NPIMap

Individual provider Active NPI

Stace Ann Fritzler, MD

  • Family Medicine Physician
  • Fort Collins, CO
National Provider Identifier
1912099599
Registry record updated Aug 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
36551 Issued in CO
Practice address
4601 S Mason St
Fort Collins, CO 80525-3740
Phone
(970) 266-3600
Fax
(970) 266-3629
NPI assigned
Sep 29, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 36551 CO Primary

Addresses

Primary practice location

4601 S Mason St
Fort Collins, CO 80525-3740

Mailing address

4601 S Mason St
Fort Collins, CO 80525-3740
Phone (970) 266-3600

Other identifiers 1

IdentifierTypeStateIssuer
01365519MedicaidCO

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
I20051108000418 CO Practitioner - Family Practice 9335165356 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Washington School of Medicine, 1996
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
Poudre Valley Medical Group LLCGroup PAC ID 9638208549, 2,425 clinicians

Practice addresses (Care Compare)

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

4601 S Mason St
Fort Collins, CO 80525-3740
Phone (970) 266-3600

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
36551COMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
VMD Primary Providers Colorado, Inc Family Medicine CurrentSince Jan 7, 2014 Accepting new patients

Locations

3519 Richmond Dr
Fort Collins, CO 80526
Phone (970) 204-0300

2121 E Harmony Rd
Unit 370
Fort Collins, CO 80528
Phone (970) 221-2290

1300 Riverside Ave
Ste 102
Fort Collins, CO 80524
Phone (970) 224-1670

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": "1159488000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1912099599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4601 S MASON ST",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805253740",
            "telephone_number": "970-266-3600",
            "fax_number": "970-266-3629"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4601 S MASON ST",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805253740",
            "telephone_number": "970-266-3600",
            "fax_number": "970-266-3629"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FRITZLER",
        "first_name": "STACE",
        "middle_name": "ANN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-29",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CO",
            "license": "36551",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01365519",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fort Collins, CO

Sources for this page

Verify at the official NPI Registry.