Individual provider · Type 1 NPI

Antoine Sassine

Internal Medicine Physician · Grand Rapids, MI

NPI number 1700403268 Active

Practice location

300 Lafayette Ave SE Ste 3000
Grand Rapids, MI 49503-4692

Call (616) 685-6919 Map

Mailing address

PO Box 776974
Chicago, IL 60677-6974

Other practice locations

200 Jefferson Ave SE, Grand Rapids, MI 49503-4502 · (616) 685-5576

Specialties and licenses

Taxonomy	Code	License
Internal Medicine Physician Primary	207R00000X	4301518035 (MI)
Student in an Organized Health Care Education/Training Program	390200000X	None listed

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…

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About NPI 1700403268

Antoine Sassine's National Provider Identifier is 1700403268, issued on Jul 1, 2020. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Grand Rapids, MI. The record was last updated on May 26, 2026.