VALLEY OBSTETRICS & GYNECOLOGY MEDICAL GROUP, INC.
NPI 1144304817
Obstetrics & Gynecology in Colton, CA

Active since October 25, 2006CLIA 05D0947120 · Microscopy
400 N PEPPER AVE, COLTON, CA 92324(909) 580-6333(909) 580-3289 Get Directions Write a Review

NPPES record last updated: May 29, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Valley Obstetrics & Gynecology Medical Group, Inc. NPPES

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

VALLEY OBSTETRICS & GYNECOLOGY MEDICAL GROUP, INC. (NPI 1144304817) is a healthcare organization registered as an obstetrics & gynecology in Colton, California and active in the NPI registry since October 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2026 and lists Guillermo J. Valenzuela, President, as its authorized official.

NPPES Registry Identity

NPI1144304817
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameVALLEY OBSTETRICS & GYNECOLOGY MEDICAL GROUP, INC.
Location Address400 N PEPPER AVEColton, CA 92324-1801
Mailing Address400 N. Pepper Ave., Mob 206Colton, CA 92324-1801 · (909) 580-6333 · Fax (909) 580-3289
Fax(909) 580-3289
Organization SubpartNo
Authorized OfficialGuillermo J. ValenzuelaPresident · (909) 580-6333
Enumeration DateOctober 25, 2006
Last NPPES UpdateMay 29, 2020
NPPES CertifiedMay 29, 2020
NPI 1144304817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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.
400 N PEPPER AVE, Colton, CA 92324

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

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) 05D0947120

Valley Obstetrics & Gynecology Medical Group, Inc · Colton, CA
Active · expires Aug 31, 2026
CLIA Number05D0947120
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorGuillermo J. Valenzuela, MD
Laboratory Phone(909) 580-6333
Laboratory LocationValley Obstetrics & Gynecology Medical Group, Inc400 N Pepper Ave, Colton, CA 92324
CLIA data matches this NPI record on: Address Name 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.

Other Providers at the Same Location NPPES 20

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

Licensed Psychiatric Technician
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse (Psychiatric/Mental Health)
400 N PEPPER AVE
COLTON, CA 92324
General Acute Care Hospital
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Student in an Organized Health Care Education/Training Program
400 N PEPPER AVE
COLTON, CA 92324
Otolaryngology
400 N PEPPER AVE, MOB SUITE 308
COLTON, CA 92324

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 Valley Obstetrics & Gynecology Medical Group, Inc.'s NPI number?

The NPI number for Valley Obstetrics & Gynecology Medical Group, Inc. is 1144304817. It was assigned to this organization in the NPPES registry on October 25, 2006.

Where is Valley Obstetrics & Gynecology Medical Group, Inc. located?

Valley Obstetrics & Gynecology Medical Group, Inc. is located at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-6333.

What is Valley Obstetrics & Gynecology Medical Group, Inc.'s specialty?

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

Does Valley Obstetrics & Gynecology Medical Group, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0947120) is associated with this NPI, valid through August 31, 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 Valley Obstetrics & Gynecology Medical Group, Inc. was last updated on May 29, 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.