Michael A. Esparza, MD
NPI 1295149540ActiveIndividual· Surgery, Trauma Surgery· Walnut Creek, CA
Surgery, Trauma Surgery (MD) with John Muir Trauma Physicians Billing Service, practicing in Walnut Creek, California. Medicare paid $66,348 for services to 208 patients in 2024. Teleflex LLC was the largest of 2 companies reporting payments in 2025, $209.80 in all, mostly food and beverage. Lists Bitterroot Health - Daly Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1295149540 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 15, 2014 |
| Last updated in NPPES | Sep 5, 2024 |
| Certified by provider | Sep 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Trauma Surgery Primary | 2086S0127X | A138859 | CA |
| Surgery, Surgical Critical Care | 2086S0102X | A138859 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 208 |
|---|---|
| Services billed | 469 across 48 procedure codes |
| Paid by Medicare | $66,348 |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA · 113 clinicians
Hospital affiliations
- Bitterroot Health - Daly HospitalHamilton, MT
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$209.80 · 3 payments from 2 companies
- 2024$72.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teleflex LLC | $176.64 | 1 |
| Octapharma USA, Inc. | $33.16 | 2 |
What the 2025 payments were for
- Food and Beverage$209.80 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Trauma Surgery providers in Walnut Creek
- 1962551861
- 1275364283
- 1417568916