Dr Cynthia Williams, MD - Medicare Endocrinology in Torrance, CA

Dr Cynthia Williams, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Torrance, California. She went to Ohio State University College Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as Endocrinology. Her current practice location is 23560 Madison St., Suite 103, Torrance, California. You can reach out to her office (for appointments etc.) via phone at (310) 325-9200.

Dr Cynthia Williams is licensed to practice in California (license number G75853) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1265485049.

Contact Information

Dr Cynthia Williams, MD
23560 Madison St., Suite 103,
Torrance, CA 90505-4709
(310) 325-9200
(310) 325-9201

Map and Direction




Physician's Profile

Full NameDr Cynthia Williams
GenderFemale
SpecialityEndocrinology
Experience37 Years
Location23560 Madison St., Torrance, California
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Cynthia Williams attended and graduated from Ohio State University College Of Medicine in 1987
  NPI Data:
  • NPI Number: 1265485049
  • Provider Enumeration Date: 05/19/2006
  • Last Update Date: 12/01/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 4981600905
  • Enrollment ID: I20061016000301

Medical Identifiers

Medical identifiers for Dr Cynthia Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265485049NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism G75853 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Silverado HospiceBurbank, CAHospice
Torrance Memorial Medical CenterTorrance, CAHospital
Providence Little Company Of Mary Med Ctr TorranceTorrance, CAHospital

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 Cynthia Williams allows following entities to bill medicare on her behalf.
Entity NameCynthia Williams Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205947686
PECOS PAC ID: 4880690809
Enrollment ID: O20061016000309

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 Cynthia Williams 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 Cynthia Williams, MD
23560 Madison St, Suite 103,
Torrance, CA 90505-4708

Ph: (310) 325-9200
Dr Cynthia Williams, MD
23560 Madison St., Suite 103,
Torrance, CA 90505-4709

Ph: (310) 325-9200

Reviews and Comments


Internal Medicine Doctors in Torrance, CA

Dr. Sarah E Tomassetti, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 1000 W Carson St # N18, Torrance, CA 90502
Phone: 310-745-2882    
Deborah Chon, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3445 Pacific Coast Hwy Ste 100, Torrance, CA 90505
Phone: 310-542-6333    
Erika Joyce Kalash, D.O.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3565 Del Amo Blvd, Torrance, CA 90503
Phone: 310-214-0811    
Dr. Christopher Bryan Mayorga, DO
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 1000 W Carson St Bldg N28, Torrance, CA 90502
Phone: 424-306-4446    
Hosayn Khaleeli, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 2245 Sepulveda Blvd, Torrance, CA 90501
Phone: 310-320-3204    Fax: 310-320-0919
Mr. Anthony C Dike, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 20280 S Vermont Ave Ste 215, Torrance, CA 90502
Phone: 323-434-4626    Fax: 310-693-8082
Paul J Brown, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 3333 Skypark Dr, Torrance, CA 90505
Phone: 310-517-9006    

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.