Registry data as of Aug 27, 2026

Heather Ohnemus, ARNP

Adult Health Nurse Practitioner · De Witt, IA

Heather Ohnemus, ARNP is an adult health nurse practitioner with a practice address in De Witt, Iowa, and NPI 1851673933, issued on Sep 14, 2011. Check the license (Iowa H121913, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1851673933
Name
Heather Ohnemus
Credential
ARNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
H121913 IA
209009064 IL
Self-reported in NPPES; status is on the state search
Practice location
1008 11TH St, De Witt, IA 52742
Phone
(563) 659-9137
Enumerated
Sep 14, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1008 11TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Bell, M.D.Family Medicine Physician1225079817
  2. Allison Edmunds, DNPFamily Medicine Physician1518647932
  3. Steven Hanas, MDFamily Medicine Physician1265437883
  4. Amanda Kenney, MSN, FNP-C, ARNPFamily Nurse Practitioner1407501513
  5. Candace Shanks, MDFamily Medicine Physician1710956727
  6. Rose Warhank, MDFamily Medicine Physician1275502288

Verify Heather Ohnemus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license H121913
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

3.0 times the Medicare Part D claims of the average adult health nurse practitioner in 2024

3,909 Medicare Part D claims for 544 beneficiaries, against an average of 1,291 among the 16,003 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 135 claims were for opioids.

  1. Heather Ohnemus3,909
  2. Specialty average1,291

Most prescribed

  1. Atorvastatin Calcium262 claims
  2. Amlodipine Besylate183 claims
  3. Metoprolol Succinate163 claims
  4. Lisinopril155 claims
  5. Duloxetine Hcl121 claims
  6. Levothyroxine Sodium116 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

2 hospital and facility affiliations

  1. Genesis Health SystemDe Witt, IA
  2. Progressive Rehabilitation Associates LLCIowa City, IA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1 adult health nurse practitioner records list a De Witt practice address

They are 1 of the 69 NPPES records with a De Witt practice address, and 134 adult health nurse practitioner records in Iowa.

Other adult health nurse practitioner records in Iowa

  1. Christina Aguilar, ARNPDes Moines, IA1942768023
  2. Sylvia Anspach, ARNPCedar Rapids, IA1417931478
  3. Vickie Arkema, ARNPKnoxville, IA1144231903
  4. Ann Aschoff, ARNPIowa City, IA1578632154
  5. Amy Bader Takes, ARNPIowa City, IA1457994360
  6. Jessica Baer Karnell, WHNP, AGPCNPIowa City, IA1326416322
  7. Laura Baker, ARNPWest Des Moines, IA1386620284
  8. Aliza Barkdoll, ARNPIowa City, IA1841800091
  9. Melissa Batt, ARNPDes Moines, IA1013311778
  10. Jennifer Becker, ARNPIowa City, IA1679977482

Common questions

What is Heather Ohnemus, ARNP's NPI number?

Heather Ohnemus, ARNP's National Provider Identifier (NPI) is 1851673933, issued on Sep 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Heather Ohnemus, ARNP located?

The NPPES record lists a practice address at 1008 11TH St, De Witt, IA, 52742. Phone: (563) 659-9137. Providers update this record themselves, so call before visiting.

How can I verify Heather Ohnemus, ARNP's license?

NPPES lists Iowa license number H121913, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Heather Ohnemus, ARNP prescribe under Medicare Part D?

In 2024, Heather Ohnemus, ARNP had 3,909 Medicare Part D claims for 544 beneficiaries; the average among adult health nurse practitioner prescribers was 1,291. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.