npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › California › 390200000X

Ian Erlich

NPI 1386498483 · on the registry since 2024

Practice

Address
4400 Alma Ave
Castro Valley, CA 94546
Phone
(510) 537-3000
Organisation at this address
Castro Valley Unified
Inferred from a shared address, not stated in the registry.
Clinicians at this address
24

Additional practice sites

  • 368 Fell St, San Francisco, CA
  • 405 Baker St, San Francisco, CA

Registry record

Primary taxonomy
390200000X
390200000X
Also registered as
172V00000X
373H00000X
Sex
Male
Record last updated
2026-08-22

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California