Dr Alexander C Wai, MD - Medicare Diagnostic Radiology in Oakland, CA

Dr Alexander C Wai, MD is a medicare enrolled "Radiology - Pediatric Radiology" physician in Oakland, California. He graduated from medical school in 1999 and has 25 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Ucsf Medical Group Business Services and his current practice location is 747 52nd St, Oakland, California. You can reach out to his office (for appointments etc.) via phone at (510) 428-3410.

Dr Alexander C Wai is licensed to practice in California (license number A92505) 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 1629023999.

Contact Information

Dr Alexander C Wai, MD
747 52nd St,
Oakland, CA 94609-1809
(510) 428-3410
(510) 601-3968

Map and Direction




Physician's Profile

Full NameDr Alexander C Wai
GenderMale
SpecialityDiagnostic Radiology
Experience25 Years
Location747 52nd St, Oakland, 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 Alexander C Wai graduated from medical school in 1999
  NPI Data:
  • NPI Number: 1629023999
  • Provider Enumeration Date: 05/24/2006
  • Last Update Date: 10/09/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 6800846668
  • Enrollment ID: I20160322001704

Medical Identifiers

Medical identifiers for Dr Alexander C Wai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629023999NPI-NPPES
00A925050MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085P0229XRadiology - Pediatric Radiology A92505 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ucsf Medical Group Business Services37794978701064

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 Alexander C Wai allows following entities to bill medicare on his behalf.
Entity NameUniversity Of California San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861578973
PECOS PAC ID: 4486567229
Enrollment ID: O20031212000897
Entity NameUcsf Medical Group Business Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477624104
PECOS PAC ID: 3779497870
Enrollment ID: O20040622001513

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 Alexander C Wai 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 Alexander C Wai, MD
Po Box 6102,
Novato, CA 94948-6102

Ph: (415) 884-3404
Dr Alexander C Wai, MD
747 52nd St,
Oakland, CA 94609-1809

Ph: (510) 428-3410

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.