Zak Ritchey, MD
NPI 1831696228 · Diagnostic Radiology Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zak Ritchey, MD is a Diagnostic Radiology Physician provider in Aurora, CO (NPI 1831696228).
Provider details
- NPI number
- 1831696228
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01093187A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
381 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 | 143 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 57 | $80 |
| Ct Scan Head Or Brain Without Contrast70450 | 41 | $36 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 32 | $78 |
| X-Ray of Chest, 2 Views71046 | 19 | $10 |
| Ct Scan of Chest With Contrast71260 | 17 | $49 |
| Ct Scan of Upper Spine Without Contrast |
Practice location
Mailing address
Additional practice locations (2)
- 350 W Thomas RdPhoenix, AZ 85013-4409Phone: (602) 406-3430
- 1701 N Senate BlvdIndianapolis, IN 46202-1239Phone: (317) 962-6793
Registry dates
- Enumerated
- 2018-04-11
- Last updated
- 2024-07-09
- Certified
- 2024-07-09
Frequently asked questions
- What is Zak Ritchey's NPI number?
- Zak Ritchey's National Provider Identifier (NPI) is 1831696228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zak Ritchey's specialty?
- Zak Ritchey is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Zak Ritchey located?
- Zak Ritchey's practice location on file with NPPES is 12631 E 17th Ave, Aurora, CO 80045-2527.
- What is Zak Ritchey's phone number?
- The practice phone number listed in the NPPES registry for Zak Ritchey is (303) 724-1981.
- Does Zak Ritchey accept Medicare?
- Zak Ritchey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zak Ritchey's NPI active?
- Yes — Zak Ritchey's NPI (1831696228) is active in the NPPES registry as of the last update on 2024-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.