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

Joseph S Thomas, MD

Individual provider Internal Medicine Physician · NPI 1861887846

Joseph S Thomas, MD is an Internal Medicine in Buffalo, New York. Graduated from State University of New York at Buffalo School of Medicine in 2015, 11 years ago. Practices with Sisters of Charity Hospital of Buffalo New York, a 161-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
11
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
In the registry since
2015
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

100 High Street Buffalo General Hospital
Buffalo, NY 14203
Phone: (716) 859-5600
Fax: (716) 817-1724
Show map & directions

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

Additional practice locations (4)

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 291514 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1861887846
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2015
Last updated in NPPESAugust 13, 2025
Certification dateAugust 13, 2025
Mailing address425 Essjay Rd Ste 170, Williamsville, NY 14221-8235

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Sisters Of Charity Hospital Of Buffalo New York — 161 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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