Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mary Cathryn Obrien, APRN, FNP-C

Individual provider Family Nurse Practitioner · NPI 1740970359

Mary Cathryn Obrien, APRN, FNP-C is a Family Nurse Practitioner in Oklahoma City, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2023.

Licensed in
OK
In the registry since
2023
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

2921 SW 89th St
Oklahoma City, OK 73159-6332
Phone: (405) 703-3116
Fax: (405) 757-7819
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 212390 (OK)

Record details

NPI number1740970359
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , FNP-C
Sole proprietorNo
NPI enumeratedMay 9, 2023
Last updated in NPPESMay 9, 2023
Certification dateMay 9, 2023

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