Individual provider Active NPI

Hayley Geisterfer

  • Physician Assistant
  • Greeley, CO
National Provider Identifier
1295684496
Registry record updated Feb 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
1624 17TH Ave
Greeley, CO 80631-5129
Phone
(970) 212-5150
NPI assigned
Jan 22, 2026
Last updated
Feb 10, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X NU Primary

Addresses

Primary practice location

1624 17TH Ave
Greeley, CO 80631-5129

Mailing address

229 Locust St
Windsor, CO 80550-5257
Phone (970) 310-3385

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
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

Enrollment IDStateProvider typePAC IDDetails
I20260224002398 CO Practitioner - Physician Assistant 9335620715 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Nadora Urgent Care, LLCGroup PAC ID 9335688860, 8 clinicians

Practice addresses (Care Compare)

1624 17TH Ave
Greeley, CO 80631-5129
Phone (970) 663-3200

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Nadora Urgent Care, LLC CurrentSince Feb 3, 2026 Accepting new patients

Locations

1624 17th Ave
Greeley, CO 80631
Phone (970) 353-5400

4397 Ronald Reagan Blvd
Johnstown, CO 80534
Phone (954) 593-6440

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1769040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1295684496",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "229 LOCUST ST",
            "city": "WINDSOR",
            "state": "CO",
            "postal_code": "805505257",
            "telephone_number": "970-310-3385"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1624 17TH AVE",
            "city": "GREELEY",
            "state": "CO",
            "postal_code": "806315129",
            "telephone_number": "970-212-5150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEISTERFER",
        "first_name": "HAYLEY",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-01-22",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greeley, CO

Sources for this page

Verify at the official NPI Registry.