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

Henry P Sideropoulos MD Inc

Organization Internal Medicine Physician · NPI 1366800823

Henry P Sideropoulos MD Inc is an Internal Medicine Physician in Pasadena, California. Licensed in California. Registered with an NPI since 2016.

Licensed in
CA
In the registry since
2016
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

1771 E Orange Grove Blvd
Pasadena, CA 91104-0000
Phone: (626) 484-8947
Fax: (626) 628-0492
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G42050 (CA)

Record details

NPI number1366800823
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Henry Sideropoulos — Md · (909) 484-2865
Other names Henry P Sideropoulos Md Inc
NPI enumeratedJanuary 29, 2016
Last updated in NPPESJuly 29, 2016
Mailing address1771 E Orange Grove Blvd, Pasadena, CA 91104-0000

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