Dr William Chenwei Wu, DO - Medicare Emergency Medicine in Sonora, CA

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Dr William Chenwei Wu, DO is a medicare enrolled "Emergency Medicine" physician in Sonora, California. His current practice location is 1000 Greenley Rd, Sonora, California. You can reach out to his office (for appointments etc.) via phone at (209) 263-0803.

Dr William Chenwei Wu is licensed to practice in California (license number 20A-10610) 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 1558567826.

Contact Information

Dr William Chenwei Wu, DO
1000 Greenley Rd,
Sonora, CA 95370-5200
(209) 263-0803
Not Available

Map and Direction




Physician's Profile

Full NameDr William Chenwei Wu
GenderMale
SpecialityEmergency Medicine
Location1000 Greenley Rd, Sonora, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1558567826
  • Provider Enumeration Date: 06/25/2007
  • Last Update Date: 12/03/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6507098589
  • Enrollment ID: I20140404001129

Medical Identifiers

Medical identifiers for Dr William Chenwei Wu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558567826NPI-NPPES
1558567826OtherCAMEDI-CAL
CA116901OtherCAMEDICARE
20A-10610OtherCAMEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 20A-10610 (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 William Chenwei Wu 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 NameSierra Emergency Medical Group, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871732933
PECOS PAC ID: 2860542479
Enrollment ID: O20090602000429

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 William Chenwei Wu 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 William Chenwei Wu, DO
1000 Greenley Rd,
Sonora, CA 95370-5200

Ph: (209) 263-0803		Dr William Chenwei Wu, DO
1000 Greenley Rd,
Sonora, CA 95370-5200

Ph: (209) 263-0803

Reviews and Comments


Emergency Medicine Doctors in Sonora, CA

Dr. Christian Lee Mullins, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: Sonora Regional Medical Center Emergency Dept, 1000 Greenley Rd, Sonora, CA 95370
Phone: 209-536-3460    
Dr. Blake H Cleveland, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 39 N Washington St, Sonora, CA 95370
Phone: 209-532-1326    
Dr. Stephanie Stuart, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Greenley Rd, Department Of Emergency Medicine, Sonora, CA 95370
Phone: 209-532-5000    
Dr. Donald P. Dudley, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1000 Greenley Rd, Sonora, CA 95370
Phone: 209-536-3460    
Dr. Steven Martin Joye, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1000 Greenley Rd, Sonora, CA 95370
Phone: 209-532-5000    
Dr. William Stuart Bowie, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 14540 Mono Way, Sonora, CA 95370
Phone: 209-532-3167    

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.