Anthony John E Castanares, OD - Medicare Optometrist in Dublin, CA

Anthony John E Castanares, OD is a medicare enrolled "Optometrist" provider in Dublin, California. He went to Southern California College Of Optometry and graduated in 2017 and has 7 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Permanente Medical Group Inc and his current practice location is 7763 Squirrel Creek Cir, Dublin, California. You can reach out to his office (for appointments etc.) via phone at (925) 548-6143.

Anthony John E Castanares is licensed to practice in California (license number 33918TLG) 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 1235629361.

Contact Information

Anthony John E Castanares, OD
7763 Squirrel Creek Cir,
Dublin, CA 94568
(925) 548-6143
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameAnthony John E Castanares
GenderMale
SpecialityOptometry
Experience7 Years
Location7763 Squirrel Creek Cir, Dublin, 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:
  • Anthony John E Castanares attended and graduated from Southern California College Of Optometry in 2017
  NPI Data:
  • NPI Number: 1235629361
  • Provider Enumeration Date: 05/15/2018
  • Last Update Date: 05/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 3779834874
  • Enrollment ID: I20190903000552

Medical Identifiers

Medical identifiers for Anthony John E Castanares such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235629361NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 33918TLG (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102257800

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. Anthony John E Castanares allows following entities to bill medicare on his behalf.
Provider NamePermanente Medical Group Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Provider NameSociety For The Blind
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1083718100
PECOS PAC ID: 4789723446
Enrollment ID: O20091209000565

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. Anthony John E Castanares 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
Anthony John E Castanares, OD
7763 Squirrel Creek Cir,
Dublin, CA 94568-3718

Ph: (925) 548-6143
Anthony John E Castanares, OD
7763 Squirrel Creek Cir,
Dublin, CA 94568

Ph: (925) 548-6143

Reviews and Comments


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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.