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

Gemma Th Ko, MD Inc

Organization Internal Medicine Physician · NPI 1184633620

Gemma Th Ko, MD Inc is an Internal Medicine Physician in Pico Rivera, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4511 Rosemead Blvd
Pico Rivera, CA 90660-2032
Phone: (562) 692-3388
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G70866 (CA)

Record details

NPI number1184633620
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michele Guzman — Office Manager · (562) 692-3388
NPI enumeratedAugust 5, 2006
Last updated in NPPESFebruary 8, 2010
Mailing address4511 Rosemead Blvd, Pico Rivera, CA 90660-2032

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