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
Mailing address41 Us Highway 41, Schererville, IN 46375-1201