1. Home
  2. Directory
  3. Tennessee
  4. Memphis
  5. Psychologist
  6. NPI Profile

WILLIAM L. FULLITON
NPI 1154758746
Psychologist - Clinical in Memphis, TN

Active since September 27, 2013
100 N MAIN ST, SUITE 2315, MEMPHIS, TN 38103(901) 527-2248 Get Directions Write a Review

NPPES record last updated: October 29, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William L. Fulliton NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM L. FULLITON (NPI 1154758746) is a healthcare organization registered as a clinical in Memphis, Tennessee and active in the NPI registry since September 2013. The organization lists William Leslie Fulliton, President/clinical Psychologist, as its authorized official.

NPPES Registry Identity

NPI1154758746
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameWILLIAM L. FULLITON
Location Address100 N MAIN ST, SUITE 2315Memphis, TN 38103-5011
Mailing Address100 N Main St, Suite 2315Memphis, TN 38103-5011 · (901) 527-2248
Phone(901) 527-2248
Organization SubpartNo
Authorized OfficialWilliam Leslie FullitonPresident/clinical Psychologist · (901) 527-2248
Enumeration DateSeptember 27, 2013
Last NPPES UpdateOctober 29, 2013
✔ NPI 1154758746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in TN · P1531
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
100 N MAIN ST, Memphis, TN 38103
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William L. Fulliton is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to William L. Fulliton, which bills Medicare for the services this clinician delivers.

Clinician (1)

William Fulliton, PH.D.
Clinical Psychologist
NPI 1578997615
1407 UNION AVE STE 1407
Memphis, TN 38104
(901) 276-9606
✔ PECOS✔ Accepts Medicare2.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 William L. Fulliton's NPI number?

The NPI number for William L. Fulliton is 1154758746. It was assigned to this organization in the NPPES registry on September 27, 2013.

Where is William L. Fulliton located?

William L. Fulliton is located at 100 N Main St Suite 2315, Memphis, TN 38103. The listed phone number is (901) 527-2248.

What is William L. Fulliton's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is William L. Fulliton enrolled in Medicare?

Yes. William L. Fulliton is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through William L. Fulliton?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to William L. Fulliton. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does William L. Fulliton accept?

Health plans from Oscar Insurance Company list William L. Fulliton 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 William L. Fulliton was last updated on October 29, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.