Quick answers
- Where does Stuart J. Gourlay see patients?
- Medicare's clinician data lists 2 practice locations, including Mentone, CA and Sebastopol, CA. Call before your visit to confirm the address.
- What is Stuart J. Gourlay's specialty?
- Medicare lists General Surgery as the primary specialty, and also Colorectal Surgery (Proctology).
- Does Stuart J. Gourlay accept Medicare assignment?
- Yes. Medicare's clinician data says Stuart J. Gourlay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Stuart J. Gourlay?
- (909) 794-1189, as listed in official Medicare / NPI Registry data.
- What is Stuart J. Gourlay's NPI number?
- 1346374378. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stuart J. Gourlay is enrolled with Medicare (CMS data updated 2026-10-02).
- 2278 Nice AveMentone, CA 92359 (909) 794‑1189
- 501 Petaluma AveSebastopol, CA 95472 (707) 823‑8511
Group practices
Medicare enrollment lists Stuart J. Gourlay as a member of this group (CMS data updated 2026-10-02).
- Robert Marriott Medical Corp64 clinicians in the group
Specialties
Other general surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1967 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346374378 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians