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

Mary F O'Connor, ARNP

Individual provider Family Nurse Practitioner · NPI 1255303756

Mary F O'Connor, ARNP is a Nurse Practitioner in Zearing, Iowa. Qualified in 1997, 29 years ago. Practices with Ellsworth Municipal Hospital, a 16-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
29
Licensed in
IA
In the registry since
2006
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

112 W Main St
Zearing, IA 50278-7728
Phone: (641) 487-7800
Fax: (641) 487-7803
Show map & directions

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

Additional practice locations (1)

  • 920 S Oak St, Iowa Falls, IA 50126-9506 — (641) 648-7000

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence A097778 (IA)

Record details

NPI number1255303756
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedFebruary 7, 2006
Last updated in NPPESJune 26, 2023
Certification dateJune 26, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Ellsworth Municipal Hospital — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount