Ronald Tietjen MD
About this NPIWhat this record shows.
NPI 1548285711 is registered to Ronald Tietjen MD, a Orthopaedic Surgery practising at 226 White St in Danbury, Connecticut. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Ronald Tietjen MD 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 Ronald Tietjen MD accepts. To confirm in-network status with your specific health plan, contact Ronald Tietjen MD directly at (203) 797-1500.
Frequently asked
Yes. NPI 1548285711 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 (203) 797-1500.
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. Ronald Tietjen MD is a Type-1 individual NPI.