Individual provider Active NPI

Jason Michael Desadier, D.O.

  • Emergency Medicine Physician
  • Fresno, CA
National Provider Identifier
1952508848
Registry record updated Jul 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
20A-13739 Issued in CA
Practice address
1649 Van Ness Ave
Fresno, CA 93721-1128
Phone
(888) 530-4415
Fax
(833) 963-2082
NPI assigned
Jul 2, 2007
Last updated
Jul 17, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 20A-13739 CA Primary

Addresses

Primary practice location

1649 Van Ness Ave
Fresno, CA 93721-1128

Mailing address

1444 Belmont Park Rd
Oceanside, CA 92057-5727
Phone (707) 334-6089

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20150508000004 CA Practitioner - Emergency Medicine 0941443329 Reassigns benefits to 4 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A-13739CAMDEmergency Medicine Physician
DOS - 1264HIMDEmergency Medicine Physician
OP 60163818WAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Corona Regional Emergency Medical Associates Inc Emergency Medicine CurrentSince Mar 1, 2018 Accepting new patients
Peaceful Promise, Inc CurrentSince Sep 20, 2022 Accepting new patients
Em Alliance California, Apc Emergency Medicine CurrentSince Apr 16, 2024 Accepting new patients
Temecula Valley Emergency Physicians, Inc Emergency Medicine CurrentSince Mar 1, 2018 Accepting new patients
Lumberton Emergency Medical Associates PC Emergency Medicine PastSince Oct 1, 2023 Accepting new patients

Locations

800 S Main St
Corona, CA 92882
Phone (909) 625-5411

38600 Medical Center Dr
Palmdale, CA 93551
Phone (661) 382-5000

31700 Temecula Pkwy
Temecula, CA 92592
Phone (951) 303-8939

36485 Inland Valley Dr
Wildomar, CA 92595
Phone (909) 677-9778

L4421
Columbus, OH 43260

Interoperability endpoints

  • Direct secure messaging: jason.desadier.1@17371.direct.athenahealth.com
  • Direct secure messaging: ms_jdesadie@landmarkhealth-direct.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1183334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1952508848",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1444 BELMONT PARK RD",
            "city": "OCEANSIDE",
            "state": "CA",
            "postal_code": "920575727",
            "telephone_number": "707-334-6089"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1649 VAN NESS AVE",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937211128",
            "telephone_number": "888-530-4415",
            "fax_number": "833-963-2082"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DESADIER",
        "first_name": "JASON",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-07-02",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "20A-13739",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fresno, CA

Sources for this page

Verify at the official NPI Registry.