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

Individual provider Internal Medicine Physician · NPI 1417319666

Dr. Maria Vivienne Kosovsky, MD is an Internal Medicine in Boston, Massachusetts. Qualified in 2016, 10 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
10
Licensed in
MA
In the registry since
2016
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) 643-8245
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 75 Francis St, Boston, MA 02115-6110 — (617) 732-5500
  • 1153 Centre St, Jamaica Plain, MA 02130-3446 — (617) 983-7000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 1020122 (MA)

Record details

NPI number1417319666
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2016
Last updated in NPPESFebruary 11, 2026
Certification dateFebruary 11, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 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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