Dr. Barry Izenstein M.D.
About this NPIWhat this record shows.
NPI 1346237583 is registered to Dr. Barry Izenstein M.D., a Endocrinology, Diabetes & Metabolism Physician practising at 2 Medical Center Dr, Suite 210 in Springfield, Massachusetts. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Barry Izenstein M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20050621000522EndocrinologyMA
Source: CMS PECOS public enrollment file.
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. Barry Izenstein M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Barry Izenstein M.D. directly at (413) 734-4667.
Frequently asked
Yes. NPI 1346237583 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism 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 (413) 734-4667.
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. Barry Izenstein M.D. is a Type-1 individual NPI.