Vivien Ka-ying Chan, MD - Medicare Orthopaedic Surgery in Los Angeles, CA

Vivien Ka-ying Chan, MD is a medicare enrolled "Orthopaedic Surgery - Orthopaedic Surgery Of The Spine" physician in Los Angeles, California. Her current practice location is 444 S San Vicente Blvd Ste 901, Los Angeles, California. You can reach out to her office (for appointments etc.) via phone at (310) 423-9900.

Vivien Ka-ying Chan is licensed to practice in California (license number A184370) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1508564014.

Contact Information

Vivien Ka-ying Chan, MD
444 S San Vicente Blvd Ste 901,
Los Angeles, CA 90048-4174
(310) 423-9900
(310) 428-7399

Map and Direction




Physician's Profile

Full NameVivien Ka-ying Chan
GenderFemale
SpecialityOrthopaedic Surgery - Orthopaedic Surgery Of The Spine
Location444 S San Vicente Blvd Ste 901, Los Angeles, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1508564014
  • Provider Enumeration Date: 02/23/2023
  • Last Update Date: 08/08/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6608236070
  • Enrollment ID: I20230717002343

Medical Identifiers

Medical identifiers for Vivien Ka-ying Chan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1508564014NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery A184370 (California)Secondary
207T00000XNeurological Surgery 026768 (ZZ)Secondary
207XS0117XOrthopaedic Surgery - Orthopaedic Surgery Of The Spine A184370 (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. Vivien Ka-ying Chan allows following entities to bill medicare on her behalf.
Entity NameThe Regents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538125844
PECOS PAC ID: 1355249491
Enrollment ID: O20031226000291

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. Vivien Ka-ying Chan 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
Vivien Ka-ying Chan, MD
4140 W 190th St,
Torrance, CA 90504-5513

Ph: () -
Vivien Ka-ying Chan, MD
444 S San Vicente Blvd Ste 901,
Los Angeles, CA 90048-4174

Ph: (310) 423-9900

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.