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

Dr. John R. Brereton, MD

Individual provider Cardiovascular Disease Physician · NPI 1407937469

Dr. John R. Brereton, MD is a Cardiovascular Disease Physician in Norwich, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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 Address checks out

179 N Broad St
Norwich, NY 13815-1019
Phone: (607) 337-4215
Fax: (607) 337-4102
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 131008 (NY)

Record details

NPI number1407937469
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESDecember 18, 2012

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