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JANET K ARMSTRONG M.D.
NPI 1215949557
Internal Medicine in Glasgow, MT

Active since August 13, 2006
221 5TH AVE S, GLASGOW, MT 59230(406) 228-3400 Get Directions Write a Review

NPPES record last updated: March 26, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Janet K Armstrong M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JANET K ARMSTRONG M.D. (NPI 1215949557) is an individual internal medicine provider in Glasgow, Montana, licensed in Montana (6460) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1215949557
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJANET K ARMSTRONGCredential: M.D.
Location Address221 5TH AVE SGlasgow, MT 59230-2600
Mailing Address221 5th Ave SGlasgow, MT 59230-2600
Phone(406) 228-3400
Sole ProprietorNo
Enumeration DateAugust 13, 2006
Last NPPES UpdateMarch 26, 2008
✔ NPI 1215949557 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MT · 6460
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
221 5TH AVE S, Glasgow, MT 59230
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Other Identifiers 4

OtherP00195095Medicare Rr
Medicare UPIND07927
Other00097980Bcbs Mt
Medicaid0099756MT

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FRANCES MAHON DEACONESS HOSPITAL
Clinic/Center (Rural Health)
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3400
JAMES FREDERICK HARRIS MD
Orthopaedic Surgery
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3536
ANNE M WILLIAMS M.D.
Surgery
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3653
ANTHONY M COLACINO M.D.
Surgery
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3536
EMILY M STEVENSON PA-C
Physician Assistant
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3536
ELIZABETH RENEE PAGE PT, DPT
Physical Therapist
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3500
AMY HOPSTAD MD
Obstetrics & Gynecology
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3536
HAYLEE THOMPSON FNP
Nurse Practitioner (Family)
221 5TH AVE S
GLASGOW, MT 59230
Valley County (406) 228-3400

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 Janet Armstrong's NPI number?

The NPI number for Janet Armstrong is 1215949557. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Janet Armstrong located?

Janet Armstrong practices at 221 5th Ave S, Glasgow, MT 59230. The listed phone number is (406) 228-3400.

What is Janet Armstrong's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Janet Armstrong was last updated on March 26, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.