MICHAEL J HENNESSY MD
NPI 1124029616
Orthopaedic Surgery in Great Falls, MT
About Michael J Hennessy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL J HENNESSY MD (NPI 1124029616) is an individual orthopaedic surgery provider in Great Falls, Montana, licensed in Montana (7944) and active in the NPI registry since August 2005.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Hennessy's NPI number?
The NPI number for Michael Hennessy is 1124029616. It was assigned to this individual provider in the NPPES registry on August 9, 2005.
Where is Michael Hennessy located?
Michael Hennessy practices at 3000 16th Ave S, Great Falls, MT 59405. The listed phone number is (406) 454-2171.
What is Michael Hennessy's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
When was this NPI record last updated?
The NPPES record for Michael Hennessy was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.