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

Mark Weisberg

Individual provider Internal Medicine Physician · NPI 1972531168

Mark Weisberg is an Internal Medicine in Elk Grove Vlg, Illinois. Graduated from Northwestern University Feinberg Medical School in 1990, 36 years ago. Practices with Elk Grove Internists PC, a 2-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
36
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2006

Practice location Address checks out

810 Biesterfield Rd Ste G4
Elk Grove Vlg, IL 60007-7312
Phone: (847) 981-8856
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1972531168
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESJanuary 9, 2008
Mailing address810 Biesterfield Rd, Suite G4, Elk Grove Vlg, IL 60007-7312

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1990 (36 years in practice)
Group practice Elk Grove Internists Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Elk Grove Vlg