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

Dr. Jack Leitner, MD

Individual provider Internal Medicine Physician · NPI 1205975067

Dr. Jack Leitner, MD is an Internal Medicine Physician in Framingham, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
Specialties on file
2
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

95 Lincoln St
Framingham, MA 01702
Phone: (508) 875-1964
Fax: (508) 626-7690
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 31597 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 31597 (MA)

Record details

NPI number1205975067
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 6, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address95 Lincoln St, Framingham, MA 01702

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