DR. WARREN RAY LITTLEFORD PHD
NPI 1285755918
Psychologist in Chandler, AZ
About Dr. Warren Ray Littleford Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WARREN RAY LITTLEFORD PHD (NPI 1285755918) is an individual psychologist in Chandler, Arizona, licensed in Arizona (3303) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
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. Warren Ray Littleford Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Warren Littleford reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chandler, AZ 85286
- Reassigned Medicare billing, Arizona enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHANDLER, AZ 85225
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 Warren Littleford's NPI number?
The NPI number for Warren Littleford is 1285755918. It was assigned to this individual provider in the NPPES registry on April 2, 2007.
Where is Warren Littleford located?
Warren Littleford practices at 908 W Chandler Blvd Ste D, Chandler, AZ 85225. The listed phone number is (480) 214-5970.
What is Warren Littleford's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Warren Littleford enrolled in Medicare?
Yes. Warren Littleford is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Warren Littleford's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Warren Littleford reassigns Medicare benefits to Warren R. Littleford, Phd, PC (Chandler, AZ). The 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 Warren Littleford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Warren Littleford accept?
Health plans from Cigna HealthCare of Arizona, Inc and UnitedHealthcare list Warren Littleford 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 Warren Littleford was last updated on November 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.