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

PETER CHARLES KLATSKY, M.D. INC
NPI 1902275407
Obstetrics & Gynecology - Reproductive Endocrinology in San Francisco, CA

Active since September 15, 2015CLIA 05D2110794 · Accreditation
1 DANIEL BURNHAM CT, SUITE 110C, SAN FRANCISCO, CA 94109(415) 200-6259 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Peter Charles Klatsky, M.d. Inc NPPES

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

PETER CHARLES KLATSKY, M.D. INC (NPI 1902275407), doing business as Spring Fertility, is a healthcare organization registered as a reproductive endocrinology in San Francisco, California and active in the NPI registry since September 2015. The organization holds an CLIA Accreditation certificate valid through August 23, 2026, maintains a secondary practice location in Roseville, and lists Peter Klatsky, Director, as its authorized official.

NPPES Registry Identity

NPI1902275407
Entity TypeOrganization
Primary Taxonomy207VE0102X
Legal Business NamePETER CHARLES KLATSKY, M.D. INC
Location Address1 DANIEL BURNHAM CT, SUITE 110CSan Francisco, CA 94109-5455
Mailing Address1 Daniel Burnham Ct, Suite 110cSan Francisco, CA 94109-5455
Organization SubpartNo
Authorized OfficialPeter KlatskyDirector · (415) 200-6259
Enumeration DateSeptember 15, 2015
Last NPPES UpdateJuly 9, 2026
NPPES CertifiedJuly 9, 2026
NPI 1902275407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & Gynecology · Reproductive EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code207VE0102X
License Licensed in CA · A91127
Definition
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.
1 DANIEL BURNHAM CT, San Francisco, CA 94109

Other Names 1

Doing Business AsSpring Fertility

Secondary Practice Location 1

Location 12550 Douglas Blvd Ste 160Roseville, CA 95661-3996 · Phone (415) 964-5618

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 05D2110794

Spring Fertility, San Francisco · San Francisco, CA
Active · expires Aug 23, 2026
CLIA Number05D2110794
Laboratory TypePhysician Office
Certificate Effective DateAugust 24, 2024
Certificate Expiration DateAugust 23, 2026
Laboratory DirectorDr. Nam D. Tran
Laboratory Phone(415) 964-5618
Laboratory LocationSpring Fertility, San Francisco1 Daniel Burnham Ct, Ste 110C, San Francisco, CA 94109
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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.

Ophthalmology
1 DANIEL BURNHAM CT, SUITE 170-C
SAN FRANCISCO, CA 94109
Physician Assistant
1 DANIEL BURNHAM CT, SUITE 205C
SAN FRANCISCO, CA 94109
Pain Medicine (Pain Medicine)
1 DANIEL BURNHAM CT
SAN FRANCISCO, CA 94109
Legal Medicine
1 DANIEL BURNHAM CT, SUITE 365C
SAN FRANCISCO, CA 94109
Obstetrics & Gynecology (Reproductive Endocrinology)
1 DANIEL BURNHAM CT, SUITE 110C
SAN FRANCISCO, CA 94109
Plastic Surgery (Plastic Surgery Within the Head and Neck)
1 DANIEL BURNHAM CT, SUITE 368C
SAN FRANCISCO, CA 94109
Medical Genetics, Ph.D. Medical Genetics
1 DANIEL BURNHAM CT, SUITE 230C
SAN FRANCISCO, CA 94109
Psychologist (Clinical)
1 DANIEL BURNHAM CT, WMP, SUITE 370-C
SAN FRANCISCO, CA 94109

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 Peter Charles Klatsky, M.D. Inc's NPI number?

The NPI number for Peter Charles Klatsky, M.D. Inc is 1902275407. It was assigned to this organization in the NPPES registry on September 15, 2015. The provider is doing business as Spring Fertility.

Where is Peter Charles Klatsky, M.D. Inc located?

Peter Charles Klatsky, M.D. Inc is located at 1 Daniel Burnham Ct Suite 110C, San Francisco, CA 94109. The listed phone number is (415) 200-6259.

What is Peter Charles Klatsky, M.D. Inc's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

Does Peter Charles Klatsky, M.D. Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 05D2110794) is associated with this NPI, valid through August 23, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Peter Charles Klatsky, M.D. Inc was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.