Siamak Elyasi, MD - Medicare Family Practice in Pittsburg, CA

Siamak Elyasi, MD is a medicare enrolled "Family Medicine" physician in Pittsburg, California. He graduated from medical school in 1976 and has 48 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Pittsburg Antioch Medical Group A Professional Corporation and his current practice location is 2220 Gladstone Dr, Suite 3, Pittsburg, California. You can reach out to his office (for appointments etc.) via phone at (925) 779-9601.

Siamak Elyasi is licensed to practice in California (license number A50205) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1467407809.

Contact Information

Siamak Elyasi, MD
2220 Gladstone Dr, Suite 3,
Pittsburg, CA 94565-5123
(925) 779-9601
(925) 432-4590

Map and Direction




Physician's Profile

Full NameSiamak Elyasi
GenderMale
SpecialityFamily Practice
Experience48 Years
Location2220 Gladstone Dr, Pittsburg, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Siamak Elyasi graduated from medical school in 1976
  NPI Data:
  • NPI Number: 1467407809
  • Provider Enumeration Date: 05/24/2006
  • Last Update Date: 08/26/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 8426060195
  • Enrollment ID: I20080715000935

Medical Identifiers

Medical identifiers for Siamak Elyasi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467407809NPI-NPPES
00A502050MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine A50205 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pittsburg Antioch Medical Group A Professional Corporation317353584615

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. Siamak Elyasi allows following entities to bill medicare on his behalf.
Entity NamePittsburg Antioch Medical Group A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619922911
PECOS PAC ID: 3173535846
Enrollment ID: O20060620000202

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. Siamak Elyasi 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
Siamak Elyasi, MD
2220 Gladstone Dr, Ste 3,
Pittsburg, CA 94565-5123

Ph: (925) 779-9601
Siamak Elyasi, MD
2220 Gladstone Dr, Suite 3,
Pittsburg, CA 94565-5123

Ph: (925) 779-9601

Reviews and Comments


Family Medicine Doctors in Pittsburg, CA

Charles Som, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2240 Gladstone Drive, Suite 4, Pittsburg, CA 94565
Phone: 209-558-7227    
Adolfo Romero-duran, M.D
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2311 Loveridge Rd, Pittsburg, CA 94565
Phone: 925-431-2300    
Dr. Deborah Simon-weisberg, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2311 Loveridge Rd, Pittsburg, CA 94565
Phone: 925-431-2300    Fax: 925-431-2528
Dr. Joan Faith Hoffman, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2240 Gladstone Dr. #4, La Clinica - Pittsburg, Pittsburg, CA 94565
Phone: 925-431-1230    Fax: 707-442-6602
Eureka Wu, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2311 Loveridge Rd, Pittsburg, CA 94565
Phone: 800-495-8885    
Gustavo Antonio Curbelo, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2240 Gladstone Drive, Ste 4, Pittsburg, CA 94565
Phone: 925-431-2100    Fax: 925-431-1234

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.