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

Dr. Stephen C Siegle, MD

Individual provider Internal Medicine Physician · NPI 1821055302

Dr. Stephen C Siegle, MD is an Internal Medicine Physician in Torrance, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4320 Maricopa St
Torrance, CA 90503-4314
Phone: (310) 214-0811
Fax: (310) 303-5901
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 A40032 (CA)

Record details

NPI number1821055302
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2006
Last updated in NPPESJuly 13, 2026
Mailing address3330 Lomita Blvd, Torrance, CA 90505-5002

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