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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOSEPH ANDREW BAXTER DO
NPI 1225274368
Allergy & Immunology in Peoria, AZ

Active since December 19, 2008PECOS Enrolled
8877 W UNION HILLS DR STE 200, PEORIA, AZ 85382(623) 887-9292 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 26, 2026, Jun 18, 2024, Oct 31, 2019 and 2 more (5 updates tracked since 2016).

About Joseph Andrew Baxter Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH ANDREW BAXTER DO (NPI 1225274368) is an individual allergy & immunology provider in Peoria, Arizona, licensed in Arizona (012411) and active in the NPI registry since December 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225274368
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameJOSEPH ANDREW BAXTERCredential: DO
Location Address8877 W UNION HILLS DR STE 200Peoria, AZ 85382-3016
Mailing Address8877 W Union Hills Dr Ste 200Peoria, AZ 85382-3016 · (623) 887-9292
Phone(623) 887-9292
Sole ProprietorNo
Enumeration DateDecember 19, 2008
Last NPPES UpdateAugust 26, 20265 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1225274368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in AZ · 012411
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedPediatricsTaxonomy 208000000X · License 012411 (AZ)
8877 W UNION HILLS DR STE 200, Peoria, AZ 85382
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph Andrew Baxter Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PAIN CENTERS NATIONWIDE, PC
Physical Medicine & Rehabilitation
8877 W UNION HILLS DR STE 200
PEORIA, AZ 85382
Maricopa County (623) 776-8686
DR. PAUL ANTHONY PANNOZZO MD
Pain Medicine (Interventional Pain Medicine)
8877 W UNION HILLS DR STE 200
PEORIA, AZ 85382
Maricopa County (623) 776-8686
JACOB MADDUX M.D.
Allergy & Immunology
8877 W UNION HILLS DR STE 200
PEORIA, AZ 85382
Maricopa County (602) 349-0929

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Baxter's NPI number?

The NPI number for Joseph Baxter is 1225274368. It was assigned to this individual provider in the NPPES registry on December 19, 2008.

Where is Joseph Baxter located?

Joseph Baxter practices at 8877 W Union Hills Dr Ste 200, Peoria, AZ 85382. The listed phone number is (623) 887-9292.

What is Joseph Baxter's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Joseph Baxter enrolled in Medicare?

Yes. Joseph Baxter is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Joseph Baxter was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.