DR. SONJA M BJERK MD
NPI 1316012297
Internal Medicine - Pulmonary Disease in Duluth, MN

Active since November 23, 2006PECOS EnrolledAccepts Medicare Assignment
400 E 3RD ST, ESSENTIA HEALTH DULUTH CLINIC, DULUTH, MN 55805(218) 786-3993 Get Directions Write a Review

NPPES record last updated: December 3, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Sonja M Bjerk Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SONJA M BJERK MD (NPI 1316012297) is an individual pulmonary disease provider in Duluth, Minnesota, licensed in Minnesota (51666) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1316012297
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. SONJA M BJERKCredential: MD
Location Address400 E 3RD ST, ESSENTIA HEALTH DULUTH CLINICDuluth, MN 55805-1951
Mailing Address400 E 3rd St, Essentia Health Duluth ClinicDuluth, MN 55805-1951 · (218) 786-3993
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateNovember 23, 2006
Last NPPES UpdateDecember 3, 2018
NPI 1316012297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Licenses Licensed in MN · 51666 Licensed in WI · 50108-20
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 51666 (MN), 50108 (WI)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 51666 (MN), 50108-20 (WI)
400 E 3RD ST, Duluth, MN 55805

Other Identifiers 2

Medicaid34993200WI
Medicaid1316012297MN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Sonja M Bjerk Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739255613
PECOS Enrollment IDI20110405000104
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
76 services32 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
52 services36 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
45 services44 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
45 services23 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
40 services39 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
38 services37 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Essentia Health St Mary's Medical Center

Acute Care Hospitals · Duluth, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240002
Location402 East Second StreetDuluth, MN 55805 · St. Louis County
Emergency services Birthing friendly

Essentia Health Duluth

Acute Care Hospitals · Duluth, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240019
Location502 East Second StreetDuluth, MN 55805 · St. Louis County
Birthing friendly

Essentia Health Virginia

Acute Care Hospitals · Virginia, MN
OwnershipGovernment - Local
CMS Certification Number240084
Location901 9th Street NorthVirginia, MN 55792 · St. Louis County
Birthing friendly

Essentia Health Deer River

Critical Access Hospitals · Deer River, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241360
Location115 10th Avenue NortheastDeer River, MN 56636 · Itasca County
Emergency services

St Marys Hospital Superior

Critical Access Hospitals · Superior, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521329
Location3500 Tower AveSuperior, WI 54880 · Douglas County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$16.14 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$783.23 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
6 suppliers64 claims64 services$96.75 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
3 suppliers19 claims19 services$31.94 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
3 suppliers15 claims3,260 services$0.03 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
7 suppliers21 claims3,409 services$0.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
400 E 3RD ST
DULUTH, MN 55805
Internal Medicine (Infectious Disease)
400 E 3RD ST
DULUTH, MN 55805
Nurse Practitioner (Psychiatric/Mental Health)
400 E 3RD ST
DULUTH, MN 55805
Hospitalist
400 E 3RD ST
DULUTH, MN 55805
Radiology (Diagnostic Radiology)
400 E 3RD ST
DULUTH, MN 55805
Internal Medicine (Cardiovascular Disease)
400 E 3RD ST
DULUTH, MN 55805
Clinical Nurse Specialist (Medical-Surgical)
400 E 3RD ST
DULUTH, MN 55805
Internal Medicine
400 E 3RD ST
DULUTH, MN 55805

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sonja Bjerk's NPI number?

The NPI number for Sonja Bjerk is 1316012297. It was assigned to this individual provider in the NPPES registry on November 23, 2006.

Where is Sonja Bjerk located?

Sonja Bjerk practices at 400 E 3rd St Essentia Health Duluth Clinic, Duluth, MN 55805. The listed phone number is (218) 786-3993.

What is Sonja Bjerk's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Sonja Bjerk enrolled in Medicare?

Yes. Sonja Bjerk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Sonja Bjerk accept?

Health plans from HealthPartners, Medica, Sanford Health Plan and Security Health Plan list Sonja Bjerk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sonja Bjerk affiliated with any hospitals?

According to CMS data, Sonja Bjerk is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth, Essentia Health Virginia, Essentia Health Deer River and St Marys Hospital Superior.

When was this NPI record last updated?

The NPPES record for Sonja Bjerk was last updated on December 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.