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

Dr. John L Brusch, MD

Individual provider Internal Medicine Physician · NPI 1639138449

Dr. John L Brusch, MD is an Internal Medicine Physician in Cambridge, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

1493 Cambridge Street Cahill Bldg Cambridge Hospital
Cambridge, MA 02139
Phone: (617) 661-1800
Fax: (617) 661-7416
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Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 32675 (MA)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 32675 (MA)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 32675 (MA)

Record details

NPI number1639138449
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2006
Last updated in NPPESFebruary 2, 2012
Mailing address1493 Cambridge St, Cahill Building Room C220 2nd Floor, Cambridge, MA 02139-1047

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