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

Individual provider Family Medicine Physician · NPI 1962474460

Dr. Karen Lien, MD is a Family Practice in Havre, Montana. Graduated from Oregon Health Sciences University School of Medicine in 1991, 35 years ago. Practices with Northern Montana Hospital, a 43-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
35
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
MT
In the registry since
2006
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

1410 1st Ave
Havre, MT 59501-6207
Phone: (406) 265-5408
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 8684 (MT)

Record details

NPI number1962474460
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESOctober 9, 2025
Certification dateOctober 9, 2025
Mailing addressPo Box 1231, Havre, MT 59501-1231

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Northern Montana Hospital — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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