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

Regis J Weiss, MD

Individual provider Gynecologic Oncology Physician · NPI 1588661318

Regis J Weiss, MD is a Gynecologic Oncology Physician in Lake Forest, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2005
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

660 N Westmoreland Rd Ste 306
Lake Forest, IL 60045-1659
Phone: (847) 956-8700
Fax: (847) 888-9609
Show map & directions

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

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence 036-090146 (IL)

Record details

NPI number1588661318
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 7, 2005
Last updated in NPPESMarch 2, 2010