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
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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
Mailing address333 City Blvd W, Suite 400, Orange, CA 92868-2903

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