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

Dr. Andrew Khoi Nguyen, MD

Individual provider Gastroenterology Physician · NPI 1154784783

Dr. Andrew Khoi Nguyen, MD is an Internal Medicine in Downey, California. Graduated from George Washington University School of Medicine in 2016, 10 years ago. Practices with PIH Health Physicians, a 614-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Utah.

Years since qualifying
10
Trained at
George Washington University School of Medicine
Licensed in
CA, UT
In the registry since
2016
Specialties on file
3
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

11500 Brookshire Ave
Downey, CA 90241-4917
Phone: (714) 902-5641
Show map & directions

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

Additional practice locations (2)

  • 26520 Cactus Ave, Moreno Valley, CA 92555-3927 — (714) 902-5641
  • 30 N 1900 E Rm 4r118, Salt Lake City, UT 84132-0002 — (801) 581-7803

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 151128 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 11265647-1205 (UT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1154784783
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2016
Last updated in NPPESAugust 12, 2022
Certification dateAugust 12, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Pih Health Physicians — 614 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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