NPIMap

Individual provider Active NPI

Riikka Erin Koso, M.D.

  • Orthopaedic Surgery Physician
  • Fort Collins, CO
National Provider Identifier
1093240376
Registry record updated Feb 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
DR.0070972 Issued in CO
Practice address
2500 E Prospect Rd
Fort Collins, CO 80525-9718
Phone
(970) 493-0112
Fax
(970) 493-1794
NPI assigned
Apr 25, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 5, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X DR.0070972 CO Primary
Orthopaedic Hand Surgery Physician 207XS0106X DR.0070972 CO

Addresses

Primary practice location

2500 E Prospect Rd
Fort Collins, CO 80525-9718

Mailing address

2500 E Prospect Rd
Fort Collins, CO 80525-9718
Phone (970) 493-0112

Other practice location 1

1926 61st Ave
Greeley, CO 80634-8165
Phone (970) 573-3224

Other practice location 2

3470 E 15th St
Loveland, CO 80538-8809
Phone (970) 663-3975

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230522003459 CO Practitioner - Orthopedic SurgeryPractitioner - Hand Surgery 9234407404 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic SurgeryAlso: Hand Surgery
Education
Duke University School of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthopaedic and Spine Center of the Rockies PCGroup PAC ID 0244126365, 145 clinicians

Practice addresses (Care Compare)

2500 E Prospect Rd
Fort Collins, CO 80525-9718
Phone (970) 493-0112

Hospital & facility affiliations

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

Merit-based Incentive Payment System (MIPS)

Final score
74.72 of 100Reported as group
Quality
70.39
Promoting interoperability
71
Improvement activities
40
Cost
69.52

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper limb (arm) arthroscopy (minimally invasive joint repair)50
Melanoma (skin cancer) excision1-10
Removal of tissue1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopaedic & Spine Center of the Rockies PC Orthopaedic Surgery CurrentSince Jul 1, 2023 Accepting new patients

Locations

2500 E Prospect Rd
Fort Collins, CO 80525
Phone (800) 722-7441

1926 61st Ave
Greeley, CO 80634
Phone (970) 573-3224

3470 E 15th St
Loveland, CO 80538
Phone (970) 663-3975

Organizations & group practices 1

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 19

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

View all 19

NPI Registry JSON

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

{
    "created_epoch": "1493078400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1093240376",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 E PROSPECT RD",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805259718",
            "telephone_number": "970-493-0112",
            "fax_number": "970-493-0521"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 E PROSPECT RD",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805259718",
            "telephone_number": "970-493-0112",
            "fax_number": "970-493-1794"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1926 61st Ave",
            "address_purpose": "LOCATION",
            "city": "Greeley",
            "state": "CO",
            "postal_code": "806348165",
            "country_code": "US",
            "telephone_number": "970-573-3224",
            "fax_number": "970-493-0521",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3470 E 15th St",
            "address_purpose": "LOCATION",
            "city": "Loveland",
            "state": "CO",
            "postal_code": "805388809",
            "country_code": "US",
            "telephone_number": "970-663-3975",
            "fax_number": "970-493-0521",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOSO",
        "first_name": "RIIKKA",
        "middle_name": "ERIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-25",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CO",
            "license": "DR.0070972",
            "primary": true
        },
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "CO",
            "license": "DR.0070972",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Collins, CO

Sources for this page

Verify at the official NPI Registry.