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

Joan K Zenner, ARNP

Individual provider Family Nurse Practitioner · NPI 1760418453

Joan K Zenner, ARNP is a Family Nurse Practitioner in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

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

1000 4th St SW
Mason City, IA 50401-2800
Phone: (641) 422-6999
Fax: (641) 422-6678
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 A-057792 (IA)

Record details

NPI number1760418453
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedJune 24, 2006
Last updated in NPPESJuly 8, 2007
Mailing address621 S Illinois Ave, Suite 103, Mason City, IA 50401-5489

Other providers in Mason City