Dr. Gary Mermel M.D.
About this NPIWhat this record shows.
NPI 1558338103 is registered to Dr. Gary Mermel M.D., a Anesthesiology practising at 1233 N 30th St in Billings, Montana. Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management. Dr. Gary Mermel M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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. Gary Mermel M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Gary Mermel M.D. directly at (406) 254-0707.
Frequently asked
Yes. NPI 1558338103 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anesthesiology is the medical specialty concerned with the perioperative care of patients before, during, and after surgery, including pain management.
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 (406) 254-0707.
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. Gary Mermel M.D. is a Type-1 individual NPI.