Stephen O Chastain MD PC
About this NPIWhat this record shows.
NPI 1053502153 is registered to Stephen O Chastain MD PC, a healthcare organisation classified as "Adult Medicine Physician" and located at 33 Lawrence St in Methuen, Massachusetts. The organisation's authorised official is Stephen Chastain. The organisation has been enumerated in the 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 Stephen O Chastain MD PC accepts. To confirm in-network status with your specific health plan, contact Stephen O Chastain MD PC directly at (978) 683-3023.
Frequently asked
Yes. NPI 1053502153 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Adult Medicine 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 (978) 683-3023.
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. Stephen O Chastain MD PC is a Type-2 organisational NPI.