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

Stephen Sumner Nagy, MD

Individual provider Psychiatry Physician · NPI 1760584031

Stephen Sumner Nagy, MD is a Psychiatry Physician in Fort Harrison, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1892 Williams St
Fort Harrison, MT 59636
Phone: (406) 447-6000
Fax: (406) 447-6070
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 8700 (MT)

Record details

NPI number1760584031
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 5, 2006
Last updated in NPPESDecember 20, 2012