Individual provider Active NPI

Alissa Smith, RN

  • Certified Registered Nurse Anesthetist
  • Fort Collins, CO
National Provider Identifier
1871050799
Registry record updated Sep 19, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
APN.0994687-CRNA Issued in CO
Practice address
3702 Automation Way Ste 103
Fort Collins, CO 80525-5738
Phone
(970) 224-2985
NPI assigned
Feb 27, 2019
Last updated
Sep 19, 2019By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 19, 2019

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X APN.0994687-CRNA CO Primary
Registered Nurse 163W00000X 4704324132 MI
Registered Nurse 163W00000X 1660470 CO

Addresses

Primary practice location

3702 Automation Way Ste 103
Fort Collins, CO 80525-5738

Mailing address

3702 Automation Way Ste 103
Fort Collins, CO 80525-5738
Phone (970) 224-2985

Other practice location 1

4303 Deeside Dr
Brighton, MI 48116-8062
Phone (507) 250-2550

Other names 1

  • Alissa Weispfenning Former name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191014000477 CO Practitioner - Certified Registered Nurse Anesthetist (Crna) 9335470939 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Michigan State University College of Human Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Diehl Anesthesia IncGroup PAC ID 6800197575, 35 clinicians
US Anesthesia Partners of Colorado IncGroup PAC ID 6002072055, 472 clinicians

Practice addresses (Care Compare)

1390 Dry Creek Dr
Suite B
Longmont, CO 80503-6505
Phone (303) 805-7477

9191 Grant St
Thornton, CO 80229-4361
Phone (303) 438-3999

Merit-based Incentive Payment System (MIPS)

Final score
84.8 of 100Reported as group
Quality
85
Improvement activities
40
Cost
76.83

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse, Registered Nurse

State licenses

LicenseStateTypeSpecialty
1660470COMDRegistered Nurse
4704324132MIMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Diehl Anesthesia Inc CurrentSince Jul 1, 2025 Accepting new patients
Arapahoe Gastroenterology Anesthesia Associates LLC Nurse Anesthetist, Certified Registered CurrentSince Feb 28, 2025 Accepting new patients
Northern Colorado Anesthesia Professionals PLLC CurrentSince Sep 1, 2019 Accepting new patients
North Denver Anesthesia Associates, LLC Nurse Anesthetist, Certified Registered CurrentSince Feb 28, 2025 Accepting new patients
US Anesthesia Partners of Colorado Inc. Nurse Anesthetist, Certified Registered CurrentSince Mar 1, 2021 Accepting new patients
North Denver Anesthesia Associates, LLC Nurse Anesthetist, Certified Registered PastSince May 11, 2025 Accepting new patients
Northglenn Endoscopy Center LLC Past Accepting new patients

Locations

1755 48th St
Ste 100
Boulder, CO 80301
Phone (720) 932-7714

3702 Automation Way
Ste 103
Fort Collins, CO 80525
Phone (970) 495-6201

8000 E Maplewood Ave
Ste 120
Greenwood Village, CO 80111

1001 Southpark Dr
Littleton, CO 80120
Phone (303) 531-5724

10101 Ridgegate Pkwy
Lone Tree, CO 80124
Phone (720) 225-1000

1390 Dry Creek Dr
Ste B
Longmont, CO 80503
Phone (303) 805-7477

1750 E Ken Pratt Blvd
Longmont, CO 80504
Phone (720) 718-7000

2500 Rocky Mountain Ave
Loveland, CO 80538
Phone (970) 297-6425

11900 Grant St
Ste 320
Northglenn, CO 80233

9395 Crown Crest Blvd
Parker, CO 80138
Phone (303) 269-4000

10001 Washington St
Thornton, CO 80229
Phone (303) 252-0083

9191 Grant St
Thornton, CO 80229
Phone (303) 246-5003

Organizations & group practices 7

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": "1551225600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1568851200000",
    "number": "1871050799",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3702 AUTOMATION WAY STE 103",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805255738",
            "telephone_number": "970-224-2985"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3702 AUTOMATION WAY STE 103",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805255738",
            "telephone_number": "970-224-2985"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4303 Deeside Dr",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MI",
            "postal_code": "481168062",
            "country_code": "US",
            "telephone_number": "507-250-2550",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SMITH",
        "first_name": "ALISSA",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-02-27",
        "last_updated": "2019-09-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CO",
            "license": "APN.0994687-CRNA",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MI",
            "license": "4704324132",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CO",
            "license": "1660470",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALISSA",
            "last_name": "WEISPFENNING",
            "credential": "RN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Fort Collins, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 19, 2019; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.