Peter Williams, MD
NPI 1891864625 · Diagnostic Radiology Physician · Peoria, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Williams, MD is a Diagnostic Radiology Physician provider in Peoria, IL (NPI 1891864625).
Provider details
- NPI number
- 1891864625
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-092938 (IL)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
5,502 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) |
|---|---|---|
| Screening Mammography77067 | 1,051 | $34 |
| Screening 3d Breast Mammography77063 | 1,049 | $27 |
| X-Ray of Chest, 2 Views71046 | 773 | $10 |
| X-Ray of Chest, 1 View71045 | 468 | $8 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 178 | $27 |
| X-Ray of Knee, 4 Or More Views73564 | 139 | $11 |
| X-Ray of Foot, Minimum of 3 Views |
Practice location
Mailing address
Additional practice locations (1)
- 530 Ne Glen Oak AvePeoria, IL 61637-1144Phone: (309) 655-2000
Registry dates
- Enumerated
- 2006-11-07
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is Peter Williams's NPI number?
- Peter Williams's National Provider Identifier (NPI) is 1891864625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Williams's specialty?
- Peter Williams is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Williams located?
- Peter Williams's practice location on file with NPPES is 411 Hamilton Blvd, Peoria, IL 61602-1144.
- What is Peter Williams's phone number?
- The practice phone number listed in the NPPES registry for Peter Williams is (309) 494-9320.
- Does Peter Williams accept Medicare?
- Peter Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Williams's NPI active?
- Yes — Peter Williams's NPI (1891864625) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.