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

Dr. Hoon-Ji Helen Choi, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1225062888

Dr. Hoon-Ji Helen Choi, MD is an Endocrinology in Los Alamitos, California. Graduated from University of Southern California Keck School of Medicine in 1998, 28 years ago. Accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
28
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
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

3772 Katella Ave Ste 107
Los Alamitos, CA 90720-6424
Phone: (562) 431-7877
Fax: (562) 431-7882
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence A70132 (CA)

Record details

NPI number1225062888
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESMarch 11, 2023
Certification dateMarch 11, 2023

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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