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

Dr. Leo Lee Tsai, MD, PHD, MSC

Individual provider Magnetic Resonance Imaging (MRI) Internal Medicine Physician · NPI 1720250228

Dr. Leo Lee Tsai, MD, PHD, MSC is a Diagnostic Radiology in Boston, Massachusetts. Graduated from Harvard Medical School in 2008, 18 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
18
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2008
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

330 Brookline Ave # ANSIN230
Boston, MA 02215-5400
Phone: (617) 667-0278
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 236117 (MA)
Magnetic Resonance Imaging (MRI) Internal Medicine Physician Taxonomy 207RM1200X · Licence 236117 (MA)
Body Imaging Physician Taxonomy 2085B0100X · Licence 236117 (MA)
Diagnostic Ultrasound Physician Taxonomy 2085U0001X · Licence 236117 (MA)

Record details

NPI number1720250228
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD , MSC
Sole proprietorYes
NPI enumeratedMarch 25, 2008
Last updated in NPPESJuly 20, 2023
Certification dateJuly 20, 2023

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2008 (18 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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