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

Elizabeth Susan O Brien, MD

Individual provider Pediatrics Physician · NPI 1831276427

Elizabeth Susan O Brien, MD is a Pediatrics Physician in Chesterfield, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
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

16216 Baxter Rd Ste 299
Chesterfield, MO 63017
Phone: (636) 530-9999
Fax: (636) 530-0977
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence R9J85 (MO)

Record details

NPI number1831276427
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESJuly 8, 2007

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