Matthew Walker, MD
NPI 1447276126 · Diagnostic Radiology Physician · Evanston, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Walker, MD is a Diagnostic Radiology Physician provider in Evanston, IL (NPI 1447276126).
Provider details
- NPI number
- 1447276126
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036103969 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,994 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 1,063 | $40 |
| X-Ray of Chest, 1 View71045 | 389 | $9 |
| Ct Scan of Upper Spine Without Contrast72125 | 362 | $48 |
| Mri Scan of Brain Before and After Contrast70553 | 328 | $112 |
| X-Ray of Lower and Sacral Spine, Minimum of 4 Views72110 | 327 | $13 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 295 | $73 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is Matthew Walker's NPI number?
- Matthew Walker's National Provider Identifier (NPI) is 1447276126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Walker's specialty?
- Matthew Walker is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Walker located?
- Matthew Walker's practice location on file with NPPES is 2650 Ridge Ave, Evanston, IL 60201-1700.
- What is Matthew Walker's phone number?
- The practice phone number listed in the NPPES registry for Matthew Walker is (847) 570-2475.
- Does Matthew Walker accept Medicare?
- Matthew Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Walker's NPI active?
- Yes — Matthew Walker's NPI (1447276126) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.