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

Dr. Steven Michael Blum, MD

Individual provider Internal Medicine Physician · NPI 1447632823

Dr. Steven Michael Blum, MD is a Medical Oncology in Boston, Massachusetts. Graduated from University of California, Geffen School of Medicine in 2015, 11 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
11
Trained at
University of California, Geffen School of Medicine
Licensed in
MA
In the registry since
2015
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
Boston, MA 02114-2696
Phone: (617) 726-2000
Show map & directions

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

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6110 — (617) 732-5500

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 275274 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 263240 (MA)

Record details

NPI number1447632823
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 23, 2015
Last updated in NPPESAugust 12, 2022
Certification dateJuly 18, 2022
Mailing addressMailstop Cny 149-8, 149 13th Street, Boston, MA 02129

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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