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AIDNAG Z. DIAZ M.D.
NPI 1568422723
Radiology - Radiation Oncology in Phoenix, AZ

Active since March 23, 2006PECOS EnrolledAccepts Medicare Assignment
350 W THOMAS RD, ATTN: BARROW RADIATION ONCOLOGY, PHOENIX, AZ 85013(602) 406-6761 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 11, 2026, Dec 13, 2024, Jun 20, 2023 and 2 more (5 updates tracked since 2015).

About Aidnag Z. Diaz M.d. NPPES

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

AIDNAG Z. DIAZ M.D. (NPI 1568422723) is an individual radiation oncology provider in Phoenix, Arizona, licensed in Arizona (58024) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (1988).

NPPES Registry Identity

NPI1568422723
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameAIDNAG Z. DIAZCredential: M.D.
Location Address350 W THOMAS RD, ATTN: BARROW RADIATION ONCOLOGYPhoenix, AZ 85013
Mailing Address240 W Thomas Rd Ste 301Phoenix, AZ 85013-4407 · (602) 406-7765
Phone(602) 406-6761
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1988
Enumeration DateMarch 23, 2006
Last NPPES UpdateMarch 11, 20265 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1568422723 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in AZ · 58024
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
350 W THOMAS RD, Phoenix, AZ 85013
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aidnag Z. Diaz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739137076
PECOS Enrollment IDI20190730003949
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
116 services38 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.60 typical visit price
range $55.44 – $168.60
Typical copayment $42.15 (range $13.86 – $42.15)
Most-billed visit code 99205
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

DR. JASPREET SIAN M.D.
Student in an Organized Health Care Education/Training Program
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3540
DR. JACOB WESLEY SANDERS
Student in an Organized Health Care Education/Training Program
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-6262
SANFORD ORNSTEIN M.D.
Radiology (Diagnostic Radiology)
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
LINDLEY T BLISS MD
Hospitalist
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 615-5672
DR. TILINA N. HU MD
Radiology (Diagnostic Radiology)
350 W THOMAS RD, RADIOLOGY DEPARTMENT
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
JASON AARON BESTE M.D.
Hospitalist
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-5590
JOEL JAMES HAYDEN MD
Radiology (Diagnostic Radiology)
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3430
SARAH BAHSAS
Family Medicine
350 W THOMAS RD
PHOENIX, AZ 85013
Maricopa County (602) 406-3350

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 Aidnag Diaz's NPI number?

The NPI number for Aidnag Diaz is 1568422723. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Aidnag Diaz located?

Aidnag Diaz practices at 350 W Thomas Rd Attn: Barrow Radiation Oncology, Phoenix, AZ 85013. The listed phone number is (602) 406-6761.

What is Aidnag Diaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Aidnag Diaz enrolled in Medicare?

Yes. Aidnag Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Aidnag Diaz accept?

Health plans from Blue Cross Blue Shield of Arizona list Aidnag Diaz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Aidnag Diaz was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.