Organization Active NPI

Layne R. Christensen Optometric Corporation

  • Optometrist
  • Grass Valley, CA
National Provider Identifier
1841341195
Registry record updated Jun 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
Legal business name
LAYNE R. CHRISTENSEN OPTOMETRIC CORPORATION
Practice address
2116 Nevada City Hwy
Grass Valley, CA 95945-7702
Phone
(530) 273-4451
Fax
(530) 272-5408
NPI assigned
Jan 15, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 16, 2025

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

Authorized official

Name
Layne R. ChristensenNPI 1730125477
Title
Optometrist
Phone
(530) 273-4451

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
OptometristGroup: 193400000X SINGLE SPECIALTY GROUP 152W00000X Primary

Addresses

Primary practice location

2116 Nevada City Hwy
Grass Valley, CA 95945-7702

Mailing address

2116 Nevada City Hwy
Grass Valley, CA 95945-7702
Phone (530) 273-4451

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20090223000179 CA Part B Supplier - Clinic/Group Practice 8022117803 Receives reassigned benefits from 2 practitioners
Practice locations: Grass Valley, CA

National Provider Directory

National Provider Directory

Locations

10508 Combie Rd
Auburn, CA 95602
Phone (530) 268-2020

2116 Nevada City Hwy
Grass Valley, CA 95945
Phone (530) 273-4451

290 Sierra College Dr
Ste C
Grass Valley, CA 95945
Phone (530) 273-4451

Practitioners & affiliated clinicians

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1168819200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1750032000000",
    "number": "1841341195",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2116 NEVADA CITY HWY",
            "city": "GRASS VALLEY",
            "state": "CA",
            "postal_code": "959457702",
            "telephone_number": "530-273-4451",
            "fax_number": "530-268-2054"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2116 NEVADA CITY HWY",
            "city": "GRASS VALLEY",
            "state": "CA",
            "postal_code": "959457702",
            "telephone_number": "530-273-4451",
            "fax_number": "530-272-5408"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LAYNE R. CHRISTENSEN OPTOMETRIC CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-01-15",
        "last_updated": "2025-06-16",
        "certification_date": "2025-06-16",
        "status": "A",
        "authorized_official_last_name": "CHRISTENSEN",
        "authorized_official_first_name": "LAYNE",
        "authorized_official_middle_name": "R.",
        "authorized_official_title_or_position": "OPTOMETRIST",
        "authorized_official_telephone_number": "530-273-4451"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Optometrist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grass Valley, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.