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

Dr. Walter Joseph Koroshetz, MD

Individual provider Internal Medicine Physician · NPI 1255312211

Dr. Walter Joseph Koroshetz, MD is an Internal Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2005.

Licensed in
MA
In the registry since
2005
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 Vbk 915
Boston, MA 02114-2621
Phone: (617) 726-7413
Fax: (617) 726-2353
Show map & directions

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

Specialties & licences

Vascular Neurology Physician (primary) Taxonomy 2084V0102X · Licence 50968 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 50968 (MA)
Nephrology Physician Taxonomy 207RN0300X · Licence 50968 (MA)

Record details

NPI number1255312211
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2005
Last updated in NPPESJuly 13, 2026

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