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

Diana Doan-Nguyen

Individual provider Family Nurse Practitioner · NPI 1225792369

Diana Doan-Nguyen is a Nurse Practitioner in Orange, California. Qualified in 2021, 5 years ago. Practices with Regents of the University Of, a 125-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Licensed in
CA
In the registry since
2021

Practice location Address checks out

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-5705
Show map & directions

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

Additional practice locations (2)

  • 1150 Baker St, Costa Mesa, CA 92626-4111
  • 4699 Jamboree Rd, Newport Beach, CA 92660-2526 — (949) 557-0951

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95017996 (CA)

Record details

NPI number1225792369
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedOctober 25, 2021
Last updated in NPPESApril 3, 2026
Certification dateApril 3, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Regents Of The University Of — 125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Orange