DR. SUSAN R. LESSIN M.D.
NPI 1629066618
Internal Medicine - Hematology & Oncology in Sunnyvale, CA

Active since October 12, 2005
585 N MARY AVE, SUNNYVALE, CA 94085(408) 730-5100(408) 730-8726 Get Directions Write a Review

NPPES record last updated: January 27, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Susan R. Lessin M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SUSAN R. LESSIN M.D. (NPI 1629066618) is an individual hematology & oncology provider in Sunnyvale, California, licensed in California (G44586) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1629066618
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. SUSAN R. LESSINCredential: M.D.
Location Address585 N MARY AVESunnyvale, CA 94085-2905
Mailing Address585 N Mary AveSunnyvale, CA 94085-2905 · (408) 730-5100 · Fax (408) 730-8726
Fax(408) 730-8726
Sole ProprietorNo
Enumeration DateOctober 12, 2005
Last NPPES UpdateJanuary 27, 2016
NPI 1629066618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in CA · G44586
Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedSpecialistTaxonomy 174400000X
585 N MARY AVE, Sunnyvale, CA 94085

Other Identifiers 2

Medicare UPINF15437CA
Medicare PING445863CA

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Case Manager/Care Coordinator
585 N MARY AVE
SUNNYVALE, CA 94085
Home Health
585 N MARY AVE
SUNNYVALE, CA 94085
Social Worker (Clinical)
585 N MARY AVE
SUNNYVALE, CA 94085
Physical Therapist
585 N MARY AVE
SUNNYVALE, CA 94085
Hospice Care, Community Based
585 N MARY AVE
SUNNYVALE, CA 94085
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
585 N MARY AVE
SUNNYVALE, CA 94085
Physical Therapist
585 N MARY AVE
SUNNYVALE, CA 94085
Nurse Practitioner (Family)
585 N MARY AVE
SUNNYVALE, CA 94085

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Susan Lessin's NPI number?

The NPI number for Susan Lessin is 1629066618. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is Susan Lessin located?

Susan Lessin practices at 585 N Mary Ave, Sunnyvale, CA 94085. The listed phone number is (408) 730-5100.

What is Susan Lessin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Susan Lessin was last updated on January 27, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.