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

Chidao L Nguyen, DO

Individual provider Internal Medicine Physician · NPI 1780850198

Chidao L Nguyen, DO is an Internal Medicine in Westminster, California. Graduated from Western University of Health Sciences College of Dental Med in 2006, 20 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
20
Trained at
Western University of Health Sciences College of Dental Med
Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

9353 Bolsa Ave Ste E62
Westminster, CA 92683-5951
Phone: (800) 461-4651
Fax: (714) 333-4838
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 20A10338 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A10338 (CA)

Record details

NPI number1780850198
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 6, 2008
Last updated in NPPESApril 19, 2017
Mailing address9353 Bolsa Ave, Ste E62, Westminster, CA 92683-5951

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolWESTERN UNIVERSITY OF HEALTH SCIENCES COLLEGE OF DENTAL MED
Graduated 2006 (20 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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