Individual provider Active NPI

Natalia Rychtarczyk, OD

  • Optometrist
  • Lancaster, CA
National Provider Identifier
1881574408
Registry record updated Aug 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
OptometristTaxonomy code 152W00000X
License
36121 Issued in CA
Practice address
44414 Valley Central Way
Lancaster, CA 93536-6528
Phone
(661) 723-5381
NPI assigned
Sep 4, 2025
Last updated
Aug 12, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 36121 CA Primary

Addresses

Primary practice location

44414 Valley Central Way
Lancaster, CA 93536-6528

Mailing address

44414 Valley Central Way
Lancaster, CA 93536-6528

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
31621CAMDOptometrist

NPI Registry JSON

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

{
    "created_epoch": "1756944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786492800000",
    "number": "1881574408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44414 VALLEY CENTRAL WAY",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935366528"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44414 VALLEY CENTRAL WAY",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935366528",
            "telephone_number": "661-723-5381"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYCHTARCZYK",
        "first_name": "NATALIA",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-09-04",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "36121",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lancaster, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.