Dr Lancelot L Williams, MD - Medicare Anesthesiology in Whittier, CA

Dr Lancelot L Williams, MD is a medicare enrolled "Anesthesiology" physician in Whittier, California. He went to Boston University School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Pih Health Physicians and his current practice location is 12401 Washington Blvd, Whittier, California. You can reach out to his office (for appointments etc.) via phone at (562) 698-0811.

Dr Lancelot L Williams is licensed to practice in California (license number A46503) 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 1053372763.

Contact Information

Dr Lancelot L Williams, MD
12401 Washington Blvd,
Whittier, CA 90602-1006
(562) 698-0811
Not Available

Map and Direction




Physician's Profile

Full NameDr Lancelot L Williams
GenderMale
SpecialityAnesthesiology
Experience36 Years
Location12401 Washington Blvd, Whittier, 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 Lancelot L Williams attended and graduated from Boston University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1053372763
  • Provider Enumeration Date: 03/31/2006
  • Last Update Date: 08/21/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 8527956630
  • Enrollment ID: I20040309001489

Medical Identifiers

Medical identifiers for Dr Lancelot L Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053372763NPI-NPPES
00A465030MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A46503 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Pih Health Hospital-whittierWhittier, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pih Health Physicians8426951328445

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 Lancelot L Williams allows following entities to bill medicare on his behalf.
Entity NamePih Health Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609233899
PECOS PAC ID: 8426951328
Enrollment ID: O20040128001177
Entity NameIntercommunity Anesthesiology Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902144223
PECOS PAC ID: 0244484533
Enrollment ID: O20130214000427

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 Lancelot L 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 Lancelot L Williams, MD
Po Box 3129,
Torrance, CA 90510-3129

Ph: (310) 792-3914
Dr Lancelot L Williams, MD
12401 Washington Blvd,
Whittier, CA 90602-1006

Ph: (562) 698-0811

Reviews and Comments


Anesthesiology Doctors in Whittier, CA

Mrs. Luz G Ramirez, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 9080 Colima Road, Whittier, CA 90605
Phone: 562-945-3561    Fax: 562-696-3193
John Randall Coleman, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 12401 Washington Blvd, Whittier, CA 90602
Phone: 562-698-0811    
Dr. Henry Cola, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 12401 Washington Blvd, Whittier, CA 90602
Phone: 562-698-0811    
Dr. Thomas Chien Lee, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 12401 Washington Blvd, Whittier, CA 90602
Phone: 562-698-0811    
Dr. George Glenn Izmirian, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 15141 Whittier Blvd, Whittier, CA 90603
Phone: 562-945-2832    
Mr. Edward H Lee, D.O.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 9080 Colima Rd, Whittier, CA 90605
Phone: 562-945-3561    

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.