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

Dr. Douglas M Delong, MD

Individual provider Internal Medicine Physician · NPI 1679534390

Dr. Douglas M Delong, MD is an Internal Medicine in Cooperstown, New York. Graduated from University of North Carolina at Chapel Hill School of Medicine in 1979, 47 years ago. Practices with Mary Imogene Bassett Hospital, a 779-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
47
Trained at
University of North Carolina at Chapel Hill School of Medicine
Licensed in
NY
In the registry since
2006
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1 Atwell Rd
Cooperstown, NY 13326-1301
Phone: (607) 547-3967
Fax: (607) 547-3259
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 143872 (NY)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 143872 (NY)

Record details

NPI number1679534390
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2006
Last updated in NPPESApril 15, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Mary Imogene Bassett Hospital — 779 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Cooperstown