Quick answers
- Where does Katherine J. Witmeyer see patients?
- Medicare's clinician data lists 3 practice locations, including Rancho Santa Fe, CA. Call before your visit to confirm the address.
- What is Katherine J. Witmeyer's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Katherine J. Witmeyer accept Medicare assignment?
- Medicare's clinician data says Katherine J. Witmeyer may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Katherine J. Witmeyer?
- (858) 756-3210, as listed in official Medicare / NPI Registry data.
- What is Katherine J. Witmeyer's NPI number?
- 1063499176. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Katherine J. Witmeyer is enrolled with Medicare (CMS data updated 2026-10-02).
- 6037 La Granada, Suite ARancho Santa Fe, CA 92067 (858) 756‑3210
- 6037 La Granada, Suite FRancho Santa Fe, CA 92067 (858) 381‑3123
- PO Box, Suite 2644Rancho Santa Fe, CA 92067
Group practices
Medicare enrollment lists Katherine J. Witmeyer as a member of this group (CMS data updated 2026-10-02).
- Rancho Santa Fe Optometry Apc2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | University Of California - School Of Optometry |
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1063499176 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians