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

Q: 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.

Q: What is Susan Lessin's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Susan Lessin was last updated on January 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

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: August 16, 2026.

On this page

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

Phone(408) 730-5100

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

Open in Google Maps ↗

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.

CHANNING LEONG MPT

Case Manager/Care Coordinator