William Williams, MD
NPI 1164419396 · Diagnostic Radiology Physician · Little Rock, AR
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Williams, MD is a Diagnostic Radiology Physician provider in Little Rock, AR (NPI 1164419396).
Provider details
- NPI number
- 1164419396
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- C4151 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Williams's NPI number?
- William Williams's National Provider Identifier (NPI) is 1164419396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Williams's specialty?
- William Williams is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Williams located?
- William Williams's practice location on file with NPPES is 500 S University Ave, Little Rock, AR 72205-5302.
- What is William Williams's phone number?
- The practice phone number listed in the NPPES registry for William Williams is (501) 664-3914.
- Does William Williams accept Medicare?
- William Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Williams's NPI active?
- Yes — William Williams's NPI (1164419396) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.