Jacob Maddux, MD - Medicare Allergy/immunology in Peoria, AZ

Jacob Maddux, MD is a medicare enrolled "Allergy & Immunology" physician in Peoria, Arizona. He graduated from medical school in 2016 and has 10 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice Arizona Asthma Allergy Legacy Plc and his current practice location is 8877 W Union Hills Dr Ste 200, Peoria, Arizona. You can reach out to his office (for appointments etc.) via phone at (602) 349-0929.

Jacob Maddux is licensed to practice in Arizona (license number 55863) 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 1760839211.

Contact Information

Jacob Maddux, MD
8877 W Union Hills Dr Ste 200,
Peoria, AZ 85382-3016
(602) 349-0929
Not Available

Map and Direction




Physician's Profile

Full NameJacob Maddux
GenderMale
SpecialityAllergy/immunology
Experience10 Years
Location8877 W Union Hills Dr Ste 200, Peoria, Arizona
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:
  • Jacob Maddux graduated from medical school in 2016
  NPI Data:
  • NPI Number: 1760839211
  • Provider Enumeration Date: 05/14/2016
  • Last Update Date: 07/24/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 0547552283
  • Enrollment ID: I20200506000289

Medical Identifiers

Medical identifiers for Jacob Maddux such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760839211NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207K00000XAllergy & Immunology 55863 (Arizona)Primary
207R00000XInternal Medicine R75864 (Arizona)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Arizona Asthma Allergy Legacy Plc307290929017

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. Jacob Maddux allows following entities to bill medicare on his behalf.
Entity NameArizona Asthma Allergy Legacy PLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922762699
PECOS PAC ID: 3072909290
Enrollment ID: O20220414002030
Entity NameSouthwest Allergy Institute PLLC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295605335
PECOS PAC ID: 4385123835
Enrollment ID: O20260205001995

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. Jacob Maddux 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
Jacob Maddux, MD
13400 E Shea Blvd,
Scottsdale, AZ 85259-5452

Ph: (480) 301-8000
Jacob Maddux, MD
8877 W Union Hills Dr Ste 200,
Peoria, AZ 85382-3016

Ph: (602) 349-0929

Reviews and Comments


Allergy & Immunology Doctors in Peoria, AZ

Kevin M Boesel, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 13965 N. 75th Avenue, Peoria, AZ 85381
Phone: 602-843-2991    Fax: 602-978-1226
Dr. Gregory Michael Cowan, M.D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 9145 W Thunderbird Rd Ste 101, Peoria, AZ 85381
Phone: 623-815-7800    Fax: 623-815-7900
Joseph Andrew Baxter, DO
Allergy & Immunology
Medicare: Medicare Enrolled
Practice Location: 8877 W Union Hills Dr Ste 200, Peoria, AZ 85382
Phone: 623-887-9292    
Dr. Ryan Matthew Casper, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 13965 N. 75th Avenue, Peoria, AZ 85381
Phone: 602-843-2991    Fax: 602-978-1226
Dr. Ronald Joseph Mittel Jr., M.D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 13965 N 75th Ave, Peoria, AZ 85381
Phone: 602-843-2991    Fax: 602-978-1226
Mr. Peter M Freedman, MD
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 11361 N 99th Ave, Ste 201, Peoria, AZ 85345
Phone: 623-974-4800    Fax: 623-974-0018
Dr. Sahika C. Riley, P.A.
Allergy & Immunology
Medicare: Not Enrolled in Medicare
Practice Location: 21585 N 77th Ave Ste 1500, Peoria, AZ 85382
Phone: 813-774-1407    

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.