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

Malgorzata McMasters

Individual provider Hematology & Oncology Physician · NPI 1588878029

Malgorzata McMasters is a Hematology/Oncology in Boston, Massachusetts. Qualified in 1995, 31 years ago. Practices with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc, a 1,676-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
31
Licensed in
MA
In the registry since
2007
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

55 Fruit St
Boston, MA 02114-2621
Phone: (617) 726-2000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 450 Brookline Ave, Boston, MA 02215-5450 — (617) 632-1906

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 240551 (MA)

Record details

NPI number1588878029
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 10, 2007
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026
Mailing address55 Fruit St, Boston, MA 02114-2696

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc — 1676 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Boston