Jonathan Williamson
NPI 1457930075 · Pediatric Emergency Medicine (Pediatrics) Physician · Little Rock, AR
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Williamson is a Pediatric Emergency Medicine (Pediatrics) Physician provider in Little Rock, AR (NPI 1457930075).
Provider details
- NPI number
- 1457930075
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- E-17782 (AR)
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 tenure38% of score
5 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
- 2021-04-02
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is Jonathan Williamson's NPI number?
- Jonathan Williamson's National Provider Identifier (NPI) is 1457930075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Williamson's specialty?
- Jonathan Williamson is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Williamson located?
- Jonathan Williamson's practice location on file with NPPES is 1 Childrens Way # 512-19a, Little Rock, AR 72202-3500.
- What is Jonathan Williamson's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Williamson is (501) 364-1874.
- Does Jonathan Williamson accept Medicare?
- Jonathan Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Williamson's NPI active?
- Yes — Jonathan Williamson's NPI (1457930075) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.