NPIMap

Individual provider Active NPI

Karen Elizabeth Olson, MD

  • Emergency Medicine Physician
  • Flagstaff, AZ
National Provider Identifier
1659957165
Registry record updated Oct 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
78302 Issued in AZ
Practice address
1200 N Beaver St
Flagstaff, AZ 86001-3118
Phone
(928) 214-3930
NPI assigned
Mar 23, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 16, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 78302 AZ Primary
Emergency Medicine Physician 207P00000X DR.0072627 CO

Addresses

Primary practice location

1200 N Beaver St
Flagstaff, AZ 86001-3118

Mailing address

1200 N Beaver St
Flagstaff, AZ 86001-3118

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO, AZ2 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
I20240614002677 CO Practitioner - Emergency Medicine 3779984257 Reassigns benefits to 3 organizations
I20251030003377 AZ Practitioner - Emergency Medicine 3779984257 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of Pittsburgh School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Flagstaff Emergency PhysiciansGroup PAC ID 2860380813, 43 clinicians

Practice addresses (Care Compare)

1200 N Beaver St
Flagstaff, AZ 86001-3118
Phone (928) 774-1693

16320 W 64TH Ave
Arvada, CO 80007-7415
Phone (303) 925-4560

7000 E Hampden Ave
Denver, CO 80224-3012
Phone (330) 925-4199

760 Warner Dr
Golden, CO 80401-5297
Phone (303) 925-4360

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.65 of 100Reported as group
Quality
86.65
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as group
Quality
91.15
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
78302AZMDEmergency Medicine Physician
DR.0072627COMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Usacs Community Emergency Services of Colorado, Inc. Emergency Medicine CurrentSince Jul 1, 2024 Accepting new patients
Flagstaff Emergency Physicians Emergency Medicine CurrentSince Oct 17, 2025 Accepting new patients
Usacs of Colorado, Inc Emergency Medicine Current Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. CurrentSince Apr 30, 2024 Accepting new patients
Usacs of Colorado Inc Emergency Medicine CurrentSince Apr 30, 2024 Accepting new patients
Usacs Community Emergency Services of Colorado, Inc. Emergency Medicine Current Accepting new patients
Usacs Community Emergency Services of Colorado, Inc. Emergency Medicine CurrentSince Jul 1, 2024 Accepting new patients
Usacs of Colorado Inc Emergency Medicine CurrentSince Apr 30, 2024 Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. Emergency Medicine CurrentSince Apr 30, 2024 Accepting new patients

Locations

269 S Candy Ln
Cottonwood, AZ 86326
Phone (928) 634-2251

1200 N Beaver St
Flagstaff, AZ 86001
Phone (928) 213-6235

7000 E Hampden Ave
Denver, CO 80224
Phone (330) 925-4199

11600 W 2nd Pl
Lakewood, CO 80228
Phone (720) 321-1010

7700 S Broadway
Littleton, CO 80122
Phone (303) 269-4786

Organizations & group practices 9

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 10

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

NPI Registry JSON

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

{
    "created_epoch": "1616457600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1659957165",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 N BEAVER ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860013118"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 N BEAVER ST",
            "city": "FLAGSTAFF",
            "state": "AZ",
            "postal_code": "860013118",
            "telephone_number": "928-214-3930"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLSON",
        "first_name": "KAREN",
        "middle_name": "ELIZABETH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-23",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "78302",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CO",
            "license": "DR.0072627",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Flagstaff, AZ

Sources for this page

Verify at the official NPI Registry.