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

Dr. James Stuart Allan, MD

Individual provider Surgery Physician · NPI 1699765859

Dr. James Stuart Allan, MD is a Thoracic Surgery in Boston, Massachusetts. Graduated from Harvard Medical School in 1990, 36 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
36
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2005
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

55 Fruit St Blk 1570
Boston, MA 02114-2621
Phone: (617) 724-1103
Fax: (978) 745-9024
Show map & directions

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

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 80823 (MA)
Surgery Physician Taxonomy 208600000X · Licence 80823 (MA)

Record details

NPI number1699765859
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 27, 2005
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 9142, Charlestown, MA 02129-9142

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Also practisesGENERAL SURGERY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1990 (36 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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