John Gainey, MD
NPI 1235284738ActiveIndividual· Anesthesiology· Walnut Creek, CA
Anesthesiology (MD) in Walnut Creek, California, trained at Creighton University School of Medicine (class of 2002). Medicare paid $22,129 for services to 94 patients in 2024. McKesson Medical-Surgical, Inc. reported $17.61 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1235284738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 24, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A92606 | CA |
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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 111 across 36 procedure codes |
| Paid by Medicare | $22,129 |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Anesthesiology |
Medical group
- Premier Anesthesia of California PCPleasanton, CA · 46 clinicians
Hospital affiliation
- San Ramon Regional Medical CenterSan Ramon, CA
Industry payments (Open Payments)
- 2025$17.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| McKesson Medical-Surgical, Inc. | $17.61 | 1 |
What the 2025 payments were for
- Food and Beverage$17.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 104 anesthesiologists in Walnut Creek · All anesthesiologists in California