Mercedes Longshaw Mortensen, AGNP-C

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

283800-4405 Issued in UT

Practice address

522 E 100 S
Salt Lake City, UT 84102-1905

Phone

(801) 485-5055

NPI assigned

Jul 27, 2021

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other names 1

• Mrs. Mercedes Longshaw Olsen Former name

Medicare fee-for-service enrollment

Enrolled in UT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

University of South Alabama College of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Ihc Health Services IncGroup PAC ID 1850209420, 3,948 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Intermountain Health Alta View Hospital Hospital, Sandy, UT, CCN 460044
• Intermountain Health Riverton Hospital Hospital, Riverton, UT, CCN 460058

Merit-based Incentive Payment System (MIPS)

Final score

44.32 of 100Reported as group

Quality

56.63

Promoting interoperability

0

Improvement activities

0

Cost

69.32

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

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.

• Ihc Health Services Inc

  • Multi-Specialty Clinic/Center
  • Sandy, UT
  • NPI 1942325154
  Medicare reassignment Care Compare group NPD
• Livi Medical Services LLC

  dba Elevation Primary and Palliative

  • Family Medicine Physician
  • Phoenix, AZ
  • NPI 1457667750

  UT

  Medicare reassignment NPD
• Ihc Health Services Inc

  dba Utah Valley Pain Management

  • Pain Medicine (Physical Medicine & Rehabilitation) Physician
  • Orem, UT
  • NPI 1699148197
  NPD
• Ihc Health Services, Inc.

  dba St George Adolescent Partial Hospitalization

  • Psychiatry Physician
  • St George, UT
  • NPI 1023843844
  NPD
• Ihc Health Services Inc

  dba Orem Community Hospital Physicians

  • Multi-Specialty Clinic/Center
  • Orem, UT
  • NPI 1588601124
  NPD (past)

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

• Ihc Health Services Inc

  dba Intermountain Health Riverton Hospital

  • General Acute Care Hospital
  • Riverton, UT
  • NPI 1154551919
  Care Compare affiliation
• Ihc Health Services Inc

  dba Intermountain Health Alta View Hospital

  • General Acute Care Hospital
  • Sandy, UT
  • NPI 1962412486
  Care Compare affiliation

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

{
    "created_epoch": "1627344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753833600000",
    "number": "1811660764",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3204 S HARMONY CIR",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841092706",
            "telephone_number": "925-262-7059"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "522 E 100 S",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841021905",
            "telephone_number": "801-485-5055"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5169 S Cottonwood St Ste 500",
            "address_purpose": "LOCATION",
            "city": "Murray",
            "state": "UT",
            "postal_code": "841076770",
            "country_code": "US",
            "telephone_number": "801-507-5152",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MORTENSEN",
        "first_name": "MERCEDES",
        "middle_name": "LONGSHAW",
        "name_prefix": "Mrs.",
        "credential": "AGNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-07-27",
        "last_updated": "2025-07-30",
        "certification_date": "2025-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "UT",
            "license": "283800-4405",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "UT",
            "license": "283800-4405",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MERCEDES",
            "last_name": "OLSEN",
            "middle_name": "LONGSHAW",
            "prefix": "MRS.",
            "credential": "RN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jamie Mortensen
• Jamie Michelle Mortensen, LCSW
• Jodi Lynn Mortensen, FNP
• Kelly Christine Mortensen, DPT
• Lori Mortensen
• Mia Mortensen, TRS, CTRS
• Micah G. Mortensen, D.D.S., M.S.D.
• Shannon Mortensen
• Sharalynn Mortensen
• Spencer David Mortensen, O.D, F.A.A.O.

• Gerontology Nurse Practitioner in Salt Lake City, UT
• Providers in Salt Lake City, UT by specialty
• Gerontology Nurse Practitioner in Utah

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.