Brett Hadley, DO - Medicare Emergency Medicine in Aliso Viejo, CA

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Brett Hadley, DO is a medicare enrolled "Emergency Medicine" physician in Aliso Viejo, California. His current practice location is 35 Argonaut, Suite B-2, Aliso Viejo, California. You can reach out to his office (for appointments etc.) via phone at (801) 367-9019.

Brett Hadley is licensed to practice in Pennsylvania (license number OT013416) 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 1932499829.

Contact Information

Brett Hadley, DO
35 Argonaut, Suite B-2,
Aliso Viejo, CA 92656-4151
(801) 367-9019
(949) 770-2630

Map and Direction




Physician's Profile

Full NameBrett Hadley
GenderMale
SpecialityEmergency Medicine
Location35 Argonaut, Aliso Viejo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1932499829
  • Provider Enumeration Date: 04/12/2011
  • Last Update Date: 07/30/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 0840449336
  • Enrollment ID: I20140604002647

Medical Identifiers

Medical identifiers for Brett Hadley such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932499829NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine OT013416 (Pennsylvania)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. Brett Hadley allows following entities to bill medicare on his behalf.
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520
Entity NameTemecula Valley Emergency Medical Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407845092
PECOS PAC ID: 0345206405
Enrollment ID: O20041209000758
Entity NameTemecula Valley Emergency Physicians Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407281223
PECOS PAC ID: 2769619097
Enrollment ID: O20131212000952
Entity NameCorona Regional Emergency Medical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134629298
PECOS PAC ID: 9133481484
Enrollment ID: O20180326001396
Entity NameEm Alliance California Apc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376305755
PECOS PAC ID: 1951749894
Enrollment ID: O20240410003580

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. Brett Hadley 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
Brett Hadley, DO
35 Argonaut, Suite B-2,
Aliso Viejo, CA 92656-4151

Ph: (801) 367-9019		Brett Hadley, DO
35 Argonaut, Suite B-2,
Aliso Viejo, CA 92656-4151

Ph: (801) 367-9019

Reviews and Comments


Emergency Medicine Doctors in Aliso Viejo, CA

Dr. Scott Lyman Shreeve, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 58 Groveside Dr, Aliso Viejo, CA 92656
Phone: 194-923-5937    

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.