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

Individual provider Internal Medicine Physician · NPI 1255472031

Dr. Mary Thorndike, MD is an Internal Medicine in Boston, Massachusetts. Graduated from Harvard Medical School in 2004, 22 years ago. Practices with Brigham and Womens Physicians Organization Inc, a 2,916-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
22
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2007
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) 732-5845
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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 221487 (MA)

Record details

NPI number1255472031
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 12, 2007
Last updated in NPPESSeptember 15, 2020
Certification dateSeptember 15, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2004 (22 years in practice)
Group practice Brigham And Womens Physicians Organization Inc — 2916 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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