Ernesto Tan Salas, M.D.
NPI 1841380565ActiveIndividual· Internal Medicine· Murrieta, CA
Internal Medicine (M.D.) in Murrieta, California, trained at Texas Tech University Health Science Center School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $156,907 for 2,320 claims, against $33,394 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2024, $36.58 in all, mostly food and beverage.
Overview
| NPI | 1841380565 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Feb 9, 2026 |
| Certified by provider | Feb 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A053434 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 346 across 21 procedure codes |
| Paid by Medicare | $33,394 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,320 · 5,848 30-day fills |
|---|---|
| Patients | 256 |
| Total drug cost | $156,907 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Other facilities
- Aspire Healthcare ServicesHome health agency · Upland, CA
Industry payments (Open Payments)
- 2024$36.58 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $19.43 | 1 |
| Astrazeneca Pharmaceuticals LP | $17.15 | 1 |
What the 2024 payments were for
- Food and Beverage$36.58 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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