Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Prof. Guillermo James Tearney, MD, PHD

Individual provider Anatomic Pathology Physician · NPI 1851727341

Prof. Guillermo James Tearney, MD, PHD is an Anatomic Pathology Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2013.

Licensed in
MA
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

55 Fruit St Bhx 604A
Boston, MA 02114-2621
Phone: (617) 724-2979
Fax: (617) 726-4103
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Specialties & licences

Anatomic Pathology Physician (primary) Taxonomy 207ZP0101X · Licence 209009 (MA)

Record details

NPI number1851727341
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedSeptember 17, 2013
Last updated in NPPESSeptember 17, 2013

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