NPPES file of Aug 9, 2026

Karen Lien, M.D.

Family Medicine Physician · Havre, MT

Karen Lien, M.D. is a family medicine physician with a practice address in Havre, Montana, and NPI 1962474460, issued on Feb 7, 2006. Check the license (Montana 8684, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962474460
Name
Karen Lien
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
8684 MT
Self-reported in NPPES; status is on the state search
Practice location
1410 1St Ave, Havre, MT 59501
Phone
(406) 265-5408
Enumerated
Feb 7, 2006
Record last updated
Oct 9, 2025
Medicaid ID
1962474460 MT
Medicare enrollment
Enrolled (PECOS I20040205000839); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1410 1St Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anita Bekker, APRNFamily Nurse Practitioner1720249444
  2. Tyson Cochran, MDFamily Medicine Physician1699395830
  3. Douglas Dightman, M.D.Family Medicine Physician1538355938
  4. Abrianna Johnson, APRNFamily Nurse Practitioner1902324635
  5. Toby Marshall, MDObstetrics & Gynecology Physician1861400863
  6. Cameron Scranton, MDFamily Medicine Physician1851828990

Verify Karen Lien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 8684
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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34% fewer Medicare Part D claims than the average family medicine physician in 2024

2,356 Medicare Part D claims for 179 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 176 claims were for opioids.

  1. Karen Lien2,356
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium151 claims
  2. Pantoprazole Sodium86 claims
  3. Atorvastatin Calcium64 claims
  4. Lisinopril63 claims
  5. Simvastatin60 claims
  6. Hydrocodone-Acetaminophen58 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $58.73

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Lien$58.73
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Northern Montana HospitalHavre, MT · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Karen Lien among 775 family medicine physician records in Montana

Karen Lien, M.D. is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 50% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1991 · median 2007 among the 464 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 family medicine physician records list a practice address in Havre

They are 12 of the 196 NPPES records with a practice address in Havre, and 775 family medicine physician records in Montana.

The 8 family medicine physician records with the nearest ZIP codes

  1. Thomas Booth, D.O.Havre, MT 595011437121993
  2. Tyson Cochran, MDHavre, MT 595011699395830
  3. Douglas Dightman, M.D.Havre, MT 595011538355938
  4. James Kelley, MDHavre, MT 595011669578233
  5. Phil McLain, M.D.Havre, MT 595011346334430
  6. Bruce Richardson, M.D.Havre, MT 595011427020940
  7. Erik Sandstrom, M.D.Havre, MT 595011962473173
  8. Donald Sawdey, DOHavre, MT 595011285654897

Common questions

What is Karen Lien, M.D.'s NPI number?

Karen Lien, M.D.'s National Provider Identifier (NPI) is 1962474460, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Lien, M.D. located?

The NPPES record lists a practice address at 1410 1St Ave, Havre, MT, 59501. Phone: (406) 265-5408. Providers update this record themselves, so call before visiting.

How can I verify Karen Lien, M.D.'s license?

NPPES lists Montana license number 8684, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karen Lien, M.D. prescribe under Medicare Part D?

In 2024, Karen Lien, M.D. had 2,356 Medicare Part D claims for 179 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.