Erika SimpsonM.D.
Obstetrics & Gynecology·Oakland, CA
Erika Simpson, M.D. is an Obstetrics & Gynecology provider in Oakland, CA, as of July 2026.
- NPI1558659847
- Registered2011
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Erika Simpson at a glance
- Provider
- Erika Simpson
- Credential
- M.D.
- Specialty
- Obstetrics & Gynecology
- Procedures
- Obstetrics & Gynecology CPT codes
- Location
- Oakland, CA
- NPI registered
- 2011
- NPI
- 1558659847
- 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 Erika Simpson practice?
Erika Simpson, M.D. is based in Oakland, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Erika Simpson's NPI number?
Erika Simpson's National Provider Identifier (NPI) is 1558659847, registered in 2011. Specialty on record: Obstetrics & Gynecology; credential M.D.
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, Erika Simpson among them. The California Obstetrics & Gynecology directory lists each one by city with credential, NPI, and center affiliations.
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