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

David Graham Clossey, MD

Individual provider Internal Medicine Physician · NPI 1710514054

David Graham Clossey, MD is an Internal Medicine in Boston, Massachusetts. Graduated from Harvard Medical School in 2020, 6 years ago. Practices with President and Fellows of Harvard College, a 95-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
6
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2020
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

75 Francis St
Boston, MA 02115-6110
Phone: (617) 732-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 1020975 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 284112 (MA)

Record details

NPI number1710514054
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2020
Last updated in NPPESJune 25, 2024
Certification dateJune 25, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2020 (6 years in practice)
Group practice President And Fellows Of Harvard College — 95 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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