Derek Lee Frieden, MD

Primary specialty

Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X

License

5912590-1205 Issued in UT

Practice address

2891 E Mall Drive, Ste 101
St. George, UT 84790

Phone

(435) 656-2424

Fax

(435) 656-2828

NPI assigned

Nov 2, 2005

Last updated

Apr 2, 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 3

Addresses

Medicare fee-for-service enrollment

Enrolled in UT, NV2 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

Interventional Pain ManagementAlso: Anesthesiology

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southwest Spine and Pain Care Specialists LLCGroup PAC ID 6406020049, 42 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St. George Regional Hospital Hospital, St George, UT, CCN 460021

Merit-based Incentive Payment System (MIPS)

Final score

78.97 of 100Reported as group

Quality

68.31

Promoting interoperability

86

Improvement activities

40

Cost

73.25

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: derek.frieden.1@2184.direct.athenahealth.com
• Direct secure messaging: derek.frieden@ssapcsl-ut.direct.office.nextgen.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.

• Southwest Spine and Pain Care Specialists, LLC

  dba Physician Laboratory Services

  • Pain Medicine (Anesthesiology) Physician
  • St George, UT
  • NPI 1144509985
  Medicare reassignment Care Compare group NPD
• Mesquite Clinic Management Company LLC

  • Internal Medicine Physician
  • Mesquite, NV
  • NPI 1548800501
  Medicare reassignment NPD
• Southwest Spine and Pain Care Specialists, LLC

  dba Physicians Laboratory Services

  • Clinical Medical Laboratory
  • St George, UT
  • NPI 1003441858
  Authorized official Same address or phone
• Southwest Spine and Pain Care Specialists, LLC

  • Pain Medicine (Anesthesiology) Physician
  • Vineyard, UT
  • NPI 1700234499
  Authorized official Same address or phone
• Southwest Spine and Pain Care Specialists, LLC

  dba Southwest Spine and Pain Center

  • Pain Medicine (Anesthesiology) Physician
  • Cedar City, UT
  • NPI 1891320644
  Authorized official Same address or phone
• Richfield Surgery Center, LLC

  • Ambulatory Surgical Clinic/Center
  • Richfield, UT
  • NPI 1326512070
  NPD
• Southwest Spine and Pain Care Specialists, LLC

  dba Vista Spine Sports and Injury Center

  • Chiropractor
  • St George, UT
  • NPI 1871263178
  NPD
• Vineyard Surgery Center, LLC

  • Ambulatory Surgical Clinic/Center
  • Vineyard, UT
  • NPI 1821759705
  NPD
• Mesquite Clinic Management Company LLC

  • Rural Health Clinic/Center
  • Logandale, NV
  • NPI 1982275236
  NPD
• Southeast Pain Management Services, PLLC

  • Pain Medicine (Anesthesiology) Physician
  • Charlotte, NC
  • NPI 1255396933
  NPD (past)

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

• Ihc Health Services, Inc.

  dba Intermountain Health St. George Regional Hospital

  • General Acute Care Hospital
  • St George, UT
  • NPI 1366452880
  Care Compare affiliation

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

{
    "created_epoch": "1130889600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1528059201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 912042",
            "city": "ST GEORGE",
            "state": "UT",
            "postal_code": "847912042",
            "telephone_number": "435-215-0230",
            "fax_number": "435-986-7092"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2891 E MALL DRIVE, STE 101",
            "city": "ST. GEORGE",
            "state": "UT",
            "postal_code": "84790",
            "telephone_number": "435-656-2424",
            "fax_number": "435-656-2828"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRIEDEN",
        "first_name": "DEREK",
        "middle_name": "LEE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-02",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "UT",
            "license": "59125901205",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "NV",
            "license": "24865",
            "primary": false
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "UT",
            "license": "5912590-1205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mikayla Janine Frei, ATC
• Rhett R Frei, D.O.
• Kena Marin Frey, LCSW
• Tana Frey, ACMHC
• Valerie Friant
• Karen Frieden, M.D.
• Friends of Switchpoint
• Friends of Switchpoint Inc. (Crossover Recovery Center)
• Frontier Leasing Management LC (Love Home Health-St George)
• Frontier Leasing Management LLC (Love Home Health)

• Interventional Pain Medicine Physician in St George, UT
• Providers in St George, UT by specialty
• Interventional Pain Medicine Physician in Utah

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 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.