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

John Ostrominski

Individual provider Cardiovascular Disease Physician · NPI 1740770155

John Ostrominski is a Cardiovascular Disease Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2018.

Licensed in
MA
In the registry since
2018

Practice location Address checks out

75 Francis St
Boston, MA 02115-6110
Phone: (617) 732-5500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 291118 (MA)

Record details

NPI number1740770155
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 11, 2018
Last updated in NPPESJune 1, 2026
Certification dateJune 1, 2026

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