Active NPI
Mark G Kruchen, O.D.
- Optometrist
- Littleton, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 1169
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 67403395 | Medicaid | CO |
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
Enrollment records 1
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 1169 | CO | MD | Chiropractor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Loomis, Yount, Peterson & Associates, PLLC | Optometrist | Current | 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.
-
dba Mountain Vista EyeCare and Dry Eye Center
- Optometrist
- Littleton, CO
- NPI 1619960580
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.