DR. SONJA M BJERK (MD) – Pulmonary Disease Physician, NPI 1316012297
Pulmonary Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
367 PULMONARY DISEASE in MN
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Provider Addresses for DR. SONJA M BJERK (MD)
400, East 3rd Street, Duluth, Saint Louis County, Minnesota, 55805, United States
ESSENTIA HEALTH DULUTH CLINIC
DULUTH, MN 558051951
Phone: (218) 786-3993
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-04-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110405000104 | I | Pulmonary Disease | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99292 | Critical care, each additional 30 minutes | 82 | 31 | $0 |
| 99291 | Critical care, first 30-74 minutes | 80 | 36 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 60 | 41 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 42 | 24 | $0 |
| 94729 | Test to examine how well the lungs exchange gases | 40 | 40 | $0 |
Insurance plans in this area (ZIP 55805)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | MN | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 54 | 54 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | MT | |
| - | ND | |
| Physician Assistant | MN | |
| Nurse Practitioner | SD | |
| - | MN | |
| Qualified Audiologist | MN | |
| - | MN | |
| - | MN | |
| P A T H O L O G Y | WV | |
| Family Practice | MN |
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