NPIMap

Individual provider Active NPI

Christopher Anzalone Zirker, MD, MSC

  • Internal Medicine Physician
  • Loveland, CO
National Provider Identifier
1629565890
Registry record updated Jun 24, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
DR.0066504 Issued in CO
Practice address
2500 Rocky Mountain Ave
Loveland, CO 80538-9004
Phone
(970) 624-2500
NPI assigned
Apr 13, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 24, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X DR.0066504 CO Primary

Addresses

Primary practice location

2500 Rocky Mountain Ave
Loveland, CO 80538-9004

Mailing address

2637 Midpoint Dr Ste B
Fort Collins, CO 80525-4408
Phone (970) 231-4008

Other practice location 1

13001 E 17th Pl
Aurora, CO 80045-2570
Phone (303) 724-1792

Other practice location 2

1024 S LeMay Ave
Fort Collins, CO 80524-3929
Phone (970) 495-7000

Other practice location 3

6767 29th St
Greeley, CO 80634-5474
Phone (970) 652-2000

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
I20210722003678 CO Practitioner - Internal Medicine 2365798360 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Yale University School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northern Colorado Hospitalists Professional LLCGroup PAC ID 8325147507, 85 clinicians

Practice addresses (Care Compare)

1024 S Lemay Ave
Poudre Valley Hospital
Fort Collins, CO 80524-3929
Phone (970) 495-7142

2500 Rocky Mountain Ave
Loveland, CO 80538-9004
Phone (970) 624-2500

6767 29TH St
Greeley, CO 80634-5474
Phone (970) 495-7153

Hospital & facility affiliations

  • Uchealth Greeley Hospital Hospital, Greeley, CO, CCN 060131
  • Medical Center of the Rockies Hospital, Loveland, CO, CCN 060119
  • Poudre Valley Hospital Hospital, Fort Collins, CO, CCN 060010
  • Ivinson Memorial Hospital Hospital, Laramie, WY, CCN 530025

Merit-based Incentive Payment System (MIPS)

Final score
94.23 of 100Reported as group
Quality
87
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Pathways Hospice CurrentSince Aug 26, 2023 Accepting new patients
Pathways Hospice Internal Medicine Current Accepting new patients
Northern Colorado Hospitalists Professional LLC CurrentSince Jul 1, 2021 Accepting new patients
Pathways Hospice Internal Medicine CurrentSince Aug 26, 2023 Accepting new patients

Locations

8289 E Lowry Blvd
Denver, CO 80230
Phone (303) 321-2828

1024 S Lemay Ave
Fort Collins, CO 80524
Phone (970) 495-7000

305 Carpenter Rd
Fort Collins, CO 80525
Phone (970) 663-3500

2637 Midpoint Dr
Ste B
Fort Collins, CO 80525
Phone (970) 488-1640

317 Carpenter Rd
Fort Collins, CO 80525
Phone (970) 663-3500

6767 29th St
Greeley, CO 80634
Phone (970) 652-2000

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

Organizations & group practices 4

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": "1523577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1624492800000",
    "number": "1629565890",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2637 MIDPOINT DR STE B",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805254408",
            "telephone_number": "970-231-4008"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 ROCKY MOUNTAIN AVE",
            "city": "LOVELAND",
            "state": "CO",
            "postal_code": "805389004",
            "telephone_number": "970-624-2500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13001 E 17th Pl",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800452570",
            "country_code": "US",
            "telephone_number": "303-724-1792",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1024 S LeMay Ave",
            "address_purpose": "LOCATION",
            "city": "Fort Collins",
            "state": "CO",
            "postal_code": "805243929",
            "country_code": "US",
            "telephone_number": "970-495-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6767 29th St",
            "address_purpose": "LOCATION",
            "city": "Greeley",
            "state": "CO",
            "postal_code": "806345474",
            "country_code": "US",
            "telephone_number": "970-652-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZIRKER",
        "first_name": "CHRISTOPHER",
        "middle_name": "ANZALONE",
        "name_prefix": "Dr.",
        "credential": "MD, MSC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-13",
        "last_updated": "2021-06-24",
        "certification_date": "2021-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR.0066504",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Loveland, CO

Sources for this page

Verify at the official NPI Registry.