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

Heather J Ohnemus, ARNP

Individual provider Adult Health Nurse Practitioner · NPI 1851673933

Heather J Ohnemus, ARNP is a Nurse Practitioner in De Witt, Iowa. Qualified in 2011, 15 years ago. Practices with Genesis Health System, a 220-clinician group and accepts Medicare assignment. Licensed in Iowa and Illinois.

Years since qualifying
15
Licensed in
IA, IL
In the registry since
2011
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

1008 11th St
De Witt, IA 52742-1210
Phone: (563) 659-9137
Fax: (563) 659-9869
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence H121913 (IA)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence 209009064 (IL)

Record details

NPI number1851673933
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedSeptember 14, 2011
Last updated in NPPESApril 30, 2021
Certification dateApril 28, 2021
Mailing address1008 11th St, De Witt, IA 52742-1210

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Genesis Health System — 220 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare