Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Hong-An Jan, MD

Individual provider Specialist · NPI 1255332979

Dr. Hong-An Jan, MD is an Obstetrics/Gynecology in Garden Grove, California. Qualified in 1967, 59 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
59
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12555 Garden Grove Blvd Ste 202
Garden Grove, CA 92843-1902
Phone: (714) 538-1288
Fax: (714) 538-4913
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A31743 (CA)

Record details

NPI number1255332979
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 3, 2005
Last updated in NPPESOctober 5, 2012

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 1967 (59 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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