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

Olivia Maureen Grennan

Individual provider Case Manager/Care Coordinator · NPI 1790449791

Olivia Maureen Grennan is a Case Manager/Care Coordinator in Columbus, Ohio. Registered with an NPI since 2021.

In the registry since
2021

Practice location Address checks out

4897 Karl Rd
Columbus, OH 43229-5147
Phone: (614) 846-2588
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1790449791
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 26, 2021
Last updated in NPPESNovember 8, 2021
Certification dateNovember 8, 2021

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