Aidnag Z. Diaz, M.D.
Radiation Oncology (CMS) · Phoenix, AZ
At a glance
350 W Thomas Rd, Phoenix, AZ 85013
NPPES record updated Mar 11, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
350 W Thomas Rd Attn: Barrow Radiation OncologyPhoenix, AZ 85013
Additional reported practice locations
625 N 6Th StPhoenix, AZ 850042155
Phone: 6024068222
Fax: 6024067811
Education & affiliations
- Medical / professional school
- Columbia University College Of Physicians And Surgeons
- Graduation year
- 1988
- CMS specialties
- Radiation Oncology
Practice groups
Reported hospital affiliations
- St Josephs Hospital And Medical Center Phoenix, AZ
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Radiation Oncology (CMS)
- Taxonomy code
- 2085R0001X
- Enumeration date
- Mar 23, 2006
- Record updated
- Mar 11, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2085R0001X · Primary
License reported: 58024 AZ
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
350 W Thomas RdAttn: Barrow Radiation Oncology
Phoenix, AZ 85013
- Phone
- (602) 406-6761
Mailing address
240 W THOMAS RD STE 301PHOENIX, AZ 850134407
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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