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

Mrs. Olesia Nikolyevna Grellner, APRN-CNP

Individual provider Family Nurse Practitioner · NPI 1114185659

Mrs. Olesia Nikolyevna Grellner, APRN-CNP is a Family Nurse Practitioner in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2008.

Licensed in
OK
In the registry since
2008

Practice location Address checks out

2625 General Pershing Blvd
Oklahoma City, OK 73107-6437
Phone: (405) 945-6225
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 90690 (OK)

Record details

NPI number1114185659
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN-CNP
Sole proprietorNo
NPI enumeratedMay 31, 2008
Last updated in NPPESJanuary 3, 2017

Other providers in Oklahoma City