Julie Kathryn Osterhaus, ARNP
Nurse Practitioner · Iowa City, IA
Julie Kathryn Osterhaus, ARNP is a nurse practitioner with a practice address in Iowa City, Iowa, and NPI 1235124942, issued on Sep 19, 2005. Check the license (Iowa C072124, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julie Kathryn Osterhaus
- Credential
- ARNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- C072124 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-0479
- Enumerated
- Sep 19, 2005
- Record last updated
- Dec 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (319) 356-8170
- Medicaid ID
- 0420604 IA
- Medicare enrollment
- Enrolled (PECOS I20070919000818); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,294 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Julie Kathryn Osterhaus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license C072124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
120 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.
Most prescribed
- Levothyroxine Sodium49 claims
- Genotropin18 claims
- Ozempic16 claims
- Hydrocortisone12 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.
Julie Kathryn Osterhaus among 1,294 nurse practitioner records in Iowa
Julie Kathryn Osterhaus, ARNP is one of 1,294 nurse practitioner records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1993 · median 2018 among the 873 with a school on file
- Record last updated2007 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
199 nurse practitioner records list a practice address in Iowa City
They are 199 of the 7,163 NPPES records with a practice address in Iowa City, and 1,294 nurse practitioner records in Iowa.
All 1,294 in Iowa → Every provider in Iowa City → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
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- Joni Bosch, PHD ARNPIowa City, IA 522421700871647
- Kathryn Breitbach, ARNPIowa City, IA 522421841285772
- Kristen Brown, ARNPIowa City, IA 522421518952720
- Jo Crowe, ARNPIowa City, IA 522421982699658
- Elizabeth Dowd, ARNPIowa City, IA 522421710972591
- Kathleen Fenoy, ARNPIowa City, IA 522421063405181
Common questions
What is Julie Kathryn Osterhaus, ARNP's NPI number?
Julie Kathryn Osterhaus, ARNP's National Provider Identifier (NPI) is 1235124942, issued on Sep 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Julie Kathryn Osterhaus, ARNP located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-0479. Providers update this record themselves, so call before visiting.
How can I verify Julie Kathryn Osterhaus, ARNP's license?
NPPES lists Iowa license number C072124, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Julie Kathryn Osterhaus, ARNP prescribe under Medicare Part D?
In 2024, Julie Kathryn Osterhaus, ARNP had 120 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.