |
What the 2025 payments were for
- Food and Beverage$184.57 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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