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

Nancy Collins O'Brien, MD

Individual provider Pediatrics Physician · NPI 1770576373

Nancy Collins O'Brien, MD is a Pediatrics Physician in Ottumwa, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
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 Partly verified

Some contact details are missing from the federal record.

Ottumwa Pediatrics 931 Pennsylvania Ave
Ottumwa, IA 52501
Phone: (641) 684-3000
Fax: (641) 684-2469
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 29316 (IA)
Pediatrics Physician Taxonomy 208000000X · Licence 29316 (IA)

Record details

NPI number1770576373
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2005
Last updated in NPPESJuly 13, 2026
Mailing addressOttumwa Pediatrics, 931 Pennsylvania Ave, Ottumwa, IA 52501

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