Gregor Medical Corporation - Medicare Primary Care in Rancho Cucamonga, CA

Gregor Medical Corporation is a medicare enrolled primary clinic (Clinic/center - Multi-specialty) in Rancho Cucamonga, California. The current practice location for Gregor Medical Corporation is 9377 Haven Ave Ste 100, Rancho Cucamonga, California. For appointments, you can reach them via phone at (909) 906-1505. The mailing address for Gregor Medical Corporation is 9377 Haven Ave Ste 100, Rancho Cucamonga, California and phone number is (909) 906-1505.

Gregor Medical Corporation is licensed to practice in * (Not Available) (license number ). The clinic also participates in the medicare program and its NPI number is 1275274003. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (909) 906-1505.

Contact Information

Gregor Medical Corporation
9377 Haven Ave Ste 100
Rancho Cucamonga
CA 91730-5340
(909) 906-1505
(909) 906-1508

Map and Direction


Primary Care Clinic Profile

Full NameGregor Medical Corporation
SpecialityClinic/Center
Location9377 Haven Ave Ste 100, Rancho Cucamonga, California
Authorized Official Name and PositionPeter Gregor (PRESIDENT/CEO)
Authorized Official Contact9099061505
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregor Medical Corporation
9377 Haven Ave Ste 100
Rancho Cucamonga
CA 91730-5340

Ph: (909) 906-1505
Gregor Medical Corporation
9377 Haven Ave Ste 100
Rancho Cucamonga
CA 91730-5340

Ph: (909) 906-1505

NPI Details:

NPI Number1275274003
Provider Enumeration Date04/05/2022
Last Update Date04/05/2022

Medicare PECOS Information:

Medicare PECOS PAC ID2668832700
Medicare Enrollment IDO20230720001838

Medical Identifiers

Medical identifiers for Gregor Medical Corporation such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275274003NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
261QM1300XClinic/center - Multi-specialty (* (Not Available))Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Gregor Medical Corporation acts as a billing entity for following providers:
Provider NamePeter W Gregor
Provider TypePractitioner - Cardiovascular Disease (cardiology)
Provider IdentifiersNPI Number: 1528021235
PECOS PAC ID: 6608778840
Enrollment ID: I20040127000252
Provider NameKimberly J Light-allende
Provider TypePractitioner - Clinical Psychologist
Provider IdentifiersNPI Number: 1497872915
PECOS PAC ID: 1052419116
Enrollment ID: I20070613000452
Provider NameMireille C Castan
Provider TypePractitioner - Clinical Psychologist
Provider IdentifiersNPI Number: 1710087770
PECOS PAC ID: 1456420587
Enrollment ID: I20080515000480
Provider NameGeorge S Lakner
Provider TypePractitioner - Psychiatry
Provider IdentifiersNPI Number: 1265568844
PECOS PAC ID: 5890197016
Enrollment ID: I20210712000904

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.