DR. JAMES GARRETT WILLIAMS M.D.
NPI 1396199410
Pediatrics - Pediatric Critical Care Medicine in Little Rock, AR
About Dr. James Garrett Williams M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES GARRETT WILLIAMS M.D. (NPI 1396199410) is an individual pediatric critical care medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-16657) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Cincinnati.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Garrett Williams M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show James Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 944 clinicians in this Medicare group
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 653 clinicians in this Medicare group
Little Rock, AR 72202
- Reassigned Medicare billing, Arkansas enrollment
- 1,246 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLE ROCK, AR 72202
LITTLE ROCK, AR 72202
LITTLE ROCK, AR 72202
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Williams's NPI number?
The NPI number for James Williams is 1396199410. It was assigned to this individual provider in the NPPES registry on April 14, 2016.
Where is James Williams located?
James Williams practices at 1 Childrens Way # 512-1, Little Rock, AR 72202. The listed phone number is (501) 364-3665.
What is James Williams's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is James Williams enrolled in Medicare?
Yes. James Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Williams reassigns Medicare benefits to 3 organizations: Arkansas Childrens Hospital (Little Rock, AR), Arkansas Childrens Professional Services Organization LLC (Little Rock, AR) and University Of Arkansas For Medical Sciences (Little Rock, AR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Williams accept?
Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list James Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Williams was last updated on June 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.