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

Jean L Westendorf, ARNP

Individual provider Nurse Practitioner · NPI 1083609929

Jean L Westendorf, ARNP is a Nurse Practitioner in Mason City, Iowa. Qualified in 1973, 53 years ago. Practices with North Iowa Mercy Clinics, a 300-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
53
Licensed in
IA
In the registry since
2005
Specialties on file
2
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

621 S Illinois Ave Ste 100
Mason City, IA 50401
Phone: (641) 428-6900
Fax: (641) 428-6909
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 039850 (IA)
Nurse Practitioner Taxonomy 363L00000X · Licence C039850 (IA)

Record details

NPI number1083609929
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedSeptember 16, 2005
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 1973 (53 years in practice)
Group practice North Iowa Mercy Clinics — 300 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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