Diana M. Alvarez, M.D.
NPI 1285096099ActiveIndividual· Internal Medicine, Cardiovascular Disease· Chattanooga, TN
Internal Medicine, Cardiovascular Disease (M.D.) with Erlanger Health, practicing in Chattanooga, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $647,438 for 2,792 claims, against $68,119 paid for services in 2024. Boston Scientific Corporation was the largest of 8 companies reporting payments in 2025, $496.95 in all, mostly food and beverage. Lists Erlanger Bledsoe Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1285096099 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 22, 2016 |
| Last updated in NPPES | Dec 25, 2022 |
| Certified by provider | Dec 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 65357 | 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 - Cardiovascular Disease (Cardiology) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 548 |
|---|---|
| Services billed | 1,140 across 32 procedure codes |
| Paid by Medicare | $68,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,792 · 6,492 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $647,438 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Erlanger HealthChattanooga, TN · 507 clinicians
Hospital affiliations
- Erlanger Bledsoe HospitalPikeville, TN
- Erlanger Medical CenterChattanooga, TN
- Memorial Healthcare System, IncChattanooga, TN
Industry payments (Open Payments)
- 2025$496.95 · 20 payments from 8 companies
- 2024$583.77 · 19 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $168.09 | 5 |
| Novartis Pharmaceuticals Corporation | $142.94 | 8 |
| Medtronic, Inc. | $57.24 | 1 |
| Cvrx, Inc. | $37.28 | 1 |
| E.R. Squibb & Sons, L.L.C. | $31.52 | 2 |
What the 2025 payments were for
- Food and Beverage$496.95 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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