NPIMap

Individual provider Active NPI

Alexander William Nielsen, MD

  • Orthopaedic Surgery Physician
  • Salt Lake City, UT
National Provider Identifier
1285194332
Registry record updated Aug 7, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
13775607-1205 Issued in UT
Practice address
24 S 1100 E Ste 101
Salt Lake City, UT 84102-1562
Phone
(801) 355-6468
NPI assigned
Mar 24, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 7, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X WI
Orthopaedic Surgery Physician 207X00000X 13775607-1205 UT Primary

Addresses

Primary practice location

24 S 1100 E Ste 101
Salt Lake City, UT 84102-1562

Mailing address

9200 W. Wisconsin Ave
P.O. Box 26099
Milwaukee, WI 53226-2257
Phone (414) 805-3666

Other practice location 1

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (800) 803-8155

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in UT, CO2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240614000280 UT Practitioner - Orthopedic Surgery 4486089976 Reassigns benefits to 1 organization
I20250429000856 CO Practitioner - Orthopedic Surgery 4486089976 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Medical College of Wisconsin, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Select Physical Therapy of West Denver Limited PartnershipGroup PAC ID 6709771157, shared by 5 NPIs, 530 clinicians
North Colorado Spine Center, LLCGroup PAC ID 9133211188, 5 clinicians

Practice addresses (Care Compare)

2964 Ginnala Dr
Loveland, CO 80538-2701
Phone (970) 667-7755

4617 W 20TH St
Greeley, CO 80634-3207
Phone (970) 352-9022

6200 W 9TH St Unit 1
North Colorado Spine and Orthopaedics
Greeley, CO 80634-4462
Phone (970) 353-5959

Hospital & facility affiliations

  • Poudre Valley Hospital Hospital, Fort Collins, CO, CCN 060010
  • East Morgan County Hospital Hospital, Brush, CO, CCN 061303
  • Uchealth Greeley Hospital Hospital, Greeley, CO, CCN 060131
  • Medical Center of the Rockies Hospital, Loveland, CO, CCN 060119

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement11
Knee replacement11
Lower limb (leg) arthroscopy (minimally invasive joint repair)1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
7874WIMDProfessional Counselor
13775607-1205UTMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
North Colorado Spine Center, LLC Orthopaedic Surgery CurrentSince Jun 1, 2025 Accepting new patients
Hofmann Arthritis Institute, PLLC Orthopaedic Surgery CurrentSince Jul 1, 2024 Accepting new patients

Locations

6200 W 9th St
Unit 1B
Greeley, CO 80634
Phone (970) 352-8333

11613 S State St
Draper, UT 84020
Phone (385) 414-7080

24 S 1100 E
Ste 101
Slc, UT 84102
Phone (801) 355-2424

Organizations & group practices 2

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.

Hospital & facility affiliations 20

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

View all 20

NPI Registry JSON

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

{
    "created_epoch": "1553385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1722988800000",
    "number": "1285194332",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9200 W. WISCONSIN AVE",
            "address_2": "P.O. BOX 26099",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532262257",
            "telephone_number": "414-805-3666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24 S 1100 E STE 101",
            "city": "SALT LAKE CITY",
            "state": "UT",
            "postal_code": "841021562",
            "telephone_number": "801-355-6468"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "800-803-8155",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIELSEN",
        "first_name": "ALEXANDER",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-24",
        "last_updated": "2024-08-07",
        "certification_date": "2024-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "WI",
            "license": null,
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "UT",
            "license": "13775607-1205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Salt Lake City, UT

Sources for this page

Verify at the official NPI Registry.