Elyssa Summer Mccormack, PA-C - Medicare Physician Assistant in Fullerton, CA

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Elyssa Summer Mccormack, PA-C is a medicare enrolled "Physician Assistant" in Fullerton, California. Her current practice location is 101 E Valencia Mesa Dr, Fullerton, California. You can reach out to her office (for appointments etc.) via phone at (714) 626-8500.

Elyssa Summer Mccormack is licensed to practice in California (license number PA58537) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1710593397.

Contact Information

Elyssa Summer Mccormack, PA-C
101 E Valencia Mesa Dr,
Fullerton, CA 92835-3809
(714) 626-8500
Not Available

Map and Direction




Provider's Profile

Full NameElyssa Summer Mccormack
GenderFemale
SpecialityPhysician Assistant
Location101 E Valencia Mesa Dr, Fullerton, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1710593397
  • Provider Enumeration Date: 09/19/2020
  • Last Update Date: 01/26/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 4688087703
  • Enrollment ID: I20210111001575

Medical Identifiers

Medical identifiers for Elyssa Summer Mccormack such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710593397NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant PA58537 (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. Elyssa Summer Mccormack allows following entities to bill medicare on her behalf.
Entity NameSt Jude Emergency Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720190804
PECOS PAC ID: 8224923479
Enrollment ID: O20040217001064
Entity NameMichael S. Agron, M.D., Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699716100
PECOS PAC ID: 2668360736
Enrollment ID: O20040707000788
Entity NameFountain Valley Emergency Physicians, P.C.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639698475
PECOS PAC ID: 5597031518
Enrollment ID: O20171019000371

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. Elyssa Summer Mccormack 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
Elyssa Summer Mccormack, PA-C
101 E Valencia Mesa Dr,
Fullerton, CA 92835-3809

Ph: (714) 626-8500		Elyssa Summer Mccormack, PA-C
101 E Valencia Mesa Dr,
Fullerton, CA 92835-3809

Ph: (714) 626-8500

Reviews and Comments


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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.