Individual provider · Type 1 NPI

Karen Yen Quan, MD, MS

Psychiatry Physician · Orange, CA

NPI number 1023713450 Active

Practice location

101 The City Dr S Bldg 3
Orange, CA 92868-3201

Call (714) 456-5770 Map

Mailing address

3800 W Chapman Ave Ste 500
Orange, CA 92868-1638

Other practice locations

  • 3800 W Chapman Ave Ste 500, Orange, CA 92868-1638 · (714) 456-5770
  • 800 N Main St, Santa Ana, CA 92701-3576 · (714) 456-5770
  • 23291 Mill Creek Dr Ste 200, Laguna Hills, CA 92653-1631 · (949) 458-2715

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician Primary 2084P0800XA199635 (CA)

Psychiatry Physician: A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic la…

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About NPI 1023713450

Karen Yen Quan, MD, MS's National Provider Identifier is 1023713450, issued on Apr 4, 2023. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Orange, CA. The record was last updated on Aug 17, 2026.