Individual provider · Type 1 NPI

Gaurav Alreja, MD

Internal Medicine Physician · Merrillville, IN

NPI number 1639346380 Active

Practice location

6061 Broadway
Merrillville, IN 46410-2619

Fax (219) 884-2810

Mailing address

120 W 22nd St Ste 200
Oak Brook, IL 60523-1563

Other practice locations

  • 502 W 4th Ave, Toppenish, WA 98948-1616 · (303) 390-1940
  • 3500 Franciscan Way, Michigan City, IN 46360-0021 · (219) 852-1524

Specialties and licenses

TaxonomyCodeLicense
Nephrology Physician 207RN0300X01076949A (IN)
Hospitalist Physician 208M00000X01076949A (IN)
Internal Medicine Physician 207R00000XIMLC.MD.70137464 (WA)
Internal Medicine Physician Primary 207R00000X35C.003571 (OH)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

2 other providers at this address

Other internal medicine physician providers in Merrillville

See all in Merrillville →

About NPI 1639346380

Gaurav Alreja, MD's National Provider Identifier is 1639346380, issued on May 13, 2008. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Merrillville, IN. The record was last updated on Aug 11, 2026.