Viet Lac Bui, MD, PHD - Medicare Internal Medicine in Torrance, CA

Viet Lac Bui, MD, PHD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Torrance, California. His current practice location is 1000 W Carson St # 470, Torrance, California. You can reach out to his office (for appointments etc.) via phone at (310) 222-3697.

Viet Lac Bui is licensed to practice in California (license number A128401) 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 1396092227.

Contact Information

Viet Lac Bui, MD, PHD
1000 W Carson St # 470,
Torrance, CA 90502-2059
(310) 222-3697
(310) 782-0595

Map and Direction




Physician's Profile

Full NameViet Lac Bui
GenderMale
SpecialityInternal Medicine - Rheumatology
Location1000 W Carson St # 470, Torrance, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1396092227
  • Provider Enumeration Date: 08/09/2012
  • Last Update Date: 11/26/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 9638441231
  • Enrollment ID: I20170816003427

Medical Identifiers

Medical identifiers for Viet Lac Bui such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396092227NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology A128401 (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. Viet Lac Bui allows following entities to bill medicare on his behalf.
Entity NameThe Regents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235107566
PECOS PAC ID: 1355248584
Enrollment ID: O20031223000439

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. Viet Lac 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
Viet Lac Bui, MD, PHD
1000 W Carson St # 470,
Torrance, CA 90502-2059

Ph: (310) 222-3697
Viet Lac Bui, MD, PHD
1000 W Carson St # 470,
Torrance, CA 90502-2059

Ph: (310) 222-3697

Reviews and Comments


Internal Medicine Doctors in Torrance, CA

Dr. Sarah E Tomassetti, M.D.
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Phone: 323-434-4626    Fax: 310-693-8082
Paul J Brown, M.D.
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Practice Location: 3333 Skypark Dr, Torrance, CA 90505
Phone: 310-517-9006    

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.