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

Peter T Katsiyiannis, MD, Inc

Organization Internal Medicine Physician · NPI 1235309907

Peter T Katsiyiannis, MD, Inc is an Internal Medicine Physician in Huntington Park, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
Specialties on file
3
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

2623 E Slauson Ave
Huntington Park, CA 90255-2926
Phone: (323) 583-1931
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence G88008 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G88008 (CA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence G88008 (CA)

Record details

NPI number1235309907
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Peter Katsiyiannis — President · (951) 699-0303
Other names Heart Institute Of Southern California
NPI enumeratedMarch 10, 2008
Last updated in NPPESNovember 19, 2009
Mailing addressPo Box 1284, Temecula, CA 92593-1284

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