1. Home
  2. Directory
  3. California
  4. Walnut Creek
  5. Specialist
  6. NPI Profile

OB-GYN SPECIALISTS, INC.
NPI 1700886488
Specialist in Walnut Creek, CA

Active since July 26, 2005CLIA 05D1004640 · Waiver
2121 YGNACIO VALLEY RD, BLDG. E, SUITE 101, WALNUT CREEK, CA 94598(925) 945-6600(925) 945-7842 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ob-gyn Specialists, Inc. NPPES

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

OB-GYN SPECIALISTS, INC. (NPI 1700886488) is a healthcare organization registered as a specialist in Walnut Creek, California and active in the NPI registry since July 2005. The organization holds a CLIA Waiver certificate valid through October 1, 2026 and lists Dorothy Blint, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1700886488
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameOB-GYN SPECIALISTS, INC.
Location Address2121 YGNACIO VALLEY RD, BLDG. E, SUITE 101Walnut Creek, CA 94598-3383
Mailing Address2121 Ygnacio Valley Rd, Bldg. E, Suite 101Walnut Creek, CA 94598-3383 · (925) 945-6600 · Fax (925) 945-7842
Phone(925) 945-6600
Fax(925) 945-7842
Organization SubpartNo
Authorized OfficialDorothy BlintOffice Manager · (925) 945-6600
Enumeration DateJuly 26, 2005
Last NPPES UpdateAugust 22, 2020
✔ NPI 1700886488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2121 YGNACIO VALLEY RD, Walnut Creek, CA 94598
Open in Google Maps ↗

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 Waiver 05D1004640

Ob Gyn Specialists, A Division Of Bass Medical Group · Walnut Creek, CA
Active · expires Oct 1, 2026
CLIA Number05D1004640
Laboratory TypePhysician Office
Certificate Effective DateOctober 2, 2024
Certificate Expiration DateOctober 1, 2026
Laboratory DirectorJanette G. Walker
Laboratory Phone(925) 945-6600
Laboratory LocationOb Gyn Specialists, A Division Of Bass Medical Group2637 Shadelands Dr, Walnut Creek, CA 94598
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTINE M. RILEY, M.D., INC.
Obstetrics & Gynecology
2121 YGNACIO VALLEY RD, SUITE E206
WALNUT CREEK, CA 94598
Contra Costa County (925) 932-0390
AAMIR A FARUQUI MD INC
Internal Medicine (Pulmonary Disease)
2121 YGNACIO VALLEY RD, SUITE E-104
WALNUT CREEK, CA 94598
Contra Costa County (925) 934-2121
ELITE CHIROPRACTIC REHAB & WELLNESS ROSENSTEIN & CRESCI INC.
Chiropractor
2121 YGNACIO VALLEY RD, SUITE F
WALNUT CREEK, CA 94598
Contra Costa County (650) 554-0778
DR. AAMIR AHMED FARUQUI MD
Internal Medicine (Critical Care Medicine)
2121 YGNACIO VALLEY RD, SUITE E 104
WALNUT CREEK, CA 94598
Contra Costa County (925) 934-2121
DR. CHRISTINE M RILEY M.D.
Obstetrics & Gynecology
2121 YGNACIO VALLEY RD, SUITE E206
WALNUT CREEK, CA 94598
Contra Costa County (925) 932-0390
C.P. WONG, D.D.S. & M.B. WONG, D.D.S., A PDC
Dentist (General Practice)
2121 YGNACIO VALLEY RD, SUITE E-202
WALNUT CREEK, CA 94598
Contra Costa County (925) 933-0677
CATHERINE COLACHICO MS, CCC-SLP
Speech-Language Pathologist
2121 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Contra Costa County (617) 877-2512
DR. NICOLAS C SKARIC M.D.
Surgery
2121 YGNACIO VALLEY RD, SUITE E204
WALNUT CREEK, CA 94598
Contra Costa County (925) 939-5866

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 Ob-Gyn Specialists, Inc.'s NPI number?

The NPI number for Ob-Gyn Specialists, Inc. is 1700886488. It was assigned to this organization in the NPPES registry on July 26, 2005.

Where is Ob-Gyn Specialists, Inc. located?

Ob-Gyn Specialists, Inc. is located at 2121 Ygnacio Valley Rd Bldg. E, Suite 101, Walnut Creek, CA 94598. The listed phone number is (925) 945-6600.

What is Ob-Gyn Specialists, Inc.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Does Ob-Gyn Specialists, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1004640) is associated with this NPI, valid through October 1, 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 Ob-Gyn Specialists, Inc. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.