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

Dr. Leonard Norman Lewenstein, MD

Individual provider Anesthesiology Physician · NPI 1558439687

Dr. Leonard Norman Lewenstein, MD is an Anesthesiology Physician in Santa Monica, California. Practices as a sole proprietor. Licensed in California.

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

1250 16th St
Santa Monica, CA 90404-1249
Phone: (310) 319-4000
Fax: (310) 319-4137
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence C37173 (CA)

Record details

NPI number1558439687
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 30, 2006
Last updated in NPPESMarch 24, 2014

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