Ryan Rees, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A187319 Issued in CA

Practice address

200 Mercy Circle
Camp Pendleton, CA 92055

Phone

(314) 747-4156

NPI assigned

Jun 19, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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

Washington University School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Em Alliance California ApcGroup PAC ID 1951749894, 68 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Southwest Healthcare Rancho Springs Hospital Hospital, Murrieta, CA, CCN 050701

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 California, Apc

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

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

• Universal Health Services of Rancho Springs Inc

  • General Acute Care Hospital
  • Murrieta, CA
  • NPI 1245221050
  Care Compare affiliation

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

{
    "created_epoch": "1560902400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1902466121",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 MERCY CIRCLE",
            "city": "CAMP PENDLETON",
            "state": "CA",
            "postal_code": "920555191",
            "telephone_number": "314-747-4156"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 MERCY CIRCLE",
            "city": "CAMP PENDLETON",
            "state": "CA",
            "postal_code": "92055",
            "telephone_number": "314-747-4156"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REES",
        "first_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-19",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A187319",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lynne Marie Reardon
• Anthony Miranda Recidoro, DO
• Daniel Grant Redifer, SOIDC
• Devin Conroy Reed, IDC
• Jessica Reed, C.N.M
• Elizabeth Anna Schroff Rettie, M.D.
• Tamar Rice
• Brandon Richards, IDC
• David Richards, M.D.
• Sharita J Richards, RN

• Emergency Medicine Physician in Camp Pendleton, CA
• Providers in Camp Pendleton, 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 Dec 8, 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.