Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. LAWRENCE PRENSKY M.S.
NPI 1386622892
Genetic Counselor, MS in San Francisco, CA

Active since January 04, 2006
3700 CALIFORNIA ST, ROOM G310, SAN FRANCISCO, CA 94118(415) 600-2153 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Lawrence Prensky M.s. NPPES

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

MR. LAWRENCE PRENSKY M.S. (NPI 1386622892) is an individual genetic counselor, ms provider in San Francisco, California and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1386622892
Entity TypeIndividualMale
Primary Taxonomy170300000X
Provider Legal NameMR. LAWRENCE PRENSKYCredential: M.S.
Location Address3700 CALIFORNIA ST, ROOM G310San Francisco, CA 94118-1618
Mailing Address2211 Vista Del MarSan Mateo, CA 94404-2488
Sole ProprietorNo
Enumeration DateJanuary 4, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1386622892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
3700 CALIFORNIA ST, San Francisco, CA 94118

Other Providers at the Same Location NPPES 20

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

Anesthesiology
3700 CALIFORNIA ST
SAN FRANCISCO, CA 94118
Anesthesiology
3700 CALIFORNIA ST
SAN FRANCISCO, CA 94118
Anesthesiology
3700 CALIFORNIA ST
SAN FRANCISCO, CA 94118
Pathology (Clinical Pathology/Laboratory Medicine)
3700 CALIFORNIA ST
SAN FRANCISCO, CA 94118
Genetic Counselor, MS
3700 CALIFORNIA ST, CALIFORNIA PACIFIC MEDICAL CENTER, G330
SAN FRANCISCO, CA 94118
Pathology (Clinical Pathology/Laboratory Medicine)
3700 CALIFORNIA ST
SAN FRANCISCO, CA 94118
Genetic Counselor, MS
3700 CALIFORNIA ST
SAN FRANCISCO, CA 94118
Genetic Counselor, MS
3700 CALIFORNIA ST, G330
SAN FRANCISCO, CA 94118

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 Lawrence Prensky's NPI number?

The NPI number for Lawrence Prensky is 1386622892. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Lawrence Prensky located?

Lawrence Prensky practices at 3700 California St Room G310, San Francisco, CA 94118. The listed phone number is (415) 600-2153.

What is Lawrence Prensky's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Lawrence Prensky was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.