Individual provider Active NPI

Mark G Kruchen, O.D.

  • Optometrist
  • Littleton, CO
National Provider Identifier
1336106863
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
1169 Issued in CO
Practice address
7761 Shaffer Pkwy Ste 200
Littleton, CO 80127-3731
Phone
(303) 979-4505
Fax
(303) 933-0714
NPI assigned
Apr 27, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 1169 CO Primary

Addresses

Primary practice location

7761 Shaffer Pkwy Ste 200
Littleton, CO 80127-3731

Mailing address

7761 Shaffer Pkwy Ste 200
Littleton, CO 80127-3731
Phone (303) 979-4505

Other practice location 1

7871 Shaffer Pkwy Ste A
Littleton, CO 80127-3732
Phone (303) 979-4505

Other identifiers 1

IdentifierTypeStateIssuer
67403395MedicaidCO

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080108000024 CO Practitioner - Optometry 8325128085 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Optometry
Education
Indiana University - School of Optometry, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Loomis, Yount, Peterson and Associates, PLLCGroup PAC ID 9739082124, 7 clinicians

Practice addresses (Care Compare)

7761 Shaffer Pkwy
Suite 200
Littleton, CO 80127-3731
Phone (303) 979-4505

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
1169COMDChiropractor

Practice roles

OrganizationSpecialtyStatusNew patients
Loomis, Yount, Peterson & Associates, PLLC Optometrist CurrentSince Jun 1, 2000 Accepting new patients

Locations

7761 Shaffer Pkwy
Ste 200
Littleton, CO 80127
Phone (303) 979-4505

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1146096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1336106863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7761 SHAFFER PKWY STE 200",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801273731",
            "telephone_number": "303-979-4505",
            "fax_number": "303-933-0714"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7761 SHAFFER PKWY STE 200",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801273731",
            "telephone_number": "303-979-4505",
            "fax_number": "303-933-0714"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7871 Shaffer Pkwy Ste A",
            "address_purpose": "LOCATION",
            "city": "Littleton",
            "state": "CO",
            "postal_code": "801273732",
            "country_code": "US",
            "telephone_number": "303-979-4505",
            "fax_number": "303-933-0714",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KRUCHEN",
        "first_name": "MARK",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-27",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CO",
            "license": "1169",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "67403395",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Littleton, CO

Sources for this page

Verify at the official NPI Registry.