JAMES DANIEL DAY MD
NPI 1235316886
Surgery in Jackson, TN
About James Daniel Day Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES DANIEL DAY MD (NPI 1235316886) is an individual surgery provider in Jackson, Tennessee, licensed in Tennessee (44748) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS.
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)
James Daniel Day Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Day reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jackson, TN 38301
- Reassigned Medicare billing, Tennessee enrollment
- 242 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.
Areas of Expertise CMS Part B claims 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSON, TN 38305
JACKSON, TN 38305
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 Day's NPI number?
The NPI number for James Day is 1235316886. It was assigned to this individual provider in the NPPES registry on January 25, 2008.
Where is James Day located?
James Day practices at 395 Hospital Blvd, Jackson, TN 38305. The listed phone number is (731) 664-7395.
What is James Day's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is James Day enrolled in Medicare?
Yes. James Day is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Day's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Day reassigns Medicare benefits to West Tennessee Medical Group Inc (Jackson, TN). 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 James Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Day accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 2 other insurers list James Day 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 Day was last updated on January 8, 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.