DR. DAVID S LEONARD MD
NPI 1740444041
Otolaryngology - Pediatric Otolaryngology in Saint Louis, MO
About Dr. David S Leonard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID S LEONARD MD (NPI 1740444041) is an individual pediatric otolaryngology provider in Saint Louis, Missouri, licensed in Missouri (2018014209) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. David S Leonard 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 David Leonard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 96 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.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 David Leonard's NPI number?
The NPI number for David Leonard is 1740444041. It was assigned to this individual provider in the NPPES registry on July 15, 2008.
Where is David Leonard located?
David Leonard practices at 1 Childrens Pl Dept Otolaryngology, Ste 3S, Saint Louis, MO 63110. The listed phone number is (314) 454-6162.
What is David Leonard's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is David Leonard enrolled in Medicare?
Yes. David Leonard 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 David Leonard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Leonard reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 David Leonard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Leonard accept?
Health plans from Cox HealthPlans and UnitedHealthcare list David 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 David Leonard was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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. David S Leonard, MD · NPI 1740444041
Pediatric Otolaryngology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since July 15, 2008.
## Identity
- **NPI:** 1740444041 (Entity type: Individual)
- **Enumerated:** July 15, 2008
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** 2018014209 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PL, DEPT OTOLARYNGOLOGY, STE 3S, Saint Louis, MO 63110-1002
- **Phone:** (314) 454-6162 · **Fax:** (314) 454-2174
## 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:** Washington University (NPI 1356381842, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200001148 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1740444041) · Data from the CMS NPPES public registry.