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

Mary O'Brien

Individual provider Acute Care Nurse Practitioner · NPI 1477938900

Mary O'Brien is a Certified Registered Nurse Anesthetist (CRNA) in Cincinnati, Ohio. Graduated from University of Cincinnati College of Medicine in 2024, 2 years ago. Practices with University of Cincinnati Physicians Company LLC, a 1,476-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
2
Trained at
University of Cincinnati College of Medicine
Licensed in
OH
In the registry since
2015
Specialties on file
2
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Practice location Address checks out

3188 Bellevue Ave
Cincinnati, OH 45219-2369
Phone: (513) 475-8730
Fax: (513) 475-7257
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 0021205 (OH)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence COA.17778-NP (OH)

Record details

NPI number1477938900
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJuly 27, 2015
Last updated in NPPESJanuary 23, 2025
Certification dateJanuary 23, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 2024 (2 years in practice)
Group practice University Of Cincinnati Physicians Company Llc — 1476 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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