Dr Gregory W Thomas, MD - Medicare Family Medicine in San Luis Obispo, CA

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Dr Gregory W Thomas, MD is a medicare enrolled "Family Medicine" physician in San Luis Obispo, California. His current practice location is 1 Grand Ave, California Polytechnic State University San Luis Obispo, San Luis Obispo, California. You can reach out to his office (for appointments etc.) via phone at (805) 756-1211.

Dr Gregory W Thomas is licensed to practice in California (license number G46138) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1326192816.

Contact Information

Dr Gregory W Thomas, MD
1 Grand Ave, California Polytechnic State University San Luis Obispo,
San Luis Obispo, CA 93407-0210
(805) 756-1211
(805) 756-5298

Map and Direction




Physician's Profile

Full NameDr Gregory W Thomas
GenderMale
SpecialityFamily Medicine
Location1 Grand Ave, San Luis Obispo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1326192816
  • Provider Enumeration Date: 01/22/2007
  • Last Update Date: 08/08/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 0840298337
  • Enrollment ID: I20161110000680

Medical Identifiers

Medical identifiers for Dr Gregory W Thomas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326192816NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine G46138 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Gregory W Thomas allows following entities to bill medicare on his behalf.
Entity NameCounty Of San Luis Obispo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134287634
PECOS PAC ID: 9032020094
Enrollment ID: O20050407000794

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Gregory W Thomas is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Gregory W Thomas, MD
116 Cerro Romauldo Ave,
San Luis Obispo, CA 93405-1273

Ph: (805) 544-6147		Dr Gregory W Thomas, MD
1 Grand Ave, California Polytechnic State University San Luis Obispo,
San Luis Obispo, CA 93407-0210

Ph: (805) 756-1211

Reviews and Comments


Family Medicine Doctors in San Luis Obispo, CA

Michael Angelo Viggianelli, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: Hwy 1 California Mens Colony, San Luis Obispo, CA 93409
Phone: 805-547-7911    
Jacqueline Nicole Mariano Gallardo, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 892 Aerovista Pl Ste 210, San Luis Obispo, CA 93401
Phone: 805-549-8023    Fax: 805-549-8252
George S Kienle, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1555 Higuera St, San Luis Obispo, CA 93401
Phone: 805-543-4043    Fax: 805-543-4427
Lisa Brazil, C.F.N.P.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 35 Casa St Ste 320, San Luis Obispo, CA 93405
Phone: 805-250-4844    Fax: 057-850-3568
Rodolfo Castillo-ruiz, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1551 Bishop St, 160, San Luis Obispo, CA 93401
Phone: 805-269-1500    Fax: 805-269-1585
Dr. Jonathan Stanley Hamrick, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 47 Santa Rosa St, 47 Santa Rosa, San Luis Obispo, CA 93405
Phone: 805-542-9956    Fax: 805-594-1436
Dr. Richard V Ascoli, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1 Grand Ave, San Luis Obispo, CA 93407
Phone: 805-756-1211    Fax: 805-756-5298

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.