James Mathew Miller, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

20A23144 Issued in CA

Practice address

26520 Cactus Ave
Moreno Valley, CA 92555-3927

Phone

(951) 486-5650

NPI assigned

May 3, 2023

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

Emergency Medicine

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Em Alliance California ApcGroup PAC ID 1951749894, 68 clinicians

Southern California Emergency MedicineGroup PAC ID 8628128196, 45 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Palmdale Regional Medical Center Hospital, Palmdale, CA, CCN 050204
• Loma Linda University Medical Center-Murrieta Hospital, Murrieta, CA, CCN 050770

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/18095/brand/2/csg/1/fhir/r4

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 California, Apc

  • Emergency Medicine Physician
  • Murrieta, CA
  • NPI 1376305755
  Medicare reassignment Care Compare group NPD
• Southern California Emergency Medicine

  • Urgent Care Clinic/Center
  • San Bernardino, CA
  • NPI 1639314255
  Medicare reassignment Care Compare group
• Mountain View Emergency Physicians Medical Group, Inc.

  • Emergency Medicine Physician
  • Upland, CA
  • NPI 1619923653
  Medicare reassignment NPD
• Mountain View Urgent Care Group, Inc

  • Emergency Medicine Physician
  • Fontana, CA
  • NPI 1023306784
  Medicare reassignment NPD
• Cep America - California

  • Emergency Medicine Physician
  • San Francisco, CA
  • NPI 1023063542
  Medicare reassignment
• Mountain View Urgent Care Group, Inc

  • Emergency Medicine Physician
  • Pomona, CA
  • NPI 1801233036
  NPD

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

• Lancaster Hospital Corporation

  • General Acute Care Hospital
  • Palmdale, CA
  • NPI 1508856535
  Care Compare affiliation
• Loma Linda University Medical Center-Murrieta

  • General Acute Care Hospital
  • Murrieta, CA
  • NPI 1588908388
  Care Compare affiliation

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

{
    "created_epoch": "1683072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752796800000",
    "number": "1942999107",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26520 CACTUS AVE",
            "city": "MORENO VALLEY",
            "state": "CA",
            "postal_code": "925553927"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26520 CACTUS AVE",
            "city": "MORENO VALLEY",
            "state": "CA",
            "postal_code": "925553927",
            "telephone_number": "951-486-5650"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MILLER",
        "first_name": "JAMES",
        "middle_name": "MATHEW",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-05-03",
        "last_updated": "2025-07-18",
        "certification_date": "2025-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "20A23144",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cristal Millan
• Michael Millard, DO
• Aaliyah Miller
• Ana Miller, ACSW
• Colette Dorine Miller
• Phyllis Yvonne Miller
• Tyrone C Miller
• Jasmine Chastity Mims
• Aung Myo Min, D.D.S.
• Nicolas Kyung Joon Min, PHARMD

• Emergency Medicine Physician in Moreno Valley, CA
• Providers in Moreno Valley, 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 Jul 18, 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.