Individual provider · Type 1 NPI

Michael Denis Royster, MD

Internal Medicine Physician · Hyannis, MA

NPI number 1184913899 Active

Practice location

27 Park St
Hyannis, MA 02601-5230

Mailing address

47 Popple Bottom Road
Sandwich, MA 02563

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X258692 (MA)

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…

213 other providers at this address

Other internal medicine physician providers in Hyannis

See all in Hyannis →

About NPI 1184913899

Michael Denis Royster, MD's National Provider Identifier is 1184913899, issued on Apr 4, 2011. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Hyannis, MA. The record was last updated on Jul 26, 2026.