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

Ian Barbash

Individual provider Internal Medicine Physician · NPI 1922328392

Ian Barbash is an Internal Medicine in Boston, Massachusetts. Graduated from Harvard Medical School in 2010, 16 years ago. Practices with University of Pittsburgh Physicians, a 4,127-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
16
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2010
Claim this listing Report a problem Suggest an edit

Practice location Partly verified

Some contact details are missing from the federal record.

Massachusetts General Hospital 55 Fruit St
Boston, MA 02114
Phone: (617) 726-2865
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence L-244091 (MA)

Record details

NPI number1922328392
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 8, 2010
Last updated in NPPESApril 6, 2021
Mailing addressMassachusetts General Hospital, 55 Fruit St., Boston, MA 02114

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS), PULMONARY DISEASE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2010 (16 years in practice)
Group practice University Of Pittsburgh Physicians — 4127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Boston