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

Individual provider Internal Medicine Physician · NPI 1750968194

Dr. John Pierre Chahraban, MD is an Internal Medicine in Boston, Massachusetts. Graduated from Tufts University School of Medicine in 2021, 5 years ago. Practices with Pratt Medical Group Inc, a 277-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
5
Trained at
Tufts University School of Medicine
Licensed in
MA
In the registry since
2021
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

800 Washington St
Boston, MA 02111-1552
Phone: (617) 636-5000
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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 1019375 (MA)

Record details

NPI number1750968194
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2021
Last updated in NPPESJune 20, 2024
Certification dateJune 20, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Pratt Medical Group Inc — 277 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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