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

Individual provider Addiction Medicine (Internal Medicine) Physician · NPI 1073253241

Vivian Kalu, MD is an Internal Medicine in Boston, Massachusetts. Qualified in 2021, 5 years ago. Practices as a sole proprietor and works from 2 locations. Licensed in Massachusetts.

Years since qualifying
5
Licensed in
MA
In the registry since
2022
Specialties on file
3
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
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 1st Ave, Charlestown, MA 02129-3109 — (617) 726-2000

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Addiction Medicine (Internal Medicine) Physician Taxonomy 207RA0401X · Licence 3015469 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1022386 (MA)

Record details

NPI number1073253241
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 29, 2022
Last updated in NPPESNovember 20, 2025
Certification dateNovember 20, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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