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DR. BRIAN THOMAS MICHALSEN D.O.
NPI 1548426158
Family Medicine in Rockford, IL

Active since August 03, 2008PECOS EnrolledAccepts Medicare Assignment
6998 REDANSA DR, ROCKFORD, IL 61108(815) 971-2000(815) 971-9620 Get Directions Write a Review

NPPES record last updated: August 6, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 6, 2024, Apr 24, 2024 (2 updates tracked since 2024).

About Dr. Brian Thomas Michalsen D.o. NPPES

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

DR. BRIAN THOMAS MICHALSEN D.O. (NPI 1548426158) is an individual family medicine provider in Rockford, Illinois, licensed in Michigan (5101027951) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1548426158
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. BRIAN THOMAS MICHALSENCredential: D.O.
Location Address6998 REDANSA DRRockford, IL 61108-4378
Mailing Address601 John Street, Box 42Kalamazoo, MI 49007
Phone(815) 971-2000
Fax(815) 971-9620
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2008
Enumeration DateAugust 3, 2008
Last NPPES UpdateAugust 6, 20242 updates tracked since enumeration
NPPES CertifiedAugust 6, 2024
✔ NPI 1548426158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in MI · 5101027951✔ Licensed in IL · 036-126596
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License 036126596 (IL), 5101027951 (MI)
6998 REDANSA DR, Rockford, IL 61108
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Secondary Practice Locations 2

Location 18201 E Riverside BlvdRockford, IL 61114-2300 · Phone (815) 971-5000
Location 22700 E Centre AvePortage, MI 49002-5500 · Phone (269) 286-7050

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Brian Thomas Michalsen D.o. 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 ID8921259300
PECOS Enrollment IDI20240813003356
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Brian Michalsen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rockford Health Physicians
4.5 mi
Multi-Specialty
8201 E RIVERSIDE BLVD
Rockford, IL 61114
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
NPI 1043242886 (608) 314-2428
Bronson Methodist Hospital
174 mi
Hospitalist
601 JOHN STREET
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
  • 1,133 clinicians in this Medicare group
NPI 1417961137 (269) 341-7654
Bronson Battle Creek Hospital
194 mi
Internal Medicine
300 NORTH AVE
Battle Creek, MI 49017
  • Reassigned Medicare billing, Michigan enrollment
  • 557 clinicians in this Medicare group
NPI 1093119638 (269) 245-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
153 services125 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
69 services69 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
49 services46 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
26 services21 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230017
Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County
Emergency services Birthing friendly

Bronson South Haven Hospital

Acute Care Hospitals · South Haven, MI
OwnershipGovernment - Hospital District or Authority
CMS Certification Number230085
Location955 S Bailey AveSouth Haven, MI 49090 · Van Buren County
Emergency services

Bronson Lakeview Hospital

Critical Access Hospitals · Paw Paw, MI
OwnershipVoluntary non-profit - Private
CMS Certification Number231332
Location408 Hazen StreetPaw Paw, MI 49079 · Van Buren County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61108 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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 4

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers37 claims82 services$5.59 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers16 claims18 services$1.02 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$907.03 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier11 claims11 services$3.71 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Brian Michalsen's NPI number?

The NPI number for Brian Michalsen is 1548426158. It was assigned to this individual provider in the NPPES registry on August 3, 2008.

Where is Brian Michalsen located?

Brian Michalsen practices at 6998 Redansa Dr, Rockford, IL 61108. The listed phone number is (815) 971-2000.

What is Brian Michalsen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Brian Michalsen enrolled in Medicare?

Yes. Brian Michalsen 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.

Which organizations bill Medicare for Brian Michalsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Michalsen reassigns Medicare benefits to 3 organizations: Rockford Health Physicians (Rockford, IL), Bronson Methodist Hospital (Kalamazoo, MI) and Bronson Battle Creek Hospital (Battle Creek, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brian Michalsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Michalsen accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Brian Michalsen 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 Brian Michalsen affiliated with any hospitals?

According to CMS data, Brian Michalsen is affiliated with Bronson Methodist Hospital, Bronson South Haven Hospital and Bronson Lakeview Hospital.

When was this NPI record last updated?

The NPPES record for Brian Michalsen was last updated on August 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.