Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Heather J Ohnemus, ARNP
Nurse Practitioner in De Witt, IA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851673933
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Registry record
Entity type Individual (Type 1)
Name Heather J Ohnemus
Credential ARNP
Sex Female
Practice address 1008 11th St, De Witt, IA, 52742
Phone (563) 659-9137
Fax (563) 659-9869
Enumeration date Sep 14, 2011
Last updated in NPPES Apr 30, 2021
Taxonomy & licenses
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209009064 (IL) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License H121913 (IA) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Heather Ohnemus practice?
The practice location on file with NPPES is in De Witt, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Heather Ohnemus?
The National Provider Identifier (NPI) for Heather Ohnemus is 1851673933, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Steven Hanas Family Medicine Physician · De Witt, IA NPI 1265437883 Rose Warhank Family Medicine Physician · De Witt, IA NPI 1275502288 Candace Shanks Family Medicine Physician · De Witt, IA NPI 1710956727 Jennifer Bell Family Medicine Physician · De Witt, IA NPI 1225079817 Genesis Health System Family Medicine Physician · De Witt, IA NPI 1700992955 Amanda Kenney Family Nurse Practitioner · De Witt, IA NPI 1407501513 Genesis Health System Rural Health Clinic/Center · De Witt, IA NPI 1205533056 Allison Edmunds Family Medicine Physician · De Witt, IA NPI 1518647932
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-30.