DR. WILLIAM SIMPSON DAVIS MD
NPI 1891723680
Family Medicine in Winchester, KY
About Dr. William Simpson Davis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM SIMPSON DAVIS MD (NPI 1891723680) is an individual family medicine provider in Winchester, Kentucky, licensed in Kentucky (21156) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Simpson Davis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show William Davis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winchester, KY 40391
- Reassigned Medicare billing, Kentucky enrollment
- 88 clinicians in this Medicare group
Crab Orchard, KY 40419
- Reassigned Medicare billing, Kentucky enrollment
- 25 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Kentucky enrollment
- 828 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 10
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 40391 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINCHESTER, KY 40391
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 Davis's NPI number?
The NPI number for William Davis is 1891723680. It was assigned to this individual provider in the NPPES registry on June 29, 2006.
Where is William Davis located?
William Davis practices at 1414 W Lexington Ave, Winchester, KY 40391. The listed phone number is (859) 737-0001.
What is William Davis's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Davis enrolled in Medicare?
Yes. William Davis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Davis reassigns Medicare benefits to 3 organizations: Clark Regional Physician Practices LLC (Winchester, KY), Primary Care Of The Bluegrass, LLC (Crab Orchard, KY) and Southeastern Emergency Physicians LLC (Maysville, KY). 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 Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Davis was last updated on January 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.