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SFWOMEN'S GYN INC.
NPI 1912027632
Obstetrics & Gynecology - Gynecology in San Francisco, CA

Active since March 29, 2007CLIA 05D2329790 · Waiver
3838 CALIFORNIA ST RM 412, SAN FRANCISCO, CA 94118(415) 379-6800(415) 379-6808 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Sfwomen's Gyn Inc. NPPES

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

SFWOMEN'S GYN INC. (NPI 1912027632) is a healthcare organization registered as a gynecology in San Francisco, California and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through September 4, 2027, maintains a secondary practice location in San Francisco, and lists Rachel H Shu, Md/owner, as its authorized official.

NPPES Registry Identity

NPI1912027632
Entity TypeOrganization
Primary Taxonomy207VG0400X
Legal Business NameSFWOMEN'S GYN INC.
Location Address3838 CALIFORNIA ST RM 412San Francisco, CA 94118-1506
Mailing Address3838 California St Rm 412San Francisco, CA 94118-1506 · (415) 563-9000 · Fax (415) 563-1232
Phone(415) 379-6800
Fax(415) 379-6808
Organization SubpartNo
Authorized OfficialRachel H ShuMd/owner · (415) 563-9000
Enumeration DateMarch 29, 2007
Last NPPES UpdateApril 29, 2025
NPPES CertifiedApril 29, 2025
✔ NPI 1912027632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
3838 CALIFORNIA ST RM 412, San Francisco, CA 94118
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Secondary Practice Location 1

Location 11 Daniel Burnham Ct Ste 230CSan Francisco, CA 94109-0460 · Phone (415) 563-9000 · Fax (415) 563-1232

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sfwomen's Gyn Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Sfwomen's Gyn Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Stephanie Chun, MD
Obstetrics/Gynecology
NPI 1285750943
3838 CALIFORNIA ST RM 412
San Francisco, CA 94118
(415) 379-6800
✔ PECOS✔ Accepts MedicareSame address
Rachel Shu, MD
Obstetrics/Gynecology
NPI 1942358577
3838 CALIFORNIA ST RM 412
San Francisco, CA 94118
(415) 349-6800
✔ PECOS✔ Accepts MedicareSame address
Karen Chu, MD
Obstetrics/Gynecology
NPI 1053436899
1 DANIEL BURNHAM CT STE 230C
San Francisco, CA 94109
(415) 563-9000
✔ PECOS1.9 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Waiver 05D2329790

Sfwomen's Gyn Inc · San Francisco, CA
Active · expires Sep 4, 2027
CLIA Number05D2329790
Laboratory TypePhysician Office
Certificate Effective DateSeptember 5, 2025
Certificate Expiration DateSeptember 4, 2027
Laboratory DirectorStephanie N. Chun
Laboratory Phone(415) 563-9000
Laboratory LocationSfwomen's Gyn Inc3838 California St, Rm 412, San Francisco, CA 94118
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Sfwomen's Gyn Inc.'s NPI number?

The NPI number for Sfwomen's Gyn Inc. is 1912027632. It was assigned to this organization in the NPPES registry on March 29, 2007.

Where is Sfwomen's Gyn Inc. located?

Sfwomen's Gyn Inc. is located at 3838 California St Rm 412, San Francisco, CA 94118. The listed phone number is (415) 379-6800.

What is Sfwomen's Gyn Inc.'s specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Sfwomen's Gyn Inc. enrolled in Medicare?

Yes. Sfwomen's Gyn Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sfwomen's Gyn Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to Sfwomen's Gyn Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Sfwomen's Gyn Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2329790) is associated with this NPI, valid through September 4, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Sfwomen's Gyn Inc. was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.