Stephen WeinsteinMD
Obstetrics & Gynecology·Walnut Creek, CA
Stephen Weinstein, MD is an Obstetrics & Gynecology provider in Walnut Creek, CA, as of July 2026.
- NPI1366556102
- Registered2006
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Stephen Weinstein at a glance
- Provider
- Stephen Weinstein
- Credential
- MD
- Specialty
- Obstetrics & Gynecology
- Procedures
- Obstetrics & Gynecology CPT codes
- Location
- Walnut Creek, CA
- NPI registered
- 2006
- NPI
- 1366556102
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Stephen Weinstein practice?
Stephen Weinstein, MD is based in Walnut Creek, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Stephen Weinstein's NPI number?
Stephen Weinstein's National Provider Identifier (NPI) is 1366556102, registered in 2006. Specialty on record: Obstetrics & Gynecology; credential MD.
How many Obstetrics & Gynecology providers in California work at ambulatory surgery centers?
544 Obstetrics & Gynecology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Stephen Weinstein among them. The California Obstetrics & Gynecology directory lists each one by city with credential, NPI, and center affiliations.
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