Ann Downs Herron, MD
NPI 1336533710ActiveIndividual· Internal Medicine, Nephrology· Murfreesboro, TN
Internal Medicine, Nephrology (MD) with Southern Kidney Specialists PLC, practicing in Murfreesboro, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $187,954 for 1,056 claims, against $88,077 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $30.28 in all, mostly food and beverage. Lists Ascension Saint Thomas Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336533710 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 24, 2015 |
| Last updated in NPPES | Sep 12, 2024 |
| Certified by provider | Sep 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 61280 | 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 - Nephrology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 400 |
|---|---|
| Services billed | 985 across 17 procedure codes |
| Paid by Medicare | $88,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,056 · 2,465 30-day fills |
|---|---|
| Patients | 215 |
| Total drug cost | $187,954 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Southern Kidney Specialists PLCMcMinnville, TN · 10 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Tristar Centennial Medical CenterNashville, TN
- Tristar Summit Medical CenterHermitage, TN
- Williamson Medical CenterFranklin, TN
Other facilities
- Davita Murfreesboro DialysisDialysis facility · Murfreesboro, TN
- Davita Smyrna DialysisDialysis facility · Smyrna, TN
Industry payments (Open Payments)
- 2025$30.28 · 2 payments from 2 companies
- 2024$8.54 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $26.13 | 1 |
| Travere Therapeutics, Inc. | $4.15 | 1 |
What the 2025 payments were for
- Food and Beverage$26.13 · 1 payment
- Education$4.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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