Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

John Sparrow Duffy, MD

Individual provider Family Medicine Physician · NPI 1295710358

John Sparrow Duffy, MD is registered under Family Practice in Canton, New York. Qualified in 2003, 23 years ago. Practices with Claxton-Hepburn Medical Center, a 78-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
23
Licensed in
NY
In the registry since
2005
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

39 W Main St
Canton, NY 13617
Phone: (315) 379-4700
Fax: (315) 713-6512
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 284577 (NY)

Record details

NPI number1295710358
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 13, 2005
Last updated in NPPESOctober 21, 2022
Certification dateOctober 21, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Claxton-Hepburn Medical Center — 78 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations14 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Claxton-Hepburn Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 78 clinicians in the practice; 12 are shown here.

Other providers in Canton