Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Matthew D Callister, M.D.

Radiation Oncology Physician in Gilbert, AZ · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1124000948

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Registry record

Entity type Individual (Type 1)

Name Dr. Matthew D Callister

Credential M.D.

Sex Male

Practice address 2940 E Banner Gateway Dr, Suite 450, Gilbert, AZ, 85234

Phone (480) 256-6444

Enumeration date Nov 17, 2005

Last updated in NPPES Nov 3, 2011

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 32639 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
855471	Medicaid	AZ	-
86080015085054B049	Other	AZ	TRIWEST
86080015085259C434	Other	AZ	TRIWEST
P00187177	Other	AZ	RAILROAD MEDICARE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Matthew Callister?

The National Provider Identifier (NPI) for Matthew Callister is 1124000948, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Callister practice?

The practice location on file with NPPES is in Gilbert, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Terence Roberts Radiation Oncology Physician · Gilbert, AZ NPI 1902889652 John Crothers Orthopaedic Surgery Physician · Gilbert, AZ NPI 1033189980 Julie Kennedy Physician Assistant · Gilbert, AZ NPI 1437120144 James Morphis Physician Assistant · Gilbert, AZ NPI 1306818794 Emily Grade Radiation Oncology Physician · Gilbert, AZ NPI 1437124922 Select Physical Therapy Holdings Inc Physical Therapy Clinic/Center · Gilbert, AZ NPI 1104895853 Robert Califano Clinical Psychologist · Gilbert, AZ NPI 1972563948 Heather Bily Physical Therapist · Gilbert, AZ NPI 1154373181

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-03.