Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Thomas L. Michalsen, DO

Individual provider General Practice Physician · NPI 1114947876

Dr. Thomas L. Michalsen, DO is a General Practice in Kirkland, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1983, 43 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
43
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

406 S 5th St
Kirkland, IL 60146-7711
Phone: (815) 522-3301
Fax: (815) 522-3855
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 036066772 (IL)

Record details

NPI number1114947876
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESAugust 22, 2022
Certification dateAugust 22, 2022
Mailing address1713 Oakwood Glen Close, Rockford, IL 61108-7011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL PRACTICE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare