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 › 207RH0003X

Hyun Don Yun, MD

NPI 1508090473 · on the registry since 2009

Practice

Address
4950 Barranca Pkwy Ste 210
Irvine, CA 92604
Phone
(949) 414-9337
Fax
(949) 402-0100
Organisation at this address
Aris Inc
Amir Sadjadi Dmd
Crystal Fernandez
Nika Omid, Md Inc
Anita Y Liu Md Inc
Inferred from a shared address, not stated in the registry.
Clinicians at this address
62

Registry record

Primary taxonomy
207RH0003X
207RH0003X
Also registered as
207RX0202X
207RH0000X
207R00000X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-08-21

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