RON H AYANZEN M.D.
NPI 1013901586
Radiology - Diagnostic Radiology in Scottsdale, AZ

Q: What is Ron Ayanzen's NPI number?

The NPI number for Ron Ayanzen is 1013901586. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Q: What is Ron Ayanzen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ron Ayanzen was last updated on August 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.

Active since September 09, 2005PECOS EnrolledAccepts Medicare Assignment

87.72/100

CMS Quality Rating

8100 E CAMELBACK RD, STE 137, SCOTTSDALE, AZ 85251(480) 269-2727(480) 269-2727 Get Directions Write a Review

NPPES record last updated: August 24, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ron H Ayanzen M.d. NPPES

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

RON H AYANZEN M.D. (NPI 1013901586) is an individual diagnostic radiology provider in Scottsdale, Arizona, licensed in Arizona (25913) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1993).

NPPES Registry Identity

NPI1013901586

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameRON H AYANZENCredential: M.D.

Location Address8100 E CAMELBACK RD, STE 137Scottsdale, AZ 85251-2773

Mailing Address8100 E Camelback Rd, Ste 137Scottsdale, AZ 85251-2773 · (480) 269-2727 · Fax (480) 269-2727

Phone(480) 269-2727

Fax(480) 269-2727

Sole ProprietorNo

Medical School CMSNew York Medical CollegeGraduated 1993

Enumeration DateSeptember 9, 2005

Last NPPES UpdateAugust 24, 2022

NPPES CertifiedAugust 24, 2022

✔ NPI 1013901586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in AZ · 25913

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

8100 E CAMELBACK RD, Scottsdale, AZ 85251

Open in Google Maps ↗

Other Identifiers 3

Other300118029AZ · Railroad Medicare

Medicaid529240AZ

Other1013901586AZ · Npi

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ron H Ayanzen 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 ID4385536705

PECOS Enrollment IDI20051219000177, I20220830003054

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.

Medicare Billing Reassignments

Medicare enrollment records show Ron Ayanzen reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Smi Imaging, LLC

1.8 mi

Diagnostic Radiology

6740 E CAMELBACK RD STE 100
Scottsdale, AZ 85251

Reassigned Medicare billing, Arizona enrollment
178 clinicians in this Medicare group

NPI 1972004489 (602) 651-1945

Arizona Diagnostic Radiology Group, LLC

14 mi

Diagnostic Radiology

4915 E BASELINE RD
Gilbert, AZ 85234

Reassigned Medicare billing, Arizona enrollment
41 clinicians in this Medicare group

NPI 1336757699 (480) 354-9200

Emil H Annabi MD PC

106 mi

Anesthesiology

6226 E PIMA ST, SUITE 3
Tucson, AZ 85712

Reassigned Medicare billing, Arizona enrollment
29 clinicians in this Medicare group

NPI 1245635390 (520) 399-6000

Desert Advanced Imaging Medical Center

259 mi

Diagnostic Radiology

72855 FRED WARING DR
Palm Desert, CA 92260

Reassigned Medicare billing, Arizona enrollment
24 clinicians in this Medicare group

NPI 1568416147 (760) 346-1130

Beverly Radiology Medical Group III

305 mi

Diagnostic Radiology

27168 NEWPORT RD, SUITE B
Menifee, CA 92584

Reassigned Medicare billing, Arizona enrollment
22 clinicians in this Medicare group

NPI 1649599085 (310) 445-2800

Kern Radiology Medical Group, Inc

427 mi

Diagnostic Radiology

2301 BAHAMAS DR
Bakersfield, CA 93309

Reassigned Medicare billing, Arizona enrollment
14 clinicians in this Medicare group

NPI 1720023997 (661) 322-9958

Fresno Imaging Center

501 mi

Diagnostic Radiology

6191 N THESTA ST
Fresno, CA 93710

Reassigned Medicare billing, Arizona enrollment
13 clinicians in this Medicare group

NPI 1659456499 (559) 447-2600

Modesto Advanced Diagnostic Imaging Medical Center

586 mi

Diagnostic Radiology

157 E COOLIDGE AVE
Modesto, CA 95350

Reassigned Medicare billing, Arizona enrollment
11 clinicians in this Medicare group

NPI 1730133893 (209) 524-6800

Stockton Diagnostic Imaging

611 mi

Diagnostic Radiology

1801 E MARCH LN STE A130
Stockton, CA 95210

Reassigned Medicare billing, Arizona enrollment
11 clinicians in this Medicare group

NPI 1356538201 (209) 475-9871

Norcal Imaging

632 mi

Diagnostic Radiology

2201 WALNUT AVE, SUITE # 150
Fremont, CA 94538

Reassigned Medicare billing, Arizona enrollment
12 clinicians in this Medicare group

NPI 1013031772 (510) 713-1234

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

Areas of Expertise CMS Part B claims 31

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.

Injection, gadoterate meglumine, 0.1 ml A9575

Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.

4,850 services28 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,100 services12 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

763 services713 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

588 services531 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

299 services277 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

195 services180 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

144 services126 patients

Mri scan of blood vessels of neck without contrast 70547

An MRI scan of the neck's blood vessels without contrast is a non-invasive procedure that uses magnetic fields to create detailed images of your neck's blood vessels. It helps identify any abnormalities or blockages, aiding in accurate diagnosis and treatment planning.

111 services102 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

99 services94 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

90 services84 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

66 services61 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

65 services65 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

54 services52 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

52 services52 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

43 services38 patients

Mri scan of bone of eye socket, face, and/or neck before and after contrast 70543

An MRI scan of the eye socket, face, and/or neck uses magnetic fields to create detailed images of these areas. Contrast dye helps highlight specific tissues for clearer pictures. It's non-invasive, aids in detecting abnormalities, and guides treatment plans.

38 services34 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

33 services32 patients

Ct scan of cranial cavity without contrast 70480

A CT scan of the cranial cavity without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed images of your head, specifically the brain area. This can help detect conditions like tumors, infections, or injuries. No dye (contrast) is used in this procedure.

32 services28 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

28 services28 patients

Mri scan of blood vessels of neck before and after contrast 70549

An MRI scan of the neck's blood vessels, both before and after contrast, is a non-invasive imaging test that uses a magnetic field and radio waves to create detailed images. Contrast dye helps highlight the vessels more clearly. This helps in diagnosing conditions like blockages or abnormalities.

27 services27 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

26 services24 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

25 services25 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

22 services20 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

19 services19 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

18 services18 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

17 services17 patients

Ct scan of soft tissue of neck without contrast 70490

A CT scan of the neck's soft tissue without contrast is a non-invasive imaging technique. It uses X-rays to create detailed pictures of your neck area, helping to identify issues like infections, injuries, or tumors. No special dye (contrast) is used in this procedure.

16 services14 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

16 services15 patients

Mri scan of bone of eye socket, face, and/or neck without contrast 70540

An MRI scan of the eye socket, face, or neck is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of your bones and soft tissues. No contrast dye is used. It helps diagnose conditions or injuries in these areas. It's safe and usually takes about 30-60 minutes.

15 services14 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

14 services14 patients

Mri scan of blood vessels of head before and after contrast 70546

An MRI scan of the head's blood vessels before and after contrast involves capturing detailed images of these vessels. A harmless dye (contrast) is used to enhance these images, helping doctors identify any abnormalities more clearly. No radiation is involved.

14 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85251 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.72/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

100%132 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

100%29 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

DR. JEROME MARTIN BENKEL O.D.

Optometrist

8100 E CAMELBACK RD, #155
SCOTTSDALE, AZ 85251

Maricopa County (480) 313-3934

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 Ron Ayanzen's NPI number?

The NPI number for Ron Ayanzen is 1013901586. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Where is Ron Ayanzen located?

Ron Ayanzen practices at 8100 E Camelback Rd Ste 137, Scottsdale, AZ 85251. The listed phone number is (480) 269-2727.

What is Ron Ayanzen's specialty?

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

Is Ron Ayanzen enrolled in Medicare?

Yes. Ron Ayanzen 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.

Which organizations bill Medicare for Ron Ayanzen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ron Ayanzen reassigns Medicare benefits to 17 organizations: Smi Imaging, LLC (Scottsdale, AZ), Arizona Diagnostic Radiology Group, LLC (Gilbert, AZ), Emil H Annabi MD PC (Tucson, AZ), Desert Advanced Imaging Medical Center (Palm Desert, CA), Beverly Radiology Medical Group III (Menifee, CA) and 12 more organizations, listed in the Medicare section above. Each 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 Ron Ayanzen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ron Ayanzen accept?

Health plans from Blue Cross Blue Shield of Arizona and Imperial Insurance Companies, Inc. list Ron Ayanzen 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 Ron Ayanzen was last updated on August 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.