Dr. John Ryan M.D.
About this NPIWhat this record shows.
NPI 1821046095 is registered to Dr. John Ryan M.D., a Infectious Disease practising at 450 E 29th St, Kadmon Corporation, LLC in New York, New York. Infectious Disease is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. John Ryan M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 Ryan M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. John Ryan M.D. directly at (212) 308-6000.
Frequently asked
Yes. NPI 1821046095 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Infectious Disease 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 (212) 308-6000.
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 Ryan M.D. is a Type-1 individual NPI.