Brian Casillas, MD - Medicare Emergency Medicine in Goodyear, AZ

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Brian Casillas, MD is a medicare enrolled "Emergency Medicine" physician in Goodyear, Arizona. His current practice location is 13657 W Mcdowell Rd Ste 220, Goodyear, Arizona. You can reach out to his office (for appointments etc.) via phone at (623) 882-1500.

Brian Casillas is licensed to practice in Arizona (license number 71780) 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 1215514310.

Contact Information

Brian Casillas, MD
13657 W Mcdowell Rd Ste 220,
Goodyear, AZ 85395-2603
(623) 882-1500
Not Available

Map and Direction




Physician's Profile

Full NameBrian Casillas
GenderMale
SpecialityEmergency Medicine
Location13657 W Mcdowell Rd Ste 220, Goodyear, Arizona
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1215514310
  • Provider Enumeration Date: 03/25/2021
  • Last Update Date: 07/02/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2567906324
  • Enrollment ID: I20240703001870

Medical Identifiers

Medical identifiers for Brian Casillas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215514310NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 71780 (Arizona)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. Brian Casillas allows following entities to bill medicare on his behalf.
Entity NameEmergency Group Of Arizona Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215275433
PECOS PAC ID: 1355596644
Enrollment ID: O20130313000442
Entity NameArizona Acute Medical Services 1 Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154860674
PECOS PAC ID: 6204113970
Enrollment ID: O20170505001284

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. Brian Casillas 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
Brian Casillas, MD
13657 W Mcdowell Rd Ste 220,
Goodyear, AZ 85395-2603

Ph: (800) 342-2898		Brian Casillas, MD
13657 W Mcdowell Rd Ste 220,
Goodyear, AZ 85395-2603

Ph: (623) 882-1500

Reviews and Comments


Emergency Medicine Doctors in Goodyear, AZ

Brendan Davis, PA-C
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 13677 W Mcdowell Rd, Goodyear, AZ 85395
Phone: 623-882-1500    
Frederick T Warner, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 13677 W Mcdowell Rd, Goodyear, AZ 85395
Phone: 623-882-1500    
Dr. George Shepard Iii, MD MBA
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 13677 W Mcdowell Rd, Goodyear, AZ 85338
Phone: 623-882-1500    
Dr. Timothy Owen Pfeiffer, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 13677 W Mcdowell Rd, Goodyear, AZ 85338
Phone: 623-882-1500    
Mr. David R Murray, PA
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 13677 W Mcdowell Rd, Goodyear, AZ 85338
Phone: 623-882-1500    
Michel Dagher, D.O.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 13677 W Mcdowell Rd, Goodyear, AZ 85395
Phone: 623-882-1522    

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.