Dr William Michael Barreto, MD - Medicare Physical Medicine & Rehabilitation in Torrance, CA

Dr William Michael Barreto, MD is a medicare enrolled "Physical Medicine & Rehabilitation - Pain Medicine" physician in Torrance, California. His current practice location is 23530 Hawthorne Blvd Ste 290, Torrance, California. You can reach out to his office (for appointments etc.) via phone at (424) 903-7007.

Dr William Michael Barreto is licensed to practice in California (license number A91430) 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 1053526285.

Contact Information

Dr William Michael Barreto, MD
23530 Hawthorne Blvd Ste 290,
Torrance, CA 90505-4713
(424) 903-7007
(424) 903-7009

Map and Direction




Physician's Profile

Full NameDr William Michael Barreto
GenderMale
SpecialityPhysical Medicine & Rehabilitation - Pain Medicine
Location23530 Hawthorne Blvd Ste 290, Torrance, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1053526285
  • Provider Enumeration Date: 05/11/2007
  • Last Update Date: 04/03/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2668513961
  • Enrollment ID: I20100108000523

Medical Identifiers

Medical identifiers for Dr William Michael Barreto such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053526285NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2081H0002XPhysical Medicine & Rehabilitation - Hospice And Palliative Medicine A91430 (California)Secondary
2081P2900XPhysical Medicine & Rehabilitation - Pain Medicine A91430 (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 Michael Barreto allows following entities to bill medicare on his behalf.
Entity NameIntegrative Sports And Spine Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245630557
PECOS PAC ID: 7012230212
Enrollment ID: O20141218002535

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 Michael Barreto 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 Michael Barreto, MD
30768 Auberry Rd,
Auberry, CA 93602-9602

Ph: () -
Dr William Michael Barreto, MD
23530 Hawthorne Blvd Ste 290,
Torrance, CA 90505-4713

Ph: (424) 903-7007

Reviews and Comments


Physical Medicine & Rehabilitation Doctors in Torrance, CA

Dr. Eric Tsu, MD
Physical Medicine & Rehabilitation
Medicare: Medicare Enrolled
Practice Location: 5315 Torrance Blvd # B-1, Torrance, CA 90503
Phone: 800-535-8446    
Harrison Ngo,
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 3848 W Carson St Ste 110, Torrance, CA 90503
Phone: 424-488-3191    
Ava Cicio,
Physical Medicine & Rehabilitation
Medicare: Medicare Enrolled
Practice Location: 3848 W Carson St Ste 110, Torrance, CA 90503
Phone: 424-488-3191    Fax: 310-933-4803
Dr. Semyon Faynboym, M.D.
Physical Medicine & Rehabilitation
Medicare: Medicare Enrolled
Practice Location: 19401 S Vermont Ave Ste K100k, Torrance, CA 90502
Phone: 323-638-4263    
Erin Armstrong,
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 2990 Lomita Blvd # B, Torrance, CA 90505
Phone: 310-546-3461    
Dr. Annette Marie Genova, MD
Physical Medicine & Rehabilitation
Medicare: Accepting Medicare Assignments
Practice Location: 3330 Lomita Blvd, Torrance Memorial Medical Center, Torrance, CA 90505
Phone: 310-528-2996    Fax: 310-540-4640

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.