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PACIFIC COAST OB/GYN
NPI 1316983877
Obstetrics & Gynecology in Mission Viejo, CA

Active since June 22, 2006CLIA 05D0965099 · Waiver
27800 MEDICAL CENTER ROAD, SUITE 230, MISSION VIEJO, CA 92691(949) 347-6777(949) 347-6782 Get Directions Write a Review

NPPES record last updated: April 2, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Pacific Coast Ob/gyn NPPES

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

PACIFIC COAST OB/GYN (NPI 1316983877) is a healthcare organization registered as an obstetrics & gynecology in Mission Viejo, California and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through March 10, 2028 and lists Tiffany U Tran, President, as its authorized official.

NPPES Registry Identity

NPI1316983877
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameTIFFANY U TRAN MD INC
Location Address27800 MEDICAL CENTER ROAD, SUITE 230Mission Viejo, CA 92691
Mailing Address27800 Medical Center Road, Suite 230Mission Viejo, CA 92691 · (949) 347-6777 · Fax (949) 347-6782
Phone(949) 347-6777
Fax(949) 347-6782
Organization SubpartNo
Authorized OfficialTiffany U TranPresident · (949) 347-6777
Enumeration DateJune 22, 2006
Last NPPES UpdateApril 2, 2013
✔ NPI 1316983877 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 · G79948
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.
27800 MEDICAL CENTER ROAD, Mission Viejo, CA 92691
Open in Google Maps ↗

Other Names 1

Doing Business AsPacific Coast Ob/gyn

Other Identifiers 2

Medicaid00G799480CA
Medicare UPING71603

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Pacific Coast Ob/gyn 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 Pacific Coast Ob/Gyn, which bills Medicare for the services this clinician delivers.

Clinician (1)

Tiffany Tran, MD
Obstetrics/Gynecology
NPI 1447370218
27800 MEDICAL CENTER ROAD SUITE 230
Mission Viejo, CA 92691
(949) 347-6777
✔ PECOS✔ Accepts Medicare0.2 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 05D0965099

Tiffany U Tran MD Inc · Mission Viejo, CA
Active · expires Mar 10, 2028
CLIA Number05D0965099
Laboratory TypePhysician Office
Certificate Effective DateMarch 11, 2026
Certificate Expiration DateMarch 10, 2028
Laboratory DirectorTiffany U. Tran MD
Laboratory Phone(949) 347-6777
Laboratory LocationTiffany U Tran MD Inc27800 Medical Center Road Suite 230, Mission Viejo, CA 92691
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 Tiffany U Tran MD Inc's NPI number?

The NPI number for Tiffany U Tran MD Inc is 1316983877. It was assigned to this organization in the NPPES registry on June 22, 2006. The provider is doing business as Pacific Coast Ob/Gyn.

Where is Tiffany U Tran MD Inc located?

Tiffany U Tran MD Inc is located at 27800 Medical Center Road Suite 230, Mission Viejo, CA 92691. The listed phone number is (949) 347-6777.

What is Tiffany U Tran MD Inc's specialty?

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

Is Tiffany U Tran MD Inc enrolled in Medicare?

Yes. Tiffany U Tran MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tiffany U Tran MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Tiffany U Tran 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 Tiffany U Tran MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0965099) is associated with this NPI, valid through March 10, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Tiffany U Tran MD Inc was last updated on April 2, 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.