Dr. Louis Tremblay MD
About this NPIWhat this record shows.
NPI 1255005666 is registered to Dr. Louis Tremblay MD, a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician practising at 221 Michigan St Ne Ste 300 in Grand Rapids, Michigan. Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Louis Tremblay MD has been enumerated in the National Provider Identifier (NPI) registry since 2021.
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 Dr. Louis Tremblay MD accepts. To confirm in-network status with your specific health plan, contact Dr. Louis Tremblay MD directly at (616) 459-7258.
Frequently asked
Yes. NPI 1255005666 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Thoracic Surgery (Cardiothoracic Vascular Surgery) 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 (616) 459-7258.
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. Louis Tremblay MD is a Type-1 individual NPI.