John Tkach MD
About this NPIWhat this record shows.
NPI 1346309796 is registered to John Tkach MD, a healthcare organisation classified as "Internal Medicine" and located at 5 Lowell St, Suite 6 in Calais, Maine. The organisation's authorised official is John Tkach. The organisation has been enumerated in the NPI registry since 2006.
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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 John Tkach MD accepts. To confirm in-network status with your specific health plan, contact John Tkach MD directly at (207) 454-3500.
Frequently asked
Yes. NPI 1346309796 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 (207) 454-3500.
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. John Tkach MD is a Type-2 organisational NPI.