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

Individual provider Clinical Pathology Physician · NPI 1659665685

Grace K. Mahowald, MD, PHD is a Clinical Pathology Physician in Boston, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2011
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 Partly verified

Some contact details are missing from the federal record.

Massachusetts General Hospital 55 Fruit St
Boston, MA 02114
Phone: (617) 726-2865
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6110 — (617) 724-3767

Specialties & licences

Clinical Pathology Physician (primary) Taxonomy 207ZC0006X · Licence L-247754 (MA)

Record details

NPI number1659665685
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJune 7, 2011
Last updated in NPPESJuly 21, 2026
Certification dateJuly 21, 2026

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