Dr Loc Dac Bui, MD - Medicare Internal Medicine in Westminster, CA

Dr Loc Dac Bui, MD is a medicare enrolled "Internal Medicine" physician in Westminster, California. He graduated from medical school in 1972 and has 52 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 8900 Bolsa Ave, Suite B, Westminster, California. You can reach out to his office (for appointments etc.) via phone at (714) 897-2623.

Dr Loc Dac Bui is licensed to practice in California (license number A50198) 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 1023081387.

Contact Information

Dr Loc Dac Bui, MD
8900 Bolsa Ave, Suite B,
Westminster, CA 92683-5475
(714) 897-2623
(714) 379-0343

Map and Direction




Physician's Profile

Full NameDr Loc Dac Bui
GenderMale
SpecialityInternal Medicine
Experience52 Years
Location8900 Bolsa Ave, Westminster, 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 Loc Dac Bui graduated from medical school in 1972
  NPI Data:
  • NPI Number: 1023081387
  • Provider Enumeration Date: 02/08/2006
  • Last Update Date: 05/13/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 3577759034
  • Enrollment ID: I20101123000285

Medical Identifiers

Medical identifiers for Dr Loc Dac Bui such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023081387NPI-NPPES
00A501980MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A50198 (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 Loc Dac Bui allows following entities to bill medicare on his behalf.
Entity NameLoc Dac Bui M.d., A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245531649
PECOS PAC ID: 0042406506
Enrollment ID: O20101123000254

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 Loc Dac Bui 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 Loc Dac Bui, MD
8900 Bolsa Ave, Suite B,
Westminster, CA 92683-5475

Ph: (714) 897-2623
Dr Loc Dac Bui, MD
8900 Bolsa Ave, Suite B,
Westminster, CA 92683-5475

Ph: (714) 897-2623

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.