Dr Bijan Nejadnik, MD - Medicare Internal Medicine in San Ramon, CA

Dr Bijan Nejadnik, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in San Ramon, California. His current practice location is 1295 Ustilago Dr, San Ramon, California. You can reach out to his office (for appointments etc.) via phone at (925) 234-0313.

Dr Bijan Nejadnik is licensed to practice in California (license number A64970) 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 1285726646.

Contact Information

Dr Bijan Nejadnik, MD
1295 Ustilago Dr,
San Ramon, CA 94582-3071
(925) 234-0313
Not Available

Map and Direction




Physician's Profile

Full NameDr Bijan Nejadnik
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location1295 Ustilago Dr, San Ramon, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1285726646
  • Provider Enumeration Date: 09/29/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7214938398
  • Enrollment ID: I20070117000220

Medical Identifiers

Medical identifiers for Dr Bijan Nejadnik such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1285726646NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A64970 (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 Bijan Nejadnik allows following entities to bill medicare on his behalf.
Entity NameStanford Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437292927
PECOS PAC ID: 6709797491
Enrollment ID: O20031124000348

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 Bijan Nejadnik 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 Bijan Nejadnik, MD
1295 Ustilago Dr,
San Ramon, CA 94582-3071

Ph: (925) 234-0313
Dr Bijan Nejadnik, MD
1295 Ustilago Dr,
San Ramon, CA 94582-3071

Ph: (925) 234-0313

Reviews and Comments


Internal Medicine Doctors in San Ramon, CA

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Waheed Said Ibrahimi, MD
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Practice Location: 1081 Market Pl Ste 500, San Ramon, CA 94583
Phone: 925-365-7337    Fax: 925-522-4372

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.