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

Calvin Robert Klein, MD

Individual provider Hematology & Oncology Physician · NPI 1033236765

Calvin Robert Klein, MD is a Hematology & Oncology Physician in Santa Monica, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

2336 Santa Monica Blvd Ste 301
Santa Monica, CA 90404-2095 Not confirmed with CMS for 16 years — call before visiting
Phone: (310) 829-5471
Fax: (310) 829-6192
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G19180 (CA)

Record details

NPI number1033236765
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2007
Last updated in NPPESFebruary 9, 2010

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