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

Dr. Thomas Edwin Klarquist, MD

Individual provider Internal Medicine Physician · NPI 1477517373

Dr. Thomas Edwin Klarquist, MD is an Internal Medicine in Chicago, Illinois. Graduated from Michigan State University College of Human Medicine in 1987, 39 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
39
Trained at
Michigan State University College of Human Medicine
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3134 N Clark St
Chicago, IL 60657-4414
Phone: (773) 296-5090
Fax: (312) 766-4908
Show map & directions

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

Additional practice locations (1)

  • 1695 N Sunrise Way, Palm Springs, CA 92262-3701 — (760) 323-2118

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036100647 (IL)

Record details

NPI number1477517373
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 17, 2006
Last updated in NPPESMarch 26, 2025
Certification dateMarch 26, 2025
Mailing address29373 Network Pl, Chicago, IL 60673-1293

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 1987 (39 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Chicago