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

Zbigniew Thaddeus Lorenc, MD

Individual provider Internal Medicine Physician · NPI 1902879380

Zbigniew Thaddeus Lorenc, MD is an Internal Medicine in Crystal Lake, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1973, 53 years ago. Practices with Central Dupage Physician Group, a 1,094-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
53
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
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

360 Station Dr
Crystal Lake, IL 60014
Phone: (815) 338-6600
Fax: (815) 356-2351
Show map & directions

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

Additional practice locations (1)

  • 360 Station Drive, Crystal Lake, IL 60014 — (815) 338-6600

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036054535 (IL)

Record details

NPI number1902879380
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESOctober 19, 2018
Mailing address650 Dakota St Ste A, Crystal Lake, IL 60012-3744

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1973 (53 years in practice)
Group practice Central Dupage Physician Group — 1094 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Crystal Lake