John Albert Ehrenfried, M.D.
NPI 1841369402ActiveIndividual· Surgery· Kingsport, TN
Surgery (M.D.) in Kingsport, Tennessee, licensed in TN, with an NPI issued in November 2006. 152 Medicare patients in 2024, $62,239 paid; all of their 190 Part D prescriptions were generic. Elucent Medical reported $31.09 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1841369402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 7, 2006 |
| Last updated in NPPES | Aug 27, 2024 |
| Certified by provider | Aug 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | MD34462 | 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 - General Surgery (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 393 across 38 procedure codes |
| Paid by Medicare | $62,239 |
Part D prescriptions in 2024
| Prescriptions (claims) | 190 · 190 30-day fills |
|---|---|
| Patients | 134 |
| Total drug cost | $874.31 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$31.09 · 1 payment from 1 company
- 2024$169.51 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Elucent Medical | $31.09 | 1 |
What the 2025 payments were for
- Food and Beverage$31.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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