Aaron Mark Sanchez Acosta, DO
NPI 1538789987ActiveIndividual· Emergency Medicine· Walnut Creek, CA
Emergency Medicine (DO) in Walnut Creek, California, trained at Michigan State University College of Osteopathic Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $5,796 for 308 claims, against $2,119 paid for services in 2024.
Overview
| NPI | 1538789987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 24, 2020 |
| Last updated in NPPES | Aug 18, 2023 |
| Certified by provider | Aug 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A21247 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 24 across 6 procedure codes |
| Paid by Medicare | $2,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 308 · 329 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $5,796 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Emergency Medicine |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliations
- Kaiser Foundation Hospital - AntiochAntioch, CA
- Kaiser Foundation Hospital - Walnut CreekWalnut Creek, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Emergency Medicine providers in Walnut Creek
- 1407886138
- 1811491194
- 1427435023
- 1699882589
- 1053041228
- 1770554693
- 1487680393
- 1164445615
- 1902080500
- 1710908983
- 1083147417
- 1356395453