Dr Thomas Najarian, MD - Internal Medicine in Los Osos, CA

Dr Thomas Najarian, MD is a Internal Medicine - Endocrinology, Diabetes & Metabolism physician based in Los Osos, California. Dr Thomas Najarian is licensed to practice in California (license number G86035) and his current practice location is 2280 Sunset Dr, Ste D, Los Osos, California. He can be reached at his office (for appointments etc.) via phone at (805) 528-0650.

NPI number for Dr Thomas Najarian is 1023033115 and his current mailing address is 2787 Rodman Dr, Los Osos, California. He does not participate in medicare program and thus does not accept medicare assignments. His NPI Number is 1023033115.

Contact Information

Dr Thomas Najarian, MD
2280 Sunset Dr, Ste D,
Los Osos, CA 93402-4007
(805) 528-0650
(805) 528-1690

Map and Direction




Physician's Profile

Full NameDr Thomas Najarian
GenderMale
SpecialityInternal Medicine - Endocrinology, Diabetes & Metabolism
Location2280 Sunset Dr, Los Osos, California
Accepts Medicare AssignmentsDoes not participate in Medicare Program. He may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1023033115
  • Provider Enumeration Date: 07/12/2006
  • Last Update Date: 07/08/2007

Medical Identifiers

Medical identifiers for Dr Thomas Najarian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023033115NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine G86035 (California)Primary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism G86035 (California)Primary

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 Thomas Najarian is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Thomas Najarian, MD
2787 Rodman Dr,
Los Osos, CA 93402-4323

Ph: () -
Dr Thomas Najarian, MD
2280 Sunset Dr, Ste D,
Los Osos, CA 93402-4007

Ph: (805) 528-0650

Reviews and Comments


Internal Medicine Doctors in Los Osos, CA

Dr. Richard Edward Heather, MD
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: 2035 9th St, Suite A, Los Osos, CA 93402
Phone: 805-528-1812    Fax: 805-528-1843
Dr. Robert H Schingler, MD
Endocrinology, Diabetes & Metabolism
Medicare: May Accept Medicare Assignments
Practice Location: 2238 Bayview Heights Drive, Suite G, Los Osos, CA 93402
Phone: 805-534-1305    Fax: 805-534-1347

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.