John Seidenfeld M.D.
About this NPIWhat this record shows.
NPI 1336321686 is registered to John Seidenfeld M.D., a Pulmonary Disease Physician practising at Suite 703 414 Navarro in San Antonio, Texas. Pulmonary Disease Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Seidenfeld M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
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 Seidenfeld M.D. accepts. To confirm in-network status with your specific health plan, contact John Seidenfeld M.D. directly at (210) 224-4811.
Frequently asked
Yes. NPI 1336321686 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pulmonary Disease Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (210) 224-4811.
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 Seidenfeld M.D. is a Type-1 individual NPI.