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

Dr. John Carruth Chapin, MD

Individual provider Internal Medicine Physician · NPI 1205150869

Dr. John Carruth Chapin, MD is an Internal Medicine Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2010
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

520 E 70th St Starr 341
New York, NY 10021-9800
Phone: (646) 962-2065
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 256429 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 256429 (NY)

Record details

NPI number1205150869
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 24, 2010
Last updated in NPPESMarch 27, 2014

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