Active NPI
Katherine Witmeyer, OD, a Professional Optometric Corporation
Doing business as Impact Vision Care Optometry
- Optometrist
- Rancho Santa Fe, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- 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, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Katherine Witmeyer, OD
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & 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.
-
- Optometrist
- Rancho Santa Fe, CA
- NPI 1063499176
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
- Jason C Helfrich, D.C.
- Avi J Hettena, M.D.
- Jamaas Home Health Nursing Services, Inc.
- Jennifer Aldawoodi DMD, Professional Corp (Rancho Santa Fe Cosmetic and Family Dentistry)
- Kali West, LLC
- Kelli C. Karches, M.D., Inc
- Natalie Lam, D.M.D., M.M.SC.
- Michael Chu-Ming Lee, M.D.
- Levelsmd LLC
- Tammy Lin, MD
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.