KATHERINE WITMEYER, OD, A PROFESSIONAL OPTOMETRIC CORPORATION
NPI 1124992060
Optometrist in Rancho Santa Fe, CA

Q: What is Katherine Witmeyer, Od, A Professional Optometric Corporation's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Active since October 02, 2025

6037 LA GRANADA, SUITE F, PMB 2644, RANCHO SANTA FE, CA 92067(858) 381-3123(858) 381-3414 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Katherine Witmeyer, Od, A Professional Optometric Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE WITMEYER, OD, A PROFESSIONAL OPTOMETRIC CORPORATION (NPI 1124992060), doing business as Impact Vision Care Optometry, is a healthcare organization registered as an optometrist in Rancho Santa Fe, California and active in the NPI registry since October 2025. The organization lists Katherine Witmeyer, President/optometrist, as its authorized official.

NPPES Registry Identity

NPI1124992060

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameKATHERINE WITMEYER, OD, A PROFESSIONAL OPTOMETRIC CORPORATION

Location Address6037 LA GRANADA, SUITE F, PMB 2644Rancho Santa Fe, CA 92067-2644

Mailing AddressPo Box 2644, 6037 La Granada, Ste FRancho Santa Fe, CA 92067-2644 · (858) 381-3123 · Fax (858) 381-3414

Phone(858) 381-3123

Fax(858) 381-3414

Organization SubpartNo

Authorized OfficialKatherine WitmeyerPresident/optometrist · (858) 381-3123

Enumeration DateOctober 2, 2025

Last NPPES UpdateMarch 25, 2026

NPPES CertifiedMarch 25, 2026

✔ NPI 1124992060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

6037 LA GRANADA, SUITE F, Rancho Santa Fe, CA 92067

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Other Names 1

Doing Business AsImpact Vision Care Optometry

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Witmeyer, Od, A Professional Optometric Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Katherine Witmeyer, Od, A Professional Optometric Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Katherine Witmeyer, O.D.

Optometry

NPI 1063499176

6037 LA GRANADA, STE F PMB 2644
Rancho Santa Fe, CA 92067

(858) 381-3123

✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Witmeyer, Od, A Professional Optometric Corporation's NPI number?

The NPI number for Katherine Witmeyer, Od, A Professional Optometric Corporation is 1124992060. It was assigned to this organization in the NPPES registry on October 2, 2025. The provider is doing business as Impact Vision Care Optometry.

Where is Katherine Witmeyer, Od, A Professional Optometric Corporation located?

Katherine Witmeyer, Od, A Professional Optometric Corporation is located at 6037 La Granada, Suite F Pmb 2644, Rancho Santa Fe, CA 92067. The listed phone number is (858) 381-3123.

What is Katherine Witmeyer, Od, A Professional Optometric Corporation's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Katherine Witmeyer, Od, A Professional Optometric Corporation enrolled in Medicare?

Yes. Katherine Witmeyer, Od, A Professional Optometric Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Katherine Witmeyer, Od, A Professional Optometric Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Katherine Witmeyer, Od, A Professional Optometric Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Witmeyer, Od, A Professional Optometric Corporation was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.