Ephraim B. Gammada, MD, INTERNAL MEDICIN
NPI 1174501027ActiveIndividual· Internal Medicine· Winchester, TN
Internal Medicine (MD, INTERNAL MEDICIN) in Winchester, Tennessee, licensed in TN, with an NPI issued in January 2006. Their prescriptions cost Medicare Part D more than their services did: $2,654,126 for 24,980 claims, against $526,510 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,893 in all, mostly food and beverage. Lists Southern Tennessee Regional Health System Winchest and 1 other hospital as hospital affiliations.
Overview
| NPI | 1174501027 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, INTERNAL MEDICIN |
| Sole proprietor | No |
| NPI issued | Jan 2, 2006 |
| Last updated in NPPES | Jun 24, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD0000026560 | 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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 466 |
|---|---|
| Services billed | 9,574 across 127 procedure codes |
| Paid by Medicare | $526,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24,980 · 43,848 30-day fills |
|---|---|
| Patients | 833 |
| Total drug cost | $2,654,126 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Southern Tennessee Regional Health System WinchestWinchester, TN
- Vanderbilt Tullahoma-Harton HospitalTullahoma, TN
Other facilities
- Amedisys Home CareHome health agency · Winchester, TN
- Enhabit Home HealthHome health agency · Winchester, TN
- Homefirst Home HealthcareHome health agency · Mc Minnville, TN
- Amedisys Hospice, An Adventa CompanyHospice · Chattanooga, TN
Industry payments (Open Payments)
- 2025$1,893 · 82 payments from 16 companies
- 2024$2,568 · 92 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $417.51 | 11 |
| Astrazeneca Pharmaceuticals LP | $262.20 | 19 |
| Bayer Healthcare Pharmaceuticals Inc. | $181.72 | 4 |
| Merck Sharp & Dohme LLC | $175.77 | 7 |
| Lilly USA, LLC | $140.04 | 10 |
What the 2025 payments were for
- Food and Beverage$1,850 · 80 payments
- Education$43.12 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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