Ian D Kleinhen MD PLLC
About this NPIWhat this record shows.
NPI 1669939369 is registered to Ian D Kleinhen MD PLLC, a healthcare organisation classified as "Internal Medicine" and located at 74 Mack St Ste 1 in Windsor, Connecticut. The organisation's authorised official is Ian Kleinhen. The organisation has been enumerated in the NPI registry since 2019.
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.
Part B Supplier
- O20190423002812Clinic/Group PracticeCT
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 Ian D Kleinhen MD PLLC accepts. To confirm in-network status with your specific health plan, contact Ian D Kleinhen MD PLLC directly at (860) 580-7071.
Frequently asked
Yes. NPI 1669939369 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (860) 580-7071.
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. Ian D Kleinhen MD PLLC is a Type-2 organisational NPI.