Individual
SANG HOON AHN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
1950 SUNNY CREST DR STE 2800, FULLERTON, CA 92835-3641
(657) 888-9919
(657) 888-9941
Mailing address
1520 HOLLYDALE DR, FULLERTON, CA 92831-1115
(213) 245-0788
Taxonomy
Speciality
Code
Description
License number
State
174400000X
Specialist
A95562
CA
207R00000X
Internal Medicine Physician
Primary
A95562
CA
207RH0003X
Hematology & Oncology Physician
Primary
A95562
CA
207RX0202X
Medical Oncology Physician
A95562
CA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
00A955620
—
CA
Enumeration date
03/28/2007
Last updated
02/18/2026
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