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 › 111NR0400X

Robby Chen, D.C

NPI 1922283902 · on the registry since 2008

Practice

Address
1470 Valley Vista Dr Ste 104
Diamond Bar, CA 91765
Phone
(909) 468-2192
Organisation at this address
Sang Tran Md Pc
Laboratory Corporation Of America
Paulson-Chen Medical Associates, Pc
Inferred from a shared address, not stated in the registry.

Registry record

Primary taxonomy
111NR0400X
111NR0400X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-01-16

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