WILLIAM ROBERT WALLACE M.D.
NPI 1851740609
Emergency Medicine in Lexington, KY
About William Robert Wallace M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ROBERT WALLACE M.D. (NPI 1851740609) is an individual emergency medicine provider in Lexington, Kentucky, licensed in Kentucky (55629) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Uofl Health - Shelbyville Hospital, and maintains a secondary practice location in Warrenton.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
William Robert Wallace M.d. 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
5Medicare enrollment records show William Wallace reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lexington, KY 40504
- Reassigned Medicare billing, Kentucky enrollment
- 338 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Kentucky enrollment
- 828 clinicians in this Medicare group
Hardinsburg, KY 40143
- Reassigned Medicare billing, Kentucky enrollment
- 182 clinicians in this Medicare group
Paducah, KY 42003
- Reassigned Medicare billing, Kentucky enrollment
- 220 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Kentucky enrollment
- 79 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uofl Health - Shelbyville Hospital
Acute Care Hospitals · Shelbyville, KYJewish Hospital & St Mary's Healthcare
Acute Care Hospitals · Louisville, KYBreckinridge Memorial Hospital
Critical Access Hospitals · Hardinsburg, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40504 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Wallace's NPI number?
The NPI number for William Wallace is 1851740609. It was assigned to this individual provider in the NPPES registry on June 11, 2016.
Where is William Wallace located?
William Wallace practices at 1221 S Broadway, Lexington, KY 40504. The listed phone number is (859) 258-4000.
What is William Wallace's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Wallace enrolled in Medicare?
Yes. William Wallace 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 Wallace's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Wallace reassigns Medicare benefits to 5 organizations: New Lexington Clinic, Psc (Lexington, KY), Southeastern Emergency Physicians LLC (Maysville, KY), Concord Medical Group Of Kentucky PLLC (Hardinsburg, KY), Green Valley Emergency Physicians, LLC (Paducah, KY) and South Central Physicians PLLC (Lubbock, TX). 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 Wallace's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Wallace affiliated with any hospitals?
According to CMS data, William Wallace is affiliated with UofL Health - Shelbyville Hospital, Jewish Hospital & St Mary's Healthcare and Breckinridge Memorial Hospital.
When was this NPI record last updated?
The NPPES record for William Wallace was last updated on March 29, 2023. 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.
# William Robert Wallace, M.D. · NPI 1851740609
Emergency Medicine physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since June 11, 2016.
## Identity
- **NPI:** 1851740609 (Entity type: Individual)
- **Enumerated:** June 11, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 55629 (Kentucky)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1221 S BROADWAY, Lexington, KY 40504-2701
- **Phone:** (859) 258-4000 · **Fax:** (859) 258-6203
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): New Lexington Clinic, Psc (NPI 1700803681, Lexington, KY); Southeastern Emergency Physicians LLC (NPI 1356379382, Maysville, KY); Concord Medical Group Of Kentucky PLLC (NPI 1346746385, Hardinsburg, KY); Green Valley Emergency Physicians, LLC (NPI 1720755739, Paducah, KY); South Central Physicians PLLC (NPI 1427611854, Lubbock, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1851740609) · Data from the CMS NPPES public registry.