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

Alexander T. Yu, MD

Individual provider Internal Medicine Physician · NPI 1780946285

Alexander T. Yu, MD practises Internal Medicine in Boston, Massachusetts. Graduated from Texas Tech University Health Science Center School of Medicine in 2012, 14 years ago. Practices with County of San Mateo, a 316-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
14
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
MA
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Massachusetts General Hospital 55 Fruit St
Boston, MA 02114 Not confirmed with CMS for 14 years — call before visiting
Phone: (617) 726-2865
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence L-252853 (MA)

Record details

NPI number1780946285
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2012
Last updated in NPPESJune 11, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice County Of San Mateo — 316 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at County of San Mateo

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 316 clinicians in the practice; 12 are shown here.

Other providers in Boston