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

John Bonnewell, MD

Individual provider Clinical Pathology/Laboratory Medicine Physician · NPI 1730592130

John Bonnewell, MD is an Infectious Disease in Buffalo, New York. Qualified in 2014, 12 years ago. Practices with Roswell Park Cancer Institute, a 489-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
12
Licensed in
NY
In the registry since
2014
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Elm And Carlton Streets
Buffalo, NY 14263
Phone: (716) 845-2300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 310867 (NY)
Clinical Pathology/Laboratory Medicine Physician Taxonomy 207ZP0105X · Licence 310867 (NY)

Record details

NPI number1730592130
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 4, 2014
Last updated in NPPESDecember 18, 2024
Certification dateDecember 18, 2024
Mailing addressElm And Carlton St, Buffalo, NY 14263-0001

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesPATHOLOGY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Roswell Park Cancer Institute — 489 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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