Karen Lien, M.D.
NPI 1962474460 · Family Medicine Physician · Havre, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Lien, M.D. is a Family Medicine Physician provider in Havre, MT (NPI 1962474460).
Provider details
- NPI number
- 1962474460
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 8684 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
361 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 100 | $115 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 77 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 61 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 60 | $168 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 24 | $126 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 151 | 33 |
| Pantoprazole Sodium | 86 | 20 |
| Atorvastatin Calcium | 64 | 16 |
| Lisinopril | 63 | 16 |
| Simvastatin | 60 | 12 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 58 | 15 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$59 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-07
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Karen Lien's NPI number?
- Karen Lien's National Provider Identifier (NPI) is 1962474460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Lien's specialty?
- Karen Lien is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Lien located?
- Karen Lien's practice location on file with NPPES is 1410 1st Ave, Havre, MT 59501-6207.
- What is Karen Lien's phone number?
- The practice phone number listed in the NPPES registry for Karen Lien is (406) 265-5408.
- Does Karen Lien accept Medicare?
- Karen Lien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Lien's NPI active?
- Yes — Karen Lien's NPI (1962474460) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.