Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Chun K. Ryu, MD

Organization Psychiatry Physician · NPI 1275620429

Chun K. Ryu, MD is a Psychiatry Physician in Santa Ana, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006

Practice location Address checks out

1633 E 4th St 138
Santa Ana, CA 92701-5163
Phone: (714) 543-4447
Fax: (714) 543-4488
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A25717 (CA)

Record details

NPI number1275620429
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Chun Ryu — Medical Doctor, Psychiatrist · (714) 543-4447
Other names Chun K. Ryu, M.D.
NPI enumeratedOctober 9, 2006
Last updated in NPPESOctober 9, 2008
Mailing address1633 E 4th St, 138, Santa Ana, CA 92701-5163

Other providers in Santa Ana