Individual provider Active NPI

James Francis Leoni Jr., M.D.

  • Pediatric Emergency Medicine (Emergency Medicine) Physician
  • Madera, CA
National Provider Identifier
1821394644
Registry record updated May 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Emergency Medicine (Emergency Medicine) PhysicianTaxonomy code 207PP0204X
License
A160802 Issued in CA
Practice address
9300 Valley Childrens PL # FC06
Madera, CA 93636-8761
Phone
(559) 353-3000
NPI assigned
Jan 27, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X A160802 CA Primary

Addresses

Primary practice location

9300 Valley Childrens PL # FC06
Madera, CA 93636-8761

Mailing address

9300 Valley Childrens PL # SC05
Madera, CA 93636-8761
Phone (559) 353-5700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, WA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20170329000967 TX Practitioner - Emergency Medicine 3274818554 Reassigns benefits to 2 organizations
I20201006002938 WA Practitioner - Emergency MedicinePractitioner - Pediatric Medicine 3274818554 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency MedicineAlso: Pediatric Medicine
Education
University of California, Davis School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

4800 Sand Point Way NE
Seattle, WA 98105-3901
Phone (206) 526-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as apm
Quality
74.6
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A160802CAMDPediatric Emergency Medicine (Emergency Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine CurrentSince May 1, 2017 Accepting new patients
Baylor College of Medicine CurrentSince May 1, 2017 Accepting new patients
The Association of Chrmc and University Physicians Pediatric Emergency Medicine CurrentSince Sep 30, 2020 Accepting new patients
Association of CHMC and University Physicians CurrentSince Sep 30, 2020 Accepting new patients
Travis County Emergency Physicians PA Emergency Medicine CurrentSince Apr 23, 2024 Accepting new patients
The Association of University Physicians CurrentSince Jan 13, 2021 Accepting new patients

Locations

7900 Ranch Road 1826
Austin, TX 78737
Phone (512) 324-5305

2615 Southwest Fwy
Ste 140
Houston, TX 77098
Phone (713) 441-2779

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

6001 Kyle Pkwy
Kyle, TX 78640
Phone (512) 504-5000

1310 E League City Pkwy
League City, TX 77573
Phone (346) 427-5050

11525 Broadway St
Pearland, TX 77584
Phone (713) 363-8020

900 Pacific Ave
Ste 100
Everett, WA 98201
Phone (425) 304-6080

4800 Sand Point Way NE
Seattle, WA 98105
Phone (206) 526-2000

1959 NE Pacific St
Seattle, WA 98195
Phone (206) 598-4333

325 9th Ave
Seattle, WA 98104
Phone (206) 731-3000

Interoperability endpoints

  • Direct secure messaging: jleoni130639@direct.seattlechildrens.org

Organizations & group practices 6

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1296086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1821394644",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9300 VALLEY CHILDRENS PL # SC05",
            "city": "MADERA",
            "state": "CA",
            "postal_code": "936368761",
            "telephone_number": "559-353-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9300 VALLEY CHILDRENS PL # FC06",
            "city": "MADERA",
            "state": "CA",
            "postal_code": "936368761",
            "telephone_number": "559-353-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONI",
        "first_name": "JAMES",
        "middle_name": "FRANCIS",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-01-27",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "CA",
            "license": "A160802",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madera, CA

Sources for this page

Verify at the official NPI Registry.