Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Michael Leroy Inniss, MD

Individual provider Hospitalist Physician · NPI 1891090734

Michael Leroy Inniss, MD is a Hospitalist in Great Falls, Montana. Qualified in 2000, 26 years ago. Practices with Benefis Hospitals Inc, a 398-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Montana and Virginia.

Years since qualifying
26
Licensed in
MT, VA
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1101 26th St S
Great Falls, MT 59405-5161
Phone: (406) 731-8888
Fax: (406) 731-8318
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 800 Spruce St, Philadelphia, PA 19107-6130 — (215) 829-5933

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 111739 (MT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101255285 (VA)

Record details

NPI number1891090734
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 25, 2011
Last updated in NPPESApril 8, 2024
Certification dateApril 8, 2024
Mailing address1101 26th St S, Great Falls, MT 59405-5161

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Benefis Hospitals Inc — 398 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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