Dr. John Seisman DDS
About this NPIWhat this record shows.
NPI 1497000459 is registered to Dr. John Seisman DDS, a General Practice Dentistry practising at 21534 Great Mills Rd in Lexington Park, Maryland. General Practice Dentistry is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. John Seisman DDS has been enumerated in the National Provider Identifier (NPI) registry since 2012.
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 Dr. John Seisman DDS accepts. To confirm in-network status with your specific health plan, contact Dr. John Seisman DDS directly at (301) 862-3900.
Frequently asked
Yes. NPI 1497000459 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
General Practice Dentistry 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 (301) 862-3900.
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. Dr. John Seisman DDS is a Type-1 individual NPI.