Individual provider · Type 1 NPI

Joseph S. Thomas, MD

Internal Medicine Physician · Buffalo, NY

NPI number 1861887846 Active

Practice location

100 High Street, Buffalo General Hospital
Buffalo, NY 14203

Call (716) 859-5600 Map

Fax (716) 817-1724

Mailing address

425 Essjay Rd Ste 170
Williamsville, NY 14221-8235

Other practice locations

462 Grider St, Buffalo, NY 14215-3021 · (716) 898-4806
565 Abbott Rd, Buffalo, NY 14220-2039 · (716) 826-7000
85 High St, Buffalo, NY 14203-1149 · (716) 630-1000
3495 Bailey Ave, Buffalo, NY 14215 · (716) 862-5496

Specialties and licenses

Taxonomy	Code	License
Internal Medicine Physician Primary	207R00000X	291514 (NY)
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 1861887846

Joseph S. Thomas, MD's National Provider Identifier is 1861887846, issued on Apr 6, 2015. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Buffalo, NY. The record was last updated on Aug 13, 2025.