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

Hoa Hieu Nguyen, MD

Individual provider Addiction Medicine (Internal Medicine) Physician · NPI 1427285394

Hoa Hieu Nguyen, MD is an Internal Medicine in Irvine, California. Qualified in 2009, 17 years ago. Practices with Pcg Medical Institute Corp, a 4-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Louisiana.

Years since qualifying
17
Licensed in
CA, LA
In the registry since
2009
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

16100 Sand Canyon Ave Ste 240
Irvine, CA 92618-3724
Phone: (949) 393-7443
Show map & directions

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

Additional practice locations (1)

  • 18173 Santa Adela Cir, Fountain Valley, CA 92708-5608 — (562) 412-8863

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 205442 (LA)
Addiction Medicine (Internal Medicine) Physician Taxonomy 207RA0401X · Licence A118305 (CA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence A118305 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A118305 (CA)

Record details

NPI number1427285394
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 17, 2009
Last updated in NPPESJune 29, 2023
Certification dateJune 29, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Pcg Medical Institute Corp — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount