Dr William Irwin Brenner, MD - Medicare Cardiac Surgery in Los Angeles, CA

Dr William Irwin Brenner, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Los Angeles, California. He went to New York University School Of Medicine and graduated in 1969 and has 55 years of diverse experience with area of expertise as Cardiac Surgery. He is a member of the group practice The Regents Of The University Of California and his current practice location is 757 Westwood Plz Ste 8501, Los Angeles, California. You can reach out to his office (for appointments etc.) via phone at (310) 206-8232.

Dr William Irwin Brenner is licensed to practice in California (license number G25702) 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 1760770259.

Contact Information

Dr William Irwin Brenner, MD
757 Westwood Plz Ste 8501,
Los Angeles, CA 90095-3310
(310) 206-8232
(310) 825-7473

Map and Direction




Physician's Profile

Full NameDr William Irwin Brenner
GenderMale
SpecialityCardiac Surgery
Experience55 Years
Location757 Westwood Plz Ste 8501, Los Angeles, 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 William Irwin Brenner attended and graduated from New York University School Of Medicine in 1969
  NPI Data:
  • NPI Number: 1760770259
  • Provider Enumeration Date: 07/18/2011
  • Last Update Date: 11/18/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7315996733
  • Enrollment ID: I20121113000221

Medical Identifiers

Medical identifiers for Dr William Irwin Brenner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760770259NPI-NPPES
1760770259MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) G25702 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ronald Reagan Ucla Medical CenterLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Regents Of The University Of California387057357917

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 Irwin Brenner 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: 1912963232
PECOS PAC ID: 3870573579
Enrollment ID: O20040722001316

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 Irwin Brenner 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 Irwin Brenner, MD
5767 W Century Blvd Ste 400,
Los Angeles, CA 90045-5631

Ph: () -
Dr William Irwin Brenner, MD
757 Westwood Plz Ste 8501,
Los Angeles, CA 90095-3310

Ph: (310) 206-8232

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Los Angeles, CA

Dr. Jack Sun, MD, MSC
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 1520 San Pablo St, Los Angeles, CA 90033
Phone: 323-442-5907    
Dr. Sanjeet Girish Patel, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1520 San Pablo St Ste 4300, Los Angeles, CA 90033
Phone: 323-442-5849    
Dr. Wen Cheng, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 8700 Beverly Blvd, Los Angeles, CA 90048
Phone: 310-423-3851    Fax: 310-423-0127
Thomas A. Pfeffer, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Medicare Enrolled
Practice Location: 4733 W Sunset Blvd, Los Angeles, CA 90027
Phone: 323-783-4011    
Dr. Jonathan Aaron Praeger, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 1520 San Pablo St Ste 4300, Los Angeles, CA 90033
Phone: 323-442-5849    
Dr. Luke Mckee Wiggins, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 4650 W Sunset Blvd # Ms 66, Los Angeles, CA 90027
Phone: 323-361-5595    
Kwok Yun, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
Medicare: Accepting Medicare Assignments
Practice Location: 4733 W Sunset Blvd, Los Angeles, CA 90027
Phone: 323-783-4011    

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.