Freddie Alvin Williams Jr, MD - Medicare Anesthesiology in La, CA

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Freddie Alvin Williams Jr, MD is a medicare enrolled "Anesthesiology" physician in La, California. His current practice location is 4060 Whittier Blvd, La, California. You can reach out to his office (for appointments etc.) via phone at (323) 268-5514.

Freddie Alvin Williams Jr is licensed to practice in California (license number A53688) 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 1255369450.

Contact Information

Freddie Alvin Williams Jr, MD
4060 Whittier Blvd,
La, CA 90023-3526
(323) 268-5514
(323) 296-8613

Map and Direction




Physician's Profile

Full NameFreddie Alvin Williams Jr
GenderMale
SpecialityAnesthesiology
Location4060 Whittier Blvd, La, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1255369450
  • Provider Enumeration Date: 06/28/2006
  • Last Update Date: 03/14/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 1052597895
  • Enrollment ID: I20110512000404

Medical Identifiers

Medical identifiers for Freddie Alvin Williams Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255369450NPI-NPPES
00A536880OtherCABLUE SHIELD
00A536880MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A53688 (California)Primary
208VP0000XPain Medicine - Pain Medicine A53688 (California)Secondary
208VP0014XPain Medicine - Interventional Pain Medicine A53688 (California)Secondary

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. Freddie Alvin Williams Jr allows following entities to bill medicare on his behalf.
Entity NameCounty of Los Angeles
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1780877613
PECOS PAC ID: 1850296534
Enrollment ID: O20090713000358

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. Freddie Alvin Williams Jr 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
Freddie Alvin Williams Jr, MD
Po Box 1229,
So Pasadena, CA 91031-1229

Ph: (213) 842-4354		Freddie Alvin Williams Jr, MD
4060 Whittier Blvd,
La, CA 90023-3526

Ph: (323) 268-5514

Reviews and Comments



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.