DR. WILLIAM JOSEPH DWYER M.D.
NPI 1336197847
Pediatrics - Neonatal-Perinatal Medicine in Boston, MA

Active since May 05, 2006
55 FRUIT ST, NEONATOLOGY UNIT, FND442,MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 726-9040(617) 726-9346 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Joseph Dwyer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM JOSEPH DWYER M.D. (NPI 1336197847) is an individual neonatal-perinatal medicine provider in Boston, Massachusetts, licensed in Massachusetts (208982) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1336197847
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. WILLIAM JOSEPH DWYERCredential: M.D.
Location Address55 FRUIT ST, NEONATOLOGY UNIT, FND442,MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114-2696
Mailing Address201 Turnpike StNorth Andover, MA 01845-5005 · (978) 697-2556
Fax(617) 726-9346
Sole ProprietorNo
Enumeration DateMay 5, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1336197847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses Licensed in MA · 208982 Licensed in TX · J9007
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
55 FRUIT ST, Boston, MA 02114

Other Identifiers 5

Medicaid2004763MA
Medicare ID-Type UnspecifiedA36169MA
OtherJ26042MA · Bcbs Ma
Medicare UPING11267
Other208982MA · Tufts Health Plan

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Dwyer's NPI number?

The NPI number for William Dwyer is 1336197847. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is William Dwyer located?

William Dwyer practices at 55 Fruit St Neonatology Unit, Fnd442,massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-9040.

What is William Dwyer's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

When was this NPI record last updated?

The NPPES record for William Dwyer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.