Ryan Itoh, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A187158 Issued in CA

Practice address

31700 Temecula Parkway
Parkway Suites # 1- Gme
Temecula, CA 92592

Phone

(951) 331-2535

NPI assigned

Mar 28, 2021

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, TX2 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

Specialty

Emergency Medicine

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dallam-Hartley Counties Hospital DistrictGroup PAC ID 0143112805, shared by 6 NPIs, 17 clinicians

Em Alliance Texas PLLCGroup PAC ID 4587192430, 88 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bsa Hospital Hospital, Amarillo, TX, CCN 450231
• Northwest Texas Hospital Hospital, Amarillo, TX, CCN 450209
• Coon Memorial Hospital Hospital, Dalhart, TX, CCN 451331

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.

• Em Alliance Texas, PLLC

  • Emergency Medicine Physician
  • Amarillo, TX
  • NPI 1902621329
  Medicare reassignment Care Compare group NPD
• Chino Emergency Medical Associates, Inc.

  • Emergency Medicine Physician
  • Chino, CA
  • NPI 1013282029
  Medicare reassignment NPD
• Em Alliance California, Apc

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1376305755
  Medicare reassignment NPD
• Acs Primary Care Physicians Southwest, PA

  • Emergency Medicine Physician
  • Gainesville, TX
  • NPI 1538101019
  Medicare reassignment NPD
• Dallam-Hartley Counties Hospital District

  • Critical Access Hospital
  • Dalhart, TX
  • NPI 1245353747
  Medicare reassignment NPD
• Dallam-Hartley Counties Hospital District

  • Critical Access Hospital
  • Dalhart, TX
  • NPI 1639176456
  Medicare reassignment NPD
• Dallam-Hartley Counties Hospital District

  • Land Ambulance
  • Dalhart, TX
  • NPI 1689032856
  NPD
• High Country Community Rural Health Clinic

  • Medical Physician Assistant
  • Dalhart, TX
  • NPI 1699943191
  NPD (past)

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

• Bsa Hospital LLC

  • General Acute Care Hospital
  • Amarillo, TX
  • NPI 1407191984
  Care Compare affiliation
• Dallam-Hartley Counties Hospital District

  • Critical Access Hospital
  • Dalhart, TX
  • NPI 1639176456
  Care Compare affiliation
• Northwest Texas Healthcare System Inc

  • General Acute Care Hospital
  • Amarillo, TX
  • NPI 1467442418
  Care Compare affiliation

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

{
    "created_epoch": "1616889600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772755200000",
    "number": "1962089573",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "31700 TEMECULA PKWY STE 1",
            "city": "TEMECULA",
            "state": "CA",
            "postal_code": "925925896"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "31700 TEMECULA PARKWAY",
            "address_2": "PARKWAY SUITES # 1- GME",
            "city": "TEMECULA",
            "state": "CA",
            "postal_code": "92592",
            "telephone_number": "951-331-2535"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ITOH",
        "first_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-28",
        "last_updated": "2026-03-06",
        "certification_date": "2026-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "V4124",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A187158",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Celeste Javira Isas
• Elaina Isbell
• Rilizza Janae Isla
• Sherean Ismail
• Reda Issa, M.D.
• Sarah Iverson, PPS
• Christopher John Ivey, MPT,OCS
• Ivonne Vazquez DDS Inc
• Kamryn Izquierdo
• J Hernandez DDS Inc

• Emergency Medicine Physician in Temecula, CA
• Providers in Temecula, CA by specialty
• Emergency Medicine Physician in California

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