Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Joann M Ermer-Seltun, ARNP

Individual provider Nurse Practitioner · NPI 1801998570

Joann M Ermer-Seltun, ARNP is a Nurse Practitioner in Mason City, Iowa. Qualified in 1999, 27 years ago. Practices with North Iowa Mercy Clinics, a 300-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
27
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.

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Practice location Address checks out

1000 4th St SW
Mason City, IA 50401-2800
Phone: (641) 428-8001
Fax: (641) 428-6160
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1010 4th St Sw, Mason City, IA 50401-2857 — (641) 422-6000

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 072091 (IA)

Record details

NPI number1801998570
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedSeptember 2, 2006
Last updated in NPPESJuly 9, 2025
Certification dateJuly 9, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice North Iowa Mercy Clinics — 300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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