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

Dr. William Joseph Dwyer, MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1336197847

Dr. William Joseph Dwyer, MD is a Neonatal-Perinatal Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts and Texas. Registered with an NPI since 2006.

Licensed in
MA, TX
In the registry since
2006
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

55 Fruit St Neonatology Unit FND442 Massachusetts General Hospital
Boston, MA 02114-2696
Phone: (617) 726-9040
Fax: (617) 726-9346
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence 208982 (MA)
Neonatal-Perinatal Medicine Physician Taxonomy 2080N0001X · Licence J9007 (TX)

Record details

NPI number1336197847
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESJuly 8, 2007

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