Individual provider · Type 1 NPI

Karen M. Don, MD

Internal Medicine Physician · Fountain Valley, CA

NPI number 1184655698 Active

Practice location

9900 Talbert Ave, Suite 302
Fountain Valley, CA 92708-5153

Call (714) 965-2500 Map

Fax (714) 965-2581

Mailing address

PO Box 8039
Fountain Valley, CA 92728-8039

Other practice locations

  • 20981 Magnolia St, Huntington Beach, CA 92646-6338 · (714) 965-2500
  • 18682 Beach Blvd Ste 150, Huntington Beach, CA 92648-2050 · (714) 965-2500

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XG78774 (CA)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1184655698

Karen M. Don, MD's National Provider Identifier is 1184655698, issued on Jul 5, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Fountain Valley, CA. The record was last updated on Feb 21, 2026.