Michael Hennessy MD
About this NPIWhat this record shows.
NPI 1124029616 is registered to Michael Hennessy MD, a Orthopaedic Surgery practising at 3000 16th Ave S in Great Falls, Montana. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Michael Hennessy MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 0015587MT
Source: NPPES public registry.
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 Michael Hennessy MD accepts. To confirm in-network status with your specific health plan, contact Michael Hennessy MD directly at (406) 454-2171.
Frequently asked
Yes. NPI 1124029616 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
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) 454-2171.
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. Michael Hennessy MD is a Type-1 individual NPI.