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

Dr. Deirdre M. O'Reilly, MD, MPH

Individual provider Pediatrics Physician · NPI 1548250350

Dr. Deirdre M. O'Reilly, MD, MPH is a Pediatrics Physician in Worcester, Massachusetts. Licensed in Massachusetts and Vermont. Registered with an NPI since 2005.

Licensed in
MA, VT
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

119 Belmont St
Worcester, MA 01605-2903
Phone: (508) 334-6206
Fax: (508) 334-6083
Show map & directions

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

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence 216802 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 216802 (MA)
Neonatal-Perinatal Medicine Physician Taxonomy 2080N0001X · Licence 042.0013419 (VT)

Record details

NPI number1548250350
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedOctober 24, 2005
Last updated in NPPESJune 24, 2016

Other providers in Worcester