Eric S Cassidy, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

O-235 Issued in ID

Practice address

650 Addison Ave W
Twin Falls, ID 83301-5444

Phone

(208) 732-3429

Fax

(208) 732-3220

NPI assigned

Jun 14, 2006

Last updated

Jul 13, 2026By the provider in NPPES

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 ID

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

At Still University of Health Sciences, College of Osteo Med, Kirksville, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

St Lukes Clinic LLCGroup PAC ID 1052217478, 313 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Lukes Magic Valley Medical Center Hospital, Twin Falls, ID, CCN 130002

Merit-based Incentive Payment System (MIPS)

Final score

85.09 of 100Reported as group

Quality

77.1

Promoting interoperability

100

Improvement activities

40

Cost

73.19

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ecassidy30728@direct.slhs.org

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.

• St Luke's Clinic LLC

  dba St Lukes Clinic - Magic Valley/Jerome

  • Family Medicine Physician
  • Twin Falls, ID
  • NPI 1790718229
  Medicare reassignment Care Compare group NPD
• Magic Valley Regional Medical Center

  • Psychiatric Hospital
  • Twin Falls, ID
  • NPI 1447208947
  NPD (past)
• St Benedicts Family Medical Center

  dba Fifth Avenue Clinic

  • Multi-Specialty Clinic/Center
  • Jerome, ID
  • NPI 1922037530
  NPD (past)

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

• St. Luke's Magic Valley Regional Medical Center, LTD.

  dba St Lukes Magic Valley - Air Ambulance

  • General Acute Care Hospital
  • Twin Falls, ID
  • NPI 1932154705
  Care Compare affiliation

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1982647830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 409",
            "city": "TWIN FALLS",
            "state": "ID",
            "postal_code": "833030409",
            "telephone_number": "208-732-3429",
            "fax_number": "208-732-3220"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "650 ADDISON AVE W",
            "city": "TWIN FALLS",
            "state": "ID",
            "postal_code": "833015444",
            "telephone_number": "208-732-3429",
            "fax_number": "208-732-3220"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASSIDY",
        "first_name": "ERIC",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ID",
            "license": "O-235",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Juan Carhuas
• Isaac Steen Carling, DPT
• John S Carmichael, CRNA
• Susan Clair Carpenter, D.O.
• Janice Carter, FNP
• Morgan Rae Cassidy, DO
• Kristy Castille, LCSW
• Castle Therapy PLLC
• Kimberly Anne Cato, MS CCC SLP
• Cystral C Cavillo

• Emergency Medicine Physician in Twin Falls, ID
• Providers in Twin Falls, ID by specialty
• Emergency Medicine Physician in Idaho

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.