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CYNTHIA A. CORK, M.D., INC.
NPI 1023266897
Obstetrics & Gynecology in Fountain Valley, CA

Active since September 04, 2008
11180 WARNER AVE, SUITE 455, FOUNTAIN VALLEY, CA 92708(714) 556-0536(714) 435-9640 Get Directions Write a Review

NPPES record last updated: March 14, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Cynthia A. Cork, M.d., Inc. NPPES

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

CYNTHIA A. CORK, M.D., INC. (NPI 1023266897) is a healthcare organization registered as an obstetrics & gynecology in Fountain Valley, California and active in the NPI registry since September 2008. The organization lists Cynthia Arlene Cork, President, as its authorized official.

NPPES Registry Identity

NPI1023266897
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameCYNTHIA A. CORK, M.D., INC.
Location Address11180 WARNER AVE, SUITE 455Fountain Valley, CA 92708-7501
Mailing Address11180 Warner Ave, Suite 455Fountain Valley, CA 92708-7501 · (714) 556-0536 · Fax (714) 435-9640
Phone(714) 556-0536
Fax(714) 435-9640
Organization SubpartNo
Authorized OfficialCynthia Arlene CorkPresident · (714) 556-0536
Enumeration DateSeptember 4, 2008
Last NPPES UpdateMarch 14, 2013
✔ NPI 1023266897 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 · G53015
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.
11180 WARNER AVE, Fountain Valley, CA 92708
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Other Identifiers 1

Medicare UPINA93187CA

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)

Cynthia A. Cork, M.d., 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 Cynthia A. Cork, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Cynthia Cork, M.D.
Obstetrics/Gynecology
NPI 1134229602
11180 WARNER AVENUE SUITE 455
Fountain Valley, CA 92708
(714) 556-0536
✔ 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.

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 Cynthia A. Cork, M.D., Inc.'s NPI number?

The NPI number for Cynthia A. Cork, M.D., Inc. is 1023266897. It was assigned to this organization in the NPPES registry on September 4, 2008.

Where is Cynthia A. Cork, M.D., Inc. located?

Cynthia A. Cork, M.D., Inc. is located at 11180 Warner Ave Suite 455, Fountain Valley, CA 92708. The listed phone number is (714) 556-0536.

What is Cynthia A. Cork, M.D., Inc.'s specialty?

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

Is Cynthia A. Cork, M.D., Inc. enrolled in Medicare?

Yes. Cynthia A. Cork, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cynthia A. Cork, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Cynthia A. Cork, M.D., 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.

When was this NPI record last updated?

The NPPES record for Cynthia A. Cork, M.D., Inc. was last updated on March 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.