1. Home
  2. Directory
  3. Arizona
  4. Glendale
  5. Radiology
  6. NPI Profile

ASSOCIATED VALLEY RADIOLOGISTS LTD
NPI 1932683257
Radiology - Diagnostic Radiology in Glendale, AZ

Active since September 21, 2018
5605 W EUGIE AVE STE 110, GLENDALE, AZ 85304(888) 571-7818 Get Directions Write a Review

NPPES record last updated: August 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 14, 2025, Jul 10, 2024, May 26, 2023 and 6 more (9 updates tracked since 2018).

About Associated Valley Radiologists Ltd NPPES

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

ASSOCIATED VALLEY RADIOLOGISTS LTD (NPI 1932683257) is a healthcare organization registered as a diagnostic radiology in Glendale, Arizona and active in the NPI registry since September 2018. The organization lists Karen Vaughn, Vice President, Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1932683257
Entity TypeOrganization
Primary Taxonomy2085R0202X
Legal Business NameASSOCIATED VALLEY RADIOLOGISTS LTD
Location Address5605 W EUGIE AVE STE 110Glendale, AZ 85304-1273
Mailing AddressPo Box 74134Los Angeles, CA 90074-1734 · (602) 521-6252 · Fax (623) 842-5640
Phone(888) 571-7818
Organization SubpartNo
Authorized OfficialKaren VaughnVice President, Provider Enrollment · (330) 309-6984
Enumeration DateSeptember 21, 2018
Last NPPES UpdateAugust 14, 20259 updates tracked since enumeration
NPPES CertifiedAugust 11, 2025
✔ NPI 1932683257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · Nuclear RadiologyTaxonomy 2085N0904X
Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X
5605 W EUGIE AVE STE 110, Glendale, AZ 85304
Open in Google Maps ↗

Other Identifiers 1

Medicaid468437AZ

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Associated Valley Radiologists Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

231

Medicare enrollment records show 231 clinicians reassign Medicare billing to Associated Valley Radiologists Ltd, which bills Medicare for the services they deliver. Of these, 28 practice at this address and 38 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Diagnostic Radiology217
Interventional Radiology12
Osteopathic Manipulative Medicine1
Vein Care1

Nearest to this location (20)

See all 231
Robert Aizenstein, MD
Diagnostic Radiology
NPI 1467460402
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Baharak Bagheri, MD
Diagnostic Radiology
NPI 1033379151
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Alicia Cartagena, MD
Diagnostic Radiology
NPI 1720066657
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Deven Cox, D.O
Diagnostic Radiology
NPI 1255591608
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Caroline Cranford, M.D.
Diagnostic Radiology
NPI 1407069586
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Christian Dewald, MD
Diagnostic Radiology
NPI 1336138387
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Bernadette Diegnan, D.O.
Diagnostic Radiology
NPI 1952794893
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Patrick Fredenberg, MD
Diagnostic Radiology
NPI 1710976766
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Brian Frohna, MD
Diagnostic Radiology
NPI 1225027279
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Threasa Frouge, MD
Diagnostic Radiology
NPI 1598754558
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Aaron Greeley, DO
Diagnostic Radiology
NPI 1225096464
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Michael Hanelin, M.D.
Diagnostic Radiology
NPI 1891726436
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Gordon Haugland, M.D.
Diagnostic Radiology
NPI 1508834466
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Mohammad Khan, M.D.
Diagnostic Radiology
NPI 1861679441
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
George Leon, MD
Interventional Radiology
NPI 1417928276
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
John Lin, MD
Diagnostic Radiology
NPI 1972593929
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Bilal Mian, MD
Diagnostic Radiology
NPI 1679563647
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Andrew Ondracek, MD
Diagnostic Radiology
NPI 1528057585
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
Eduardo Quinones, MD
Diagnostic Radiology
NPI 1376797084
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOSSame address
Zifa Wang, M.D.
Interventional Radiology
NPI 1053389635
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
(623) 847-2000
✔ PECOS✔ Accepts MedicareSame address
See all 231 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Associated Valley Radiologists Ltd's NPI number?

The NPI number for Associated Valley Radiologists Ltd is 1932683257. It was assigned to this organization in the NPPES registry on September 21, 2018.

Where is Associated Valley Radiologists Ltd located?

Associated Valley Radiologists Ltd is located at 5605 W Eugie Ave Ste 110, Glendale, AZ 85304. The listed phone number is (888) 571-7818.

What is Associated Valley Radiologists Ltd's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Associated Valley Radiologists Ltd enrolled in Medicare?

Yes. Associated Valley Radiologists Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Associated Valley Radiologists Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 231 clinicians in 4 Medicare specialties reassign their Medicare billing to Associated Valley Radiologists Ltd. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Diagnostic Radiology (217), Interventional Radiology (12) and Osteopathic Manipulative Medicine (1). Of these, 28 practice at this address and 38 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Associated Valley Radiologists Ltd accept?

Health plans from Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Associated Valley Radiologists Ltd 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 Associated Valley Radiologists Ltd was last updated on August 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.