Mark Winkler
NPI 1134573645 · Diagnostic Radiology Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Winkler is a Diagnostic Radiology Physician provider in Scottsdale, AZ (NPI 1134573645).
Provider details
- NPI number
- 1134573645
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,431 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,322 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 377 | $88 |
| Ct Scan Head Or Brain Without Contrast70450 | 191 | $41 |
| X-Ray of Chest, 2 Views71046 | 165 | $11 |
| Ct Scan of Chest With Contrast71260 | 159 | $54 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 156 | $88 |
| Ct Scan of Chest Without Contrast |
Practice location
Mailing address
Additional practice locations (1)
- 500 J Clyde Morris Blvd Fl 2Newport News, VA 23601-1929Phone: (757) 594-3946
Registry dates
- Enumerated
- 2016-04-20
- Last updated
- 2023-01-20
- Certified
- 2023-01-20
Frequently asked questions
- What is Mark Winkler's NPI number?
- Mark Winkler's National Provider Identifier (NPI) is 1134573645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Winkler's specialty?
- Mark Winkler is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Winkler located?
- Mark Winkler's practice location on file with NPPES is 13400 E Shea Blvd, Scottsdale, AZ 85259-5452.
- What is Mark Winkler's phone number?
- The practice phone number listed in the NPPES registry for Mark Winkler is (480) 301-8000.
- Does Mark Winkler accept Medicare?
- Mark Winkler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Winkler's NPI active?
- Yes — Mark Winkler's NPI (1134573645) is active in the NPPES registry as of the last update on 2023-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.