MARK WINKLER
NPI 1134573645
Radiology - Diagnostic Radiology in Scottsdale, AZ
About Mark Winkler NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK WINKLER (NPI 1134573645) is an individual diagnostic radiology provider in Scottsdale, Arizona, licensed in Arizona (62699) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Northwest Specialty Hospital, and maintains a secondary practice location in Newport News.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted 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
Mark Winkler 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.
Medicare Billing Reassignments
16Medicare enrollment records show Mark Winkler reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scottsdale, AZ 85251
- Reassigned Medicare billing, Arizona enrollment
- 156 clinicians in this Medicare group
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 447 clinicians in this Medicare group
Gilroy, CA 95020
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Santa Rosa, CA 95405
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Medford, OR 97504
- Reassigned Medicare billing, Florida enrollment
- 5 clinicians in this Medicare group
Medford, OR 97504
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Yakima, WA 98902
- Reassigned Medicare billing, Washington enrollment
- 565 clinicians in this Medicare group
Olympia, WA 98506
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Kirkland, WA 98034
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
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 64
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Specialty Hospital
Acute Care Hospitals · Post Falls, IDAsante Rogue Regional Medical Center
Acute Care Hospitals · Medford, ORYakima Valley Memorial
Acute Care Hospitals · Yakima, WAOverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85259 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
SCOTTSDALE, AZ 85259
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 Mark Winkler's NPI number?
The NPI number for Mark Winkler is 1134573645. It was assigned to this individual provider in the NPPES registry on April 20, 2016.
Where is Mark Winkler located?
Mark Winkler practices at 13400 E Shea Blvd, Scottsdale, AZ 85259. The listed phone number is (480) 301-8000.
What is Mark Winkler's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mark Winkler enrolled in Medicare?
Yes. Mark Winkler 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 Mark Winkler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Winkler reassigns Medicare benefits to 16 organizations: Southwest Diagnostic Imaging LLC (Scottsdale, AZ), Sonoran Radiology Ltd (Mesa, AZ), County Of Santa Clara (Gilroy, CA), Radia California Radiology Medical Group Inc (Santa Rosa, CA), Medford Radiological Group, PC (Medford, OR) and 11 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 Mark Winkler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Winkler accept?
Health plans from Ambetter Health, Arkansas Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Health Advantage and 2 other insurers list Mark Winkler 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.
Is Mark Winkler affiliated with any hospitals?
According to CMS data, Mark Winkler is affiliated with Northwest Specialty Hospital, Asante Rogue Regional Medical Center, Yakima Valley Memorial and Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Winkler was last updated on January 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.