Quick answers
- Where does Steven J. Weinstein see patients?
- Medicare's clinician data lists 2 practice locations, including Irvine, CA and El Segundo, CA. Call before your visit to confirm the address.
- What is Steven J. Weinstein's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Steven J. Weinstein accept Medicare assignment?
- Yes. Medicare's clinician data says Steven J. Weinstein 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 Steven J. Weinstein?
- (949) 854-9500, as listed in official Medicare / NPI Registry data.
- What is Steven J. Weinstein's NPI number?
- 1306905971. 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 Steven J. Weinstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 19191 Harvard AveIrvine, CA 92612 (949) 854‑9500
- 222 N Pacific Coast Hwy, Suite 1420El Segundo, CA 90245 (877) 878‑3289
Group practices
Medicare enrollment lists Steven J. Weinstein as a member of this group (CMS data updated 2026-10-02).
- Robert Marriott Medical Corp64 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306905971 |
| 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