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

Gregory Allen Thomas, MD

Individual provider Obesity Medicine (Internal Medicine) Physician · NPI 1972876928

Gregory Allen Thomas, MD is an Obesity Medicine (Internal Medicine) Physician in Schererville, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2012
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

41 US Highway 41
Schererville, IN 46375-1201
Phone: (219) 765-4720
Show map & directions

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

Specialties & licences

Obesity Medicine (Internal Medicine) Physician (primary) Taxonomy 207RB0002X · Licence 01066876A (IN)

Record details

NPI number1972876928
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 21, 2012
Last updated in NPPESFebruary 21, 2012