John Witczak DO
About this NPIWhat this record shows.
NPI 1811913825 is registered to John Witczak DO, a Orthopaedic Surgery practising at 26921 Crown Valley Pkwy, Ste 201 in Mission Viejo, California. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. John Witczak DO has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans John Witczak DO accepts. To confirm in-network status with your specific health plan, contact John Witczak DO directly at (949) 348-2250.
Frequently asked
Yes. NPI 1811913825 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (949) 348-2250.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. John Witczak DO is a Type-1 individual NPI.