NPIMap

Individual provider Active NPI

Mark Kardos Tuttle, M.D.

  • Interventional Cardiology Physician
  • Longmont, CO
National Provider Identifier
1194086900
Registry record updated May 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
CDRH.0066228 Issued in CO
Practice address
1760 E Ken Pratt Blvd Ste 205
Longmont, CO 80504-5311
Phone
(720) 718-8180
NPI assigned
Jun 7, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 19, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X CDRH.0066228 CO
Interventional Cardiology Physician 207RI0011X CDRH.0066228 CO Primary

Addresses

Primary practice location

1760 E Ken Pratt Blvd Ste 205
Longmont, CO 80504-5311

Mailing address

1801 16TH St
Greeley, CO 80631-5154
Phone (970) 810-0900

Other practice location 1

2500 Rocky Mountain Ave
Loveland, CO 80538-9004
Phone (970) 624-1833

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
I20210802000827 CO Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology) 8123317351 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
University of Toledo College of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Poudre Valley Medical Group LLCGroup PAC ID 9638208549, 2,425 clinicians

Practice addresses (Care Compare)

1760 E Ken Pratt Blvd
Suite 205 LPMC
Longmont, CO 80504-5311
Phone (720) 718-5280

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting13

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
CDRH.0066228COMDInterventional Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Poudre Valley Medical Group, LLC CurrentSince Sep 11, 2023 Accepting new patients
Poudre Valley Medical Group, LLC CurrentSince Sep 11, 2023 Accepting new patients

Locations

4404 Barranca Ln
Castle Rock, CO 80104
Phone (720) 733-5260

8890 N Union Blvd
Colorado Springs, CO 80920
Phone (719) 364-5633

2970 Arapahoe Rd
Lafayette, CO 80026
Phone (303) 460-6010

1760 E Ken Pratt Blvd
Ste 405
Longmont, CO 80504
Phone (720) 718-5400

1760 E Ken Pratt Blvd
Ste 205
Longmont, CO 80504
Phone (720) 718-3930

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

2500 Rocky Mountain Ave
Ste 100
Loveland, CO 80538
Phone (970) 624-1800

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 21

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

View all 21

NPI Registry JSON

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

{
    "created_epoch": "1339027200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1194086900",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1801 16TH ST",
            "city": "GREELEY",
            "state": "CO",
            "postal_code": "806315154",
            "telephone_number": "970-810-0900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1760 E KEN PRATT BLVD STE 205",
            "city": "LONGMONT",
            "state": "CO",
            "postal_code": "805045311",
            "telephone_number": "720-718-8180"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2500 Rocky Mountain Ave",
            "address_purpose": "LOCATION",
            "city": "Loveland",
            "state": "CO",
            "postal_code": "805389004",
            "country_code": "US",
            "telephone_number": "970-624-1833",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TUTTLE",
        "first_name": "MARK",
        "middle_name": "KARDOS",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-07",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CO",
            "license": "CDRH.0066228",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "CO",
            "license": "CDRH.0066228",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Longmont, CO

Sources for this page

Verify at the official NPI Registry.