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DAVID KE-H TUAN, MD., INC.
NPI 1174832026
Obstetrics & Gynecology in San Francisco, CA

Active since September 27, 2010CLIA 05D0988428 · Microscopy
929 CLAY ST, SUITE 305, SAN FRANCISCO, CA 94108(415) 398-7178(415) 398-5525 Get Directions Write a Review

NPPES record last updated: September 27, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About David Ke-h Tuan, Md., Inc. NPPES

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

DAVID KE-H TUAN, MD., INC. (NPI 1174832026) is a healthcare organization registered as an obstetrics & gynecology in San Francisco, California and active in the NPI registry since September 2010. The organization holds a CLIA Microscopy certificate valid through June 26, 2027 and lists David K Tuan, President, as its authorized official.

NPPES Registry Identity

NPI1174832026
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameDAVID KE-H TUAN, MD., INC.
Location Address929 CLAY ST, SUITE 305San Francisco, CA 94108-1556
Mailing Address929 Clay St, Suite 305San Francisco, CA 94108-1556 · (415) 398-7178 · Fax (415) 398-5525
Phone(415) 398-7178
Fax(415) 398-5525
Organization SubpartNo
Authorized OfficialDavid K TuanPresident · (415) 398-7178
Enumeration DateSeptember 27, 2010
✔ NPI 1174832026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G85944
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
929 CLAY ST, San Francisco, CA 94108
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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)

David Ke-h Tuan, Md., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to David Ke-H Tuan, MD., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Ke H Tuan, M.D.
Obstetrics/Gynecology
NPI 1104873520
929 CLAY ST 305
San Francisco, CA 94108
(415) 398-7178
✔ PECOS✔ Accepts MedicareSame address

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 for Provider-Performed Microscopy Procedures (PPMP) 05D0988428

David K H Tuan, MD · Oakland, CA
Active · expires Jun 26, 2027
CLIA Number05D0988428
Laboratory TypePhysician Office
Certificate Effective DateJune 27, 2025
Certificate Expiration DateJune 26, 2027
Laboratory DirectorDavid K. Tuan MD
Laboratory Phone(415) 398-7178
Laboratory LocationDavid K H Tuan, MD373 9th St Ste 301, Oakland, CA 94607
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 David Ke-H Tuan, MD., Inc.'s NPI number?

The NPI number for David Ke-H Tuan, MD., Inc. is 1174832026. It was assigned to this organization in the NPPES registry on September 27, 2010.

Where is David Ke-H Tuan, MD., Inc. located?

David Ke-H Tuan, MD., Inc. is located at 929 Clay St Suite 305, San Francisco, CA 94108. The listed phone number is (415) 398-7178.

What is David Ke-H Tuan, MD., Inc.'s specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is David Ke-H Tuan, MD., Inc. enrolled in Medicare?

Yes. David Ke-H Tuan, MD., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through David Ke-H Tuan, MD., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to David Ke-H Tuan, MD., 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does David Ke-H Tuan, MD., Inc. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0988428) is associated with this NPI, valid through June 26, 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 David Ke-H Tuan, MD., Inc. was last updated on September 27, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.