Allen S Fonseca, MD - Medicare Orthopaedic Surgery in Whittier, CA

Allen S Fonseca, MD is a medicare enrolled "Orthopaedic Surgery" physician in Whittier, California. His current practice location is 12446 Washington Blvd, Whittier, California. You can reach out to his office (for appointments etc.) via phone at (562) 464-3033.

Allen S Fonseca is licensed to practice in California (license number G62809) 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 1275691586.

Contact Information

Allen S Fonseca, MD
12446 Washington Blvd,
Whittier, CA 90602-1005
(562) 464-3033
(562) 464-3034

Map and Direction




Physician's Profile

Full NameAllen S Fonseca
GenderMale
SpecialityOrthopaedic Surgery
Location12446 Washington Blvd, Whittier, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1275691586
  • Provider Enumeration Date: 12/05/2006
  • Last Update Date: 11/21/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3971664418
  • Enrollment ID: I20221107000539

Medical Identifiers

Medical identifiers for Allen S Fonseca such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275691586NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery G62809 (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. Allen S Fonseca allows following entities to bill medicare on his behalf.
Entity NameCaribbean Spine And Sports Institute Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104543107
PECOS PAC ID: 2163899030
Enrollment ID: O20221105000055

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. Allen S Fonseca 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
Allen S Fonseca, MD
12446 Washington Blvd,
Whittier, CA 90602-1005

Ph: (562) 464-3033
Allen S Fonseca, MD
12446 Washington Blvd,
Whittier, CA 90602-1005

Ph: (562) 464-3033

Reviews and Comments


Orthopaedic Surgery Doctors in Whittier, CA

Elizabeth J. Mcshane, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 12291 E. Washington Blvd,, Suite 203, Whittier, CA 90606
Phone: 562-698-2200    Fax: 562-698-5282
Dr. Harvey H Chou, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 6712 Friends Ave, Whittier, CA 90601
Phone: 562-945-8873    Fax: 562-945-4324
David A Lewis, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 12462 Putnam St, Suite 402, Whittier, CA 90602
Phone: 562-789-5461    Fax: 562-789-4468
Amir Rounaghi, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 15141 Whittier Blvd, Ste 130, Whittier, CA 90603
Phone: 562-945-2832    
Lee Carl Woods, M.D.
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 13113 Hadley St, Whittier, CA 90601
Phone: 562-907-7682    Fax: 562-698-6075
Andrew Hsiao, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 12462 Putnam St, Suite 402, Whittier, CA 90602
Phone: 562-789-5461    Fax: 562-789-4468

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.