Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Berilonson Stephen Osiro, MD

Individual provider Internal Medicine Physician · NPI 1356748859

Dr. Berilonson Stephen Osiro, MD is an Internal Medicine in Great Falls, Montana. Qualified in 2011, 15 years ago. Practices with Iu Health Medical Group, LLC, a 4,351-clinician group and accepts Medicare assignment. Licensed in Indiana and Montana.

Years since qualifying
15
Licensed in
IN, MT
In the registry since
2014
Specialties on file
3
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

1401 25th St S
Great Falls, MT 59405-5183
Phone: (406) 731-8888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01090731A (IN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 52398 (MT)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 01090731A (IN)

Record details

NPI number1356748859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 26, 2014
Last updated in NPPESAugust 23, 2023
Certification dateAugust 23, 2023
Mailing address250 N Shadeland Ave, Indianapolis, IN 46219-4959

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Iu Health Medical Group, Llc — 4351 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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