Dr Thomas Antonios Zikos, MD - Medicare Internal Medicine in Stanford, CA

Dr Thomas Antonios Zikos, MD is a medicare enrolled "Internal Medicine" physician in Stanford, California. He went to University Of Pittsburgh School Of Medicine and graduated in 2012 and has 12 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Southern California Permanente Medical Group and his current practice location is 300 Pasteur Dr, Grant S101, Stanford, California. You can reach out to his office (for appointments etc.) via phone at (650) 723-6661.

Dr Thomas Antonios Zikos is licensed to practice in California (license number A126604) 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 1801162904.

Contact Information

Dr Thomas Antonios Zikos, MD
300 Pasteur Dr, Grant S101,
Stanford, CA 94305-2200
(650) 723-6661
(650) 498-6205

Map and Direction




Physician's Profile

Full NameDr Thomas Antonios Zikos
GenderMale
SpecialityInternal Medicine
Experience12 Years
Location300 Pasteur Dr, Stanford, 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:
  • Dr Thomas Antonios Zikos attended and graduated from University Of Pittsburgh School Of Medicine in 2012
  NPI Data:
  • NPI Number: 1801162904
  • Provider Enumeration Date: 03/22/2012
  • Last Update Date: 11/29/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 2961715727
  • Enrollment ID: I20150722005261

Medical Identifiers

Medical identifiers for Dr Thomas Antonios Zikos such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801162904NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A126604 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - West LaLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291758172

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 Thomas Antonios Zikos allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678
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 Thomas Antonios Zikos 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 Thomas Antonios Zikos, MD
300 Pasteur Dr, Grant S101,
Stanford, CA 94305-2200

Ph: (650) 723-6661
Dr Thomas Antonios Zikos, MD
300 Pasteur Dr, Grant S101,
Stanford, CA 94305-2200

Ph: (650) 723-6661

Reviews and Comments


Internal Medicine Doctors in Stanford, CA

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Lauren Michelle Ulsh, MD
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Ann M Chen, MD
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Phone: 650-725-3376    Fax: 650-723-8305

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.