Jonathon Leiner
About this NPIWhat this record shows.
NPI 1275421190 is registered to Jonathon Leiner, a Clinical Social Worker practising at 232 Putnam Ave in Cambridge, Massachusetts. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Jonathon Leiner has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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 Jonathon Leiner accepts. To confirm in-network status with your specific health plan, contact Jonathon Leiner directly at (240) 994-4813.
Frequently asked
Yes. NPI 1275421190 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Social Worker 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 (240) 994-4813.
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. Jonathon Leiner is a Type-1 individual NPI.