Sonja Lien, MD
NPI 1346215852 · Family Medicine Physician · Fargo, ND
Sonja Lien, MD is a Family Medicine Physician provider in Fargo, ND (NPI 1346215852).
Provider details
- NPI number
- 1346215852
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 13332 (ND)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-18
- Last updated
- 2017-02-15
Frequently asked questions
- What is Sonja Lien's NPI number?
- Sonja Lien's National Provider Identifier (NPI) is 1346215852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Lien's specialty?
- Sonja Lien is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sonja Lien located?
- Sonja Lien's practice location on file with NPPES is 2400 32nd Ave S, Fargo, ND 58103-5800.
- What is Sonja Lien's phone number?
- The practice phone number listed in the NPPES registry for Sonja Lien is (701) 234-8830.
- Is Sonja Lien's NPI active?
- Yes — Sonja Lien's NPI (1346215852) is active in the NPPES registry as of the last update on 2017-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.