Matthew D Fain, DO

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

009886 Issued in AZ

Practice address

500 W Thomas Rd Ste 500
Phoenix, AZ 85013-4220

Phone

(602) 406-4000

Fax

(602) 406-6498

NPI assigned

Jul 13, 2010

Last updated

Feb 27, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NV, AZ2 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

Critical Care (Intensivists)Also: Pulmonary Disease

Education

Arizona College of Osteopathic Medicine Mid Western University, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sjhmc Physician ServicesGroup PAC ID 4486646197, 645 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Josephs Hospital and Medical Center Hospital, Phoenix, AZ, CCN 030024

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mfain18608@direct.umcsn.com

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.

• Sjhmc Physician Services

  dba St. Joseph's Faculty Physicians

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1326098005
  Medicare reassignment Care Compare group NPD
• Sound Intensivists of Nevada Rbessler MD PLLC

  • Critical Care Medicine (Internal Medicine) Physician
  • Henderson, NV
  • NPI 1841728417
  Medicare reassignment NPD
• Unlv Medicine

  • Internal Medicine Physician
  • Las Vegas, NV
  • NPI 1407397235
  Medicare reassignment NPD
• St. Joseph's Hospital and Medical Center

  dba SJHMC Trauma Services

  • Emergency Care Clinic/Center
  • Phoenix, AZ
  • NPI 1255382412
  NPD
• Unlv Medicine

  dba Mojave Pharmacy

  • Community/Retail Pharmacy
  • Las Vegas, NV
  • NPI 1184152274
  NPD
• Unlv Medicine

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Las Vegas, NV
  • NPI 1538694575
  NPD

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

• Dignity Health

  dba St. Josephs Hospital and Medical Center Emergency Dept-Litchfield Park

  • Emergency Care Clinic/Center
  • Litchfield Park, AZ
  • NPI 1265065445

  Hospital

  Care Compare affiliation
• Dignity Health

  dba St. Josephs Hospital and Medical Center Emergency Dept-Glendale

  • Emergency Care Clinic/Center
  • Glendale, AZ
  • NPI 1609408665

  Hospital

  Care Compare affiliation
• Dignity Health

  dba St. Joseph's Hospital and Medical Center

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1982733655
  Care Compare affiliation
• Dignity Health

  dba St. Joseph's Westgate Medical Center

  • General Acute Care Hospital
  • Glendale, AZ
  • NPI 1992131734
  Care Compare affiliation

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

{
    "created_epoch": "1278979200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1720390107",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 W THOMAS RD STE 500",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134220",
            "telephone_number": "602-406-4000",
            "fax_number": "602-406-6498"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 W THOMAS RD STE 500",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134220",
            "telephone_number": "602-406-4000",
            "fax_number": "602-406-6498"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1707 W Charleston Blvd Ste 270",
            "address_purpose": "LOCATION",
            "city": "Las Vegas",
            "state": "NV",
            "postal_code": "891022326",
            "country_code": "US",
            "telephone_number": "702-671-5060",
            "fax_number": "702-671-5198",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FAIN",
        "first_name": "MATTHEW",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-07-13",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "NV",
            "license": "DO2101",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "AZ",
            "license": "009886",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "192884",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sean Fahlgren, DPT
• Chloe Leslie Fahrberger, MS, BCBA
• Joseph Faia
• Faiith Group Home LLC
• Karen Marie Fain, MFT
• Annie Fair, M.S.W.
• Mary Fairbairn-Rodriguez
• Braiden Clark Fairbanks, PA-C
• Ronald T Faircloth, LPC, LISAC
• Fairclough Behavior Services LLC Az

• Critical Care Medicine (Internal Medicine) Physician in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Critical Care Medicine (Internal Medicine) Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 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.