Katherine Jennifer Witmeyer, O.D.

Primary specialty

OptometristTaxonomy code 152W00000X

License

OPT12416 Issued in CA

Practice address

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

Phone

(858) 381-3123

Fax

(858) 381-3414

NPI assigned

Dec 29, 2005

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Optometry

Education

University of California - School of Optometry, 2003

Medicare assignment

May accept Medicare assignment

Group practices

Rancho Santa Fe Optometry ApcGroup PAC ID 9537167655, 2 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Katherine Witmeyer, OD, a Professional Optometric Corporation

  • Optometrist
  • Rancho Santa Fe, CA
  • NPI 1124992060
  Medicare reassignment NPD Authorized official
• Rancho Santa Fe Optometry Apc

  • Optometrist
  • Rancho Santa Fe, CA
  • NPI 1922017896
  Medicare reassignment Care Compare group NPD
• Fourth Optometric Care of California

  • Optometrist
  • Mountain View, CA
  • NPI 1497499974
  Medicare reassignment NPD
• Fourth Optometric Care of California

  • Optometrist
  • Mountain View, CA
  • NPI 1689248874
  NPD
• Fourth Optometric Care of California

  • Optometrist
  • Carlsbad, CA
  • NPI 1952019614
  NPD

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

{
    "created_epoch": "1135814400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1063499176",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2644",
            "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, STE 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": [
        {
            "address_1": "6037 La Granada",
            "address_2": "Suite A",
            "address_purpose": "LOCATION",
            "city": "Rancho Santa Fe",
            "state": "CA",
            "postal_code": "92067",
            "country_code": "US",
            "telephone_number": "858-756-3210",
            "fax_number": "858-756-3910",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WITMEYER",
        "first_name": "KATHERINE",
        "middle_name": "JENNIFER",
        "name_prefix": "Dr.",
        "credential": "O.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-12-29",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "OPT12416",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lisa Michelle Weiss, O.D.
• Herbert Nathaniel Weissman, PH.D.
• Christine Anna White, M.D.
• Kenneth Widder, M.D.
• Jennifer Winter, DNP, AGNP
• David K. Woodruff, AU.D
• Wyn Enterprises
• Aliza Zisman, LIC. AC.

• Optometrist in Rancho Santa Fe, CA
• Providers in Rancho Santa Fe, CA by specialty
• Optometrist in California

• 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; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.