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

Individual provider Hematology & Oncology Physician · NPI 1023043189

Mr. Clan Hyoku Hahn, MD is a Hematology/Oncology in Los Angeles, California. Graduated from Loma Linda University School of Medicine in 1992, 34 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
34
Trained at
Loma Linda University 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.

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Practice location Address checks out

520 S Virgil Ave Ste 306
Los Angeles, CA 90020-1441
Phone: (213) 277-1700
Fax: (213) 277-1817
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G78245 (CA)

Record details

NPI number1023043189
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESJuly 12, 2022
Certification dateJuly 12, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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