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

Peter Alfred Schlesinger, MD

Individual provider Internal Medicine Physician · NPI 1265409650

Peter Alfred Schlesinger, MD is an Internal Medicine Physician in Cambridge, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1000 Cambridge St 2nd Fl
Cambridge, MA 02141-1043
Phone: (617) 876-1668
Fax: (617) 864-0666
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 40898 (MA)

Record details

NPI number1265409650
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 3, 2006
Last updated in NPPESMarch 26, 2013

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