DR. JAMES ALEXANDER LEONARD MD
NPI 1962962928
Otolaryngology - Pediatric Otolaryngology in Washington, DC
About Dr. James Alexander Leonard Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES ALEXANDER LEONARD MD (NPI 1962962928) is an individual pediatric otolaryngology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600001742) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2019).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Alexander Leonard Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Leonard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 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.
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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 James Leonard's NPI number?
The NPI number for James Leonard is 1962962928. It was assigned to this individual provider in the NPPES registry on March 24, 2019.
Where is James Leonard located?
James Leonard practices at 111 Michigan Ave NW, Washington, DC 20010. The listed phone number is (202) 476-5000.
What is James Leonard's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is James Leonard enrolled in Medicare?
Yes. James Leonard is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Leonard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Leonard reassigns Medicare benefits to Children's Hospital (Washington, DC). 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 James Leonard'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 James Leonard was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. James Alexander Leonard, MD · NPI 1962962928
Pediatric Otolaryngology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 24, 2019.
## Identity
- **NPI:** 1962962928 (Entity type: Individual)
- **Enumerated:** March 24, 2019
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** MD600001742 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 MICHIGAN AVE NW, Washington, DC 20010-2916
- **Phone:** (202) 476-5000
## 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:** Children's Hospital (NPI 1780800128, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 2019
## Record status
- **NPPES last updated:** August 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1962962928) · Data from the CMS NPPES public registry.