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COMP
NPI 1669730321
Clinic/Center - Occupational Medicine in Ontario, CA

Active since May 01, 2012CLIA 05D2161546 · Waiver
59 S MILLIKEN AVE, SUITE 100, ONTARIO, CA 91761(909) 605-8888(909) 605-8855 Get Directions Write a Review

NPPES record last updated: April 14, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Comp NPPES

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

COMP (NPI 1669730321) is a healthcare organization registered as an occupational medicine in Ontario, California and active in the NPI registry since May 2012. The organization holds a CLIA Waiver certificate valid through February 4, 2027 and lists Gregory Joseph Speer, Administrator, as its authorized official.

NPPES Registry Identity

NPI1669730321
Entity TypeOrganization
Primary Taxonomy261QX0100X
Legal Business NameCENTRAL OCCUPATIONAL MEDICINE PROVIDERS - ONTARIO, A MEDICAL CORPORATI
Location Address59 S MILLIKEN AVE, SUITE 100Ontario, CA 91761-7811
Mailing Address4300 Central AveRiverside, CA 92506-2918 · (951) 222-2206 · Fax (951) 222-2196
Phone(909) 605-8888
Fax(909) 605-8855
Organization SubpartNo
Authorized OfficialGregory Joseph SpeerAdministrator · (951) 222-2206
Enumeration DateMay 1, 2012
Last NPPES UpdateApril 14, 2015
✔ NPI 1669730321 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyClinic/Center · Occupational MedicineAmbulatory Health Care Facilities
Taxonomy Code261QX0100X
Also ListedFamily MedicineTaxonomy 207Q00000X · License A48324 (CA), 20A5982 (CA)
Also ListedInternal MedicineTaxonomy 207R00000X · License A48512 (CA)
Also ListedGeneral PracticeTaxonomy 208D00000X · License G72529 (CA), G70519 (CA), 20A9190 (CA)
59 S MILLIKEN AVE, Ontario, CA 91761
Open in Google Maps ↗

Other Names 1

Other NameComp

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 MULTIPLE 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 05D2161546

Central Occupational Medicine Providers Ontario · Ontario, CA
Active · expires Feb 4, 2027
CLIA Number05D2161546
Laboratory TypeIndustrial
Certificate Effective DateFebruary 5, 2025
Certificate Expiration DateFebruary 4, 2027
Laboratory DirectorRobinson V. Baron
Laboratory Phone(909) 605-8888
Laboratory LocationCentral Occupational Medicine Providers Ontario59 South Milliken Avenue, Suite 100, Ontario, CA 91761
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

DR. PATRICIA LITONJUA SANTA MARIA FERNANDEZ M.D.
Preventive Medicine (Occupational Medicine)
59 S MILLIKEN AVE, SUITE 100
ONTARIO, CA 91761
San Bernardino County (909) 605-8888

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 Central Occupational Medicine Providers - Ontario, A Medical Corporati's NPI number?

The NPI number for Central Occupational Medicine Providers - Ontario, A Medical Corporati is 1669730321. It was assigned to this organization in the NPPES registry on May 1, 2012. The provider is also known as Comp.

Where is Central Occupational Medicine Providers - Ontario, A Medical Corporati located?

Central Occupational Medicine Providers - Ontario, A Medical Corporati is located at 59 S Milliken Ave Suite 100, Ontario, CA 91761. The listed phone number is (909) 605-8888.

What is Central Occupational Medicine Providers - Ontario, A Medical Corporati's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Occupational Medicine, with taxonomy code 261QX0100X.

Does Central Occupational Medicine Providers - Ontario, A Medical Corporati hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2161546) is associated with this NPI, valid through February 4, 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 Central Occupational Medicine Providers - Ontario, A Medical Corporati was last updated on April 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.