James Alexander Leonard, MD

Primary specialty

Pediatric Otolaryngology PhysicianTaxonomy code 207YP0228X

License

MD600001742 Issued in DC

Practice address

111 Michigan Ave NW
Washington, DC 20010-2916

Phone

(202) 476-5000

NPI assigned

Mar 24, 2019

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Otolaryngology

Education

Albert Einstein College of Medicine of Yeshiva University, 2019

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Children's Hospital

  • Children's Hospital
  • Washington, DC
  • NPI 1912939703
  Medicare reassignment NPD
• Children's Hospital

  dba Children's National Medical Associates

  • Pediatrics Physician
  • Washington, DC
  • NPI 1780800128
  NPD
• Children's Hospital

  dba Children's National Specialty Pharmacy

  • Community/Retail Pharmacy
  • Silver Spring, MD
  • NPI 1326878349
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1553385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755734400000",
    "number": "1962962928",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 744785",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303744785",
            "telephone_number": "202-476-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 MICHIGAN AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200102916",
            "telephone_number": "202-476-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONARD",
        "first_name": "JAMES",
        "middle_name": "ALEXANDER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-24",
        "last_updated": "2025-08-21",
        "certification_date": "2025-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207YP0228X",
            "taxonomy_group": "",
            "desc": "Otolaryngology, Pediatric Otolaryngology",
            "state": "DC",
            "license": "MD600001742",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Destinee Leonard
• Donta Leonard
• Dorothy Leonard
• Goodwill Leonard
• Ilana Nadia Leonard, PT, DPT
• Kara Leonard
• Nakima Leonard
• Robert James Leone, MD
• Peter Leong, M.D
• Monique Leopold, M.ED., ED.S.

• Pediatric Otolaryngology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Pediatric Otolaryngology Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.