Michael Christopher Leeson, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

A1666571 Issued in CA

Practice address

4650 W Sunset Blvd
Los Angeles, CA 90027-6062

Phone

(323) 660-2450

NPI assigned

Apr 11, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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

Medical Genetics and Genomics

Education

University of Massachusetts Medical School, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Childrens Hospital Los Angeles Medical Group IncGroup PAC ID 0143126920, 288 clinicians

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 Los Angeles Medical Group, Inc.

  • Multi-Specialty Clinic/Center
  • Los Angeles, CA
  • NPI 1265530653

  Pediatrics

  Medicare reassignment Care Compare group NPD
• Children'S Hospital Los Angeles

  • Children's Chronic Disease Hospital
  • Los Angeles, CA
  • NPI 1366527954
  NPD (past)

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

{
    "created_epoch": "1523404800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1093212417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "62 QUINCY ST",
            "city": "QUINCY",
            "state": "MA",
            "postal_code": "021694920",
            "telephone_number": "617-697-2642"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4650 W SUNSET BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900276062",
            "telephone_number": "323-660-2450"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 W Carson St",
            "address_purpose": "LOCATION",
            "city": "Torrance",
            "state": "CA",
            "postal_code": "905022059",
            "country_code": "US",
            "telephone_number": "310-222-2345",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEESON",
        "first_name": "MICHAEL",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-11",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A1666571",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Saowaluck Leelaluckanakul-Tran, D.O.
• Daesoon Leem, MD
• Sandra Leem
• Alyson Lees, LMFT
• Christopher Richard Lees, MD
• Jennifer Gabrielle Leet, M.D.
• Clemence Lefebvre
• Peter M Lefevre, MD
• Rosalyn Leffall
• Sharon A. Leffall, N.P.

• Pediatrics Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2026; 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.