DR. WILLIAM CLAYTON HARTLEY MD
NPI 1003315227
Family Medicine - Sports Medicine in Lexington, KY
About Dr. William Clayton Hartley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM CLAYTON HARTLEY MD (NPI 1003315227) is an individual sports medicine provider in Lexington, Kentucky, licensed in Kentucky (54253) and active in the NPI registry since February 2018. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Lexington, and is a graduate of Other (2017).
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 and accepts Medicare assignment
Dr. William Clayton Hartley 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 Reassignments
2Medicare enrollment records show William Hartley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- Also billed through NPI 1255805586 (Kentucky)
- 999 clinicians in this Medicare group
Columbus, GA 31901
- Reassigned Medicare billing, Georgia enrollment
- 13 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 12
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.
Baptist Health Lexington
Acute Care Hospitals · Lexington, KYFrankfort Regional Medical Center
Acute Care Hospitals · Frankfort, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40503 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.
LEXINGTON, KY 40503
LEXINGTON, KY 40503
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 Hartley's NPI number?
The NPI number for William Hartley is 1003315227. It was assigned to this individual provider in the NPPES registry on February 2, 2018.
Where is William Hartley located?
William Hartley practices at 1760 Nicholasville Rd Ste 101, Lexington, KY 40503. The listed phone number is (859) 899-7950.
What is William Hartley's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.
Is William Hartley enrolled in Medicare?
Yes. William Hartley 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 organizations bill Medicare for William Hartley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Hartley reassigns Medicare benefits to 2 organizations: Baptist Health Medical Group Inc (Lexington, KY) and Hughston Medical Group, PC (Columbus, GA). 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 Hartley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Hartley accept?
Health plans from Anthem Blue Cross and Blue Shield and CareSource list William Hartley 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.
Is William Hartley affiliated with any hospitals?
According to CMS data, William Hartley is affiliated with Baptist Health Lexington and Frankfort Regional Medical Center.
When was this NPI record last updated?
The NPPES record for William Hartley was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.