Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregor Medical Corporation

Organization Multi-Specialty Clinic/Center · NPI 1275274003

Gregor Medical Corporation provides Multi-Specialty Clinic/Center services in Rancho Cucamonga, California. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

9377 Haven Ave Ste 100
Rancho Cucamonga, CA 91730-5340
Phone: (909) 906-1505
Fax: (909) 906-1508
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Multi-Specialty Clinic/Center (primary) Taxonomy 261QM1300X

Record details

NPI number1275274003
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Peter Gregor — President/Ceo · (909) 906-1505
Other names Gregor Medical Corporation
NPI enumeratedApril 5, 2022
Last updated in NPPESOctober 9, 2024
Certification dateOctober 9, 2024
Mailing address9377 Haven Ave Ste 100, Rancho Cucamonga, CA 91730-5340

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