William Ruxi Zhang, MD - Medicare Dermatology in Torrance, CA

William Ruxi Zhang, MD is a medicare enrolled "Dermatology" physician in Torrance, California. His current practice location is 2780 Skypark Dr Ste 110, Torrance, California. You can reach out to his office (for appointments etc.) via phone at (310) 265-8422.

William Ruxi Zhang is licensed to practice in California (license number A178954) 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 1679034649.

Contact Information

William Ruxi Zhang, MD
2780 Skypark Dr Ste 110,
Torrance, CA 90505-7528
(310) 265-8422
Not Available

Map and Direction




Physician's Profile

Full NameWilliam Ruxi Zhang
GenderMale
SpecialityDermatology
Location2780 Skypark Dr Ste 110, Torrance, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1679034649
  • Provider Enumeration Date: 03/30/2019
  • Last Update Date: 10/02/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5395158075
  • Enrollment ID: I20230817003635

Medical Identifiers

Medical identifiers for William Ruxi Zhang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679034649NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207N00000XDermatology A178954 (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. William Ruxi Zhang allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678
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. William Ruxi Zhang 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
William Ruxi Zhang, MD
5767 W Century Blvd Ste 400,
Los Angeles, CA 90045-5631

Ph: (310) 301-8707
William Ruxi Zhang, MD
2780 Skypark Dr Ste 110,
Torrance, CA 90505-7528

Ph: (310) 265-8422

Reviews and Comments


Dermatology Doctors in Torrance, CA

Dr. Richard Alan Yamamoto, M.D.
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Gary S Chuang, M.D.
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Dr. Reyhaneh Hamidi, MD
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Dr. Kurt F Pickus, M.D.
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Phone: 310-530-5451    
Dr. Julia May Kwan, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 23451 Madison St Ste 300, Torrance, CA 90505
Phone: 310-375-9994    Fax: 310-375-0789

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.