Quick answers
- Which hospitals does Sonja M. Bjerk work at?
- Medicare's official clinician data lists Sonja M. Bjerk at 5 hospitals: Essentia Health Deer River, Essentia Health Duluth, Essentia Health St Mary's Medical Center, Essentia Health Virginia and Grand Itasca Clinic and Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sonja M. Bjerk see patients?
- Medicare's clinician data lists 1 practice location in Hermantown, MN. Call before your visit to confirm the address.
- What is Sonja M. Bjerk's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists).
- Does Sonja M. Bjerk accept Medicare assignment?
- Yes. Medicare's clinician data says Sonja M. Bjerk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Sonja M. Bjerk offer telehealth?
- Medicare's clinician data says Sonja M. Bjerk offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sonja M. Bjerk?
- (218) 786-3540, as listed in official Medicare / NPI Registry data.
- What is Sonja M. Bjerk's NPI number?
- 1316012297. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sonja M. Bjerk works
Medicare's Facility Affiliation Data lists Sonja M. Bjerk at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Essentia Health Deer RiverDeer River, MN · Critical Access Hospital · CCN 241360
- Essentia Health DuluthDuluth, MN · Acute Care Hospital · CCN 240019
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · CCN 240002
- Essentia Health VirginiaVirginia, MN · Acute Care Hospital · CCN 240084
- Grand Itasca Clinic and HospitalGrand Rapids, MN · Acute Care Hospital · CCN 240064
Practice locations
Addresses where Sonja M. Bjerk is enrolled with Medicare (CMS data updated 2026-10-02).
- 4855 W Arrowhead RdHermantown, MN 55811 (218) 786‑3540
Group practices
Medicare enrollment lists Sonja M. Bjerk as a member of this group (CMS data updated 2026-10-02).
- The Duluth Clinic Ltd1,144 clinicians in the group
Specialties
Other pulmonologists in Minnesota
Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316012297 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians