WILLIAM ALEXANDER KEY DPT
NPI 1871923045
Physical Therapist in Mooreville, MS
About William Alexander Key Dpt NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ALEXANDER KEY DPT (NPI 1871923045) is an individual physical therapist in Mooreville, Mississippi, licensed in Mississippi (PT5477) and active in the NPI registry since November 2013. He maintains a secondary practice location in Jasper.
NPPES Registry Identity
Specialties & Licenses
- Diagnose and manage movement dysfunction and enhance physical and functional abilities.
- Restore, maintain, and promote not only optimal physical function but optimal wellness and fitness and optimal quality of life as it relates to movement and health.
- Prevent the onset, symptoms, and progression of impairments, functional limitations, and disabilities that may result from diseases, disorders, conditions, or injuries.
- Treat conditions of the musculoskeletal, neuromuscular, cardiovascular, pulmonary, and/or integumentary systems.
- Address the negative effects attributable to unique personal and environmental factors as they relate to human performance.
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)
William Alexander Key Dpt is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show William Key reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saltillo, MS 38866
- Reassigned Medicare billing, Mississippi enrollment
- 230 clinicians in this Medicare group
Louisville, MS 39339
- Reassigned Medicare billing, Mississippi enrollment
- 324 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Key's NPI number?
The NPI number for William Key is 1871923045. It was assigned to this individual provider in the NPPES registry on November 25, 2013.
Where is William Key located?
William Key practices at 3614 Highway 178 Suite A, Mooreville, MS 38857. The listed phone number is (662) 524-2007.
What is William Key's specialty?
The primary specialty registered for this NPI is Physical Therapist with taxonomy code 225100000X.
Is William Key enrolled in Medicare?
Yes. William Key is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Key's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Key reassigns Medicare benefits to 2 organizations: Dpti Elite Physical Therapy LLC (Saltillo, MS) and Drayer Physical Therapy Mississippi LLC (Louisville, MS). 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 William Key's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Key accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list William Key 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 Key was last updated on August 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.