DR. JOHN THOMAS DAVIS MD
NPI 1063436756
Orthopaedic Surgery in Herrin, IL
About Dr. John Thomas Davis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN THOMAS DAVIS MD (NPI 1063436756) is an individual orthopaedic surgery provider in Herrin, Illinois, licensed in Illinois (036115943) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and is a graduate of Tulane University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Thomas Davis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Herrin, IL 62948
- Reassigned Medicare billing, Illinois enrollment
- 44 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 8
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Herrin Hospital
Acute Care Hospitals · Herrin, ILMemorial Hospital Of Carbondale
Acute Care Hospitals · Carbondale, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62948 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.
Reported Quality Measures
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.
HERRIN, IL 62948
HERRIN, IL 62948
HERRIN, IL 62948
HERRIN, IL 62948
HERRIN, IL 62948
HERRIN, IL 62948
HERRIN, IL 62948
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 John Davis's NPI number?
The NPI number for John Davis is 1063436756. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is John Davis located?
John Davis practices at 510 Lincoln Drive, Herrin, IL 62948. The listed phone number is (618) 997-6800.
What is John Davis's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is John Davis enrolled in Medicare?
Yes. John Davis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Davis reassigns Medicare benefits to Southern Orthopedic Associates Sc (Herrin, IL). 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 John Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Davis affiliated with any hospitals?
According to CMS data, John Davis is affiliated with Herrin Hospital and Memorial Hospital Of Carbondale.
When was this NPI record last updated?
The NPPES record for John Davis was last updated on May 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.