DR. WILLIAM ANDREW DAY MD
NPI 1235716440
Orthopaedic Surgery in Jackson, MS
About Dr. William Andrew Day Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM ANDREW DAY MD (NPI 1235716440) is an individual orthopaedic surgery provider in Jackson, Mississippi, licensed in Mississippi (36709) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Andrew Day Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
JACKSON, MS 39202
JACKSON, MS 39202
JACKSON, MS 39202
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 Day's NPI number?
The NPI number for William Day is 1235716440. It was assigned to this individual provider in the NPPES registry on March 24, 2021.
Where is William Day located?
William Day practices at 1325 E Fortification St, Jackson, MS 39202. The listed phone number is (601) 354-4488.
What is William Day's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is William Day enrolled in Medicare?
Yes. William Day is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for William Day was last updated on July 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.