Organization Active NPI

Katherine Witmeyer, OD, a Professional Optometric Corporation

Doing business as Impact Vision Care Optometry

  • Optometrist
  • Rancho Santa Fe, CA
National Provider Identifier
1124992060
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
Legal business name
KATHERINE WITMEYER, OD, A PROFESSIONAL OPTOMETRIC CORPORATION
Doing business as
Impact Vision Care Optometry
Practice address
6037 La Granada, Suite F
PMB 2644
Rancho Santa Fe, CA 92067-2644
Phone
(858) 381-3123
Fax
(858) 381-3414
NPI assigned
Oct 2, 2025
Last updated
Mar 25, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2026

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

Authorized official

Name
Dr. Katherine Witmeyer, ODNPI 1063499176
Title
President/Optometrist
Phone
(858) 381-3123

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
Optometrist 152W00000X NU Primary

Addresses

Primary practice location

6037 La Granada, Suite F
PMB 2644
Rancho Santa Fe, CA 92067-2644

Mailing address

PO Box 2644
6037 La Granada, Ste F
Rancho Santa Fe, CA 92067-2644
Phone (858) 381-3123

Other names 1

  • Impact Vision Care Optometry Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20251121004014 CA Part B Supplier - Clinic/Group Practice 4981196482 Receives reassigned benefits from 1 practitioner
Practice locations: Rancho Santa Fe, CA

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1759363200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774396800000",
    "number": "1124992060",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2644",
            "address_2": "6037 LA GRANADA, STE F",
            "city": "RANCHO SANTA FE",
            "state": "CA",
            "postal_code": "920672644",
            "telephone_number": "858-381-3123",
            "fax_number": "858-381-3414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6037 LA GRANADA, SUITE F",
            "address_2": "PMB 2644",
            "city": "RANCHO SANTA FE",
            "state": "CA",
            "postal_code": "920672644",
            "telephone_number": "858-381-3123",
            "fax_number": "858-381-3414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KATHERINE WITMEYER, OD, A PROFESSIONAL OPTOMETRIC CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-02",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A",
        "authorized_official_last_name": "WITMEYER",
        "authorized_official_first_name": "KATHERINE",
        "authorized_official_title_or_position": "PRESIDENT/OPTOMETRIST",
        "authorized_official_telephone_number": "858-381-3123",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "OD"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Impact Vision Care Optometry",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Rancho Santa Fe, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 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.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.