Edgar Diaz, M.D.
NPI 1598912701ActiveIndividual· Internal Medicine· Knoxville, TN
Internal Medicine (M.D.) in Knoxville, Tennessee, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2006). In 2024 Medicare paid $65,447 for 314 patients, and Part D covered 680 of their prescriptions, 87% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $82.24 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1598912701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 20, 2008 |
| Last updated in NPPES | Aug 20, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | NOT YET GIVEN | 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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 314 |
|---|---|
| Services billed | 775 across 9 procedure codes |
| Paid by Medicare | $65,447 |
Part D prescriptions in 2024
| Prescriptions (claims) | 680 · 706 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $28,466 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Internal Medicine |
Medical group
- Hospital Medicine Services of Tennessee PCNashville, TN · 162 clinicians
Hospital affiliations
- Cumberland Medical CenterCrossville, TN
- Fort Loudoun Medical CenterLenoir City, TN
- Methodist Medical Center of Oak RidgeOak Ridge, TN
- Roane Medical CenterHarriman, TN
Other facilities
- Covenant HomecareHome health agency · Knoxville, TN
Industry payments (Open Payments)
- 2025$82.24 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $82.24 | 1 |
What the 2025 payments were for
- Food and Beverage$82.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 287 internal medicine physicians in Knoxville · All internal medicine physicians in Tennessee