DR. THOMAS KELLER LEONARD MD
NPI 1740223676
Emergency Medicine in Leesburg, FL
About Dr. Thomas Keller Leonard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS KELLER LEONARD MD (NPI 1740223676) is an individual emergency medicine provider in Leesburg, Florida, licensed in Florida (ME73798) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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)
Dr. Thomas Keller Leonard Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Thomas Leonard reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Leesburg, FL 34748
- Reassigned Medicare billing, Florida enrollment
- 95 clinicians in this Medicare group
Winter Haven, FL 33881
- Reassigned Medicare billing, Florida enrollment
- 1,065 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 1,912 clinicians in this Medicare group
Birmingham, AL 35205
- Reassigned Medicare billing, Florida enrollment
- 802 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 3
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 34748 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LEESBURG, FL 34748
LEESBURG, FL 34748
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 Thomas Leonard's NPI number?
The NPI number for Thomas Leonard is 1740223676. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is Thomas Leonard located?
Thomas Leonard practices at 600 E Dixie Ave, Leesburg, FL 34748. The listed phone number is (352) 323-5762.
What is Thomas Leonard's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Thomas Leonard enrolled in Medicare?
Yes. Thomas Leonard is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Thomas Leonard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Leonard reassigns Medicare benefits to 4 organizations: Leesburg Regional Medical Center Physician Services LLC (Leesburg, FL), Paragon Emergency Services LLC (Winter Haven, FL), Emergency Medicine Services Of Fl, LLC (Aventura, FL) and Paragon Contracting Services LLC (Birmingham, AL). 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 Thomas Leonard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Leonard accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Thomas Leonard 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 Thomas Leonard was last updated on November 9, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Thomas Keller Leonard, MD · NPI 1740223676
Emergency Medicine physician in Leesburg, Florida. Individual provider, active in the CMS NPPES registry since June 14, 2006.
## Identity
- **NPI:** 1740223676 (Entity type: Individual)
- **Enumerated:** June 14, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** ME73798 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 E DIXIE AVE, Leesburg, FL 34748-5925
- **Phone:** (352) 323-5762
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Leesburg Regional Medical Center Physician Services LLC (NPI 1104063114, Leesburg, FL); Paragon Emergency Services LLC (NPI 1912101650, Winter Haven, FL); Emergency Medicine Services Of Fl, LLC (NPI 1043917180, Aventura, FL); Paragon Contracting Services LLC (NPI 1225071459, Birmingham, AL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 9, 2009
- **Other identifiers:** Medicare PIN 41607N (FL); Medicare PIN 41607O (FL); Medicare UPIN F69057 (FL); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1740223676) · Data from the CMS NPPES public registry.