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

Dr. William Michael Dunleavy, MD

Individual provider Anesthesiology Physician · NPI 1861545865

Dr. William Michael Dunleavy, MD is an Anesthesiology Physician in Westfield, New Jersey. Practices as a sole proprietor. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1291 E Broad St
Westfield, NJ 07090-1105
Phone: (908) 233-7272
Fax: (908) 233-2859
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MA65776 (NJ)
Anesthesiology Physician Taxonomy 207L00000X · Licence 198751 (NY)

Record details

NPI number1861545865
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 21, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1291 E Broad St, Westfield, NJ 07090-1105