Dr William Martin Carrera, MD - Medicare Ophthalmology in Oakland, CA

Dr William Martin Carrera, MD is a medicare enrolled "Ophthalmology" physician in Oakland, California. His current practice location is 3300 Telegraph Ave, Oakland, California. You can reach out to his office (for appointments etc.) via phone at (510) 444-1600.

Dr William Martin Carrera is licensed to practice in California (license number A158123) 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 1679014013.

Contact Information

Dr William Martin Carrera, MD
3300 Telegraph Ave,
Oakland, CA 94609-3028
(510) 444-1600
(510) 444-5117

Map and Direction




Physician's Profile

Full NameDr William Martin Carrera
GenderMale
SpecialityOphthalmology
Location3300 Telegraph Ave, Oakland, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1679014013
  • Provider Enumeration Date: 03/18/2017
  • Last Update Date: 07/16/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5092086504
  • Enrollment ID: I20220608001859

Medical Identifiers

Medical identifiers for Dr William Martin Carrera such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679014013NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207WX0107XOphthalmology - Retina Specialist A158123 (California)Secondary
207W00000XOphthalmology A158123 (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 William Martin Carrera allows following entities to bill medicare on his behalf.
Entity NamePratt Ophthalmology Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083660534
PECOS PAC ID: 8628960218
Enrollment ID: O20040329000101
Entity NameOphthalmic Consultants Of Boston Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932146594
PECOS PAC ID: 4789651498
Enrollment ID: O20040913001012

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 William Martin Carrera 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 William Martin Carrera, MD
3300 Telegraph Ave,
Oakland, CA 94609-3028

Ph: (510) 444-1600
Dr William Martin Carrera, MD
3300 Telegraph Ave,
Oakland, CA 94609-3028

Ph: (510) 444-1600

Reviews and Comments


Ophthalmology Doctors in Oakland, CA

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Practice Location: 350 30th St, Suite 444, Oakland, CA 94609
Phone: 510-832-8080    Fax: 510-832-8081
Dr. John Carter Alden, MD
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Practice Location: 350 30th Street, Suite 444, Oakland, CA 94609
Phone: 510-452-2020    Fax: 510-452-2091
Dr. Richard Hoo Lee Jr., MD
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Practice Location: 491 30th St Suite #201, Oakland, CA 94609
Phone: 510-836-2122    Fax: 510-836-3773
Amater Zeale Traylor Jr., MD
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Medicare: Medicare Enrolled
Practice Location: 5682 Adeline Street, Oakland, CA 94608
Phone: 510-655-5385    Fax: 510-601-9351

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.