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

Steven B. Leven, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1538166780

Steven B. Leven, MD is a Critical Care Medicine (Internal Medicine) Physician in Orange, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

333 City Blvd W Ste 400
Orange, CA 92868-2903
Phone: (562) 884-3783
Fax: (714) 456-3597
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence G49708 (CA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence G49708 (CA)

Record details

NPI number1538166780
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2005
Last updated in NPPESSeptember 23, 2014

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