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

Dr. Nancy D Young, PHD

Individual provider Clinical Psychologist · NPI 1205862224

Dr. Nancy D Young, PHD is a Clinical Psychologist in Costa Mesa, California. Qualified in 1986, 40 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Licensed in
CA
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3505 Cadillac Ave Bldg O Ste 109
Costa Mesa, CA 92626-1429
Phone: (714) 432-9856
Fax: (714) 432-7075
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY 11961 (CA)

Record details

NPI number1205862224
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 23, 2006
Last updated in NPPESApril 15, 2017
Mailing address3505 Cadillac Ave, Ste O109, Costa Mesa, CA 92626-1448

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Costa Mesa