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

Judith K Weis, MD

Individual provider Family Medicine Physician · NPI 1942252226

Judith K Weis, MD is a Family Practice in Mascoutah, Illinois. Graduated from Southern Illinois University School of Medicine in 1992, 34 years ago. Practices with Lincoln Surgical Associates, Ltd, a 25-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
34
Trained at
Southern Illinois University School of 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

739 N Jefferson St Ste 200
Mascoutah, IL 62258-1447
Phone: (618) 566-8810
Fax: (618) 566-7121
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036089439 (IL)

Record details

NPI number1942252226
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 16, 2006
Last updated in NPPESDecember 17, 2009
Mailing address739 N Jefferson St, Suite 200, Mascoutah, IL 62258-1447

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Lincoln Surgical Associates, Ltd. — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Mascoutah