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

Gregory S Gordon, MD

Individual provider Internal Medicine Physician · NPI 1235124777

Gregory S Gordon, MD is an Internal Medicine Physician in Merrillville, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8701 Broadway
Merrillville, IN 46410-7035
Phone: (219) 738-5510
Fax: (219) 738-6714
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 01038358 (IN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 01038358 (IN)

Record details

NPI number1235124777
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 12, 2005
Last updated in NPPESAugust 1, 2019
Mailing address20021 Mohawk Trl, Olympia Fields, IL 60461-1125

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