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

Dr. Susan R. Lessin, MD

Individual provider Specialist · NPI 1629066618

Dr. Susan R. Lessin, MD is a Specialist in Sunnyvale, 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

585 N Mary Ave
Sunnyvale, CA 94085-2905
Phone: (408) 730-5100
Fax: (408) 730-8726
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G44586 (CA)
Specialist Taxonomy 174400000X

Record details

NPI number1629066618
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 12, 2005
Last updated in NPPESJanuary 27, 2016

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