NPPES file of Aug 9, 2026

Katharine Celia Ruestow

Nurse Practitioner · Coralville, IA

Katharine Celia Ruestow is a nurse practitioner with a practice address in Coralville, Iowa, and NPI 1053076976, issued on Nov 4, 2021. Check the license (Iowa H168542, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053076976
Name
Katharine Celia Ruestow
Primary taxonomy
Nurse Practitioner 363L00000X
License number
H168542 IA
Self-reported in NPPES; status is on the state search
Practice location
105 E 9TH St, Coralville, IA 52241
Phone
(319) 467-2000
Enumerated
Nov 4, 2021
Record last updated
May 7, 2025
Fax
(319) 467-2506
Medicare enrollment
Enrolled (PECOS I20221008000297); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 105 E 9TH St

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

  1. Adam Arendt, D.P.M.Podiatrist1497072987
  2. Elizabeth Berigan, M.D.Internal Medicine Physician1346324399
  3. Vani Bhatt, M.D., FAAPPediatrics Physician1336126143
  4. Allison Boardman, M.D.Obstetrics & Gynecology Physician1700224136
  5. Erin Broege, MCN, RDN, LDRegistered Dietitian1780316810
  6. Annette Buck, RDN, LDRegistered Dietitian1083188239

Verify Katharine Celia Ruestow 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 H168542
    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

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85% fewer Medicare Part D claims than the average nurse practitioner in 2024

162 Medicare Part D claims for 38 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Katharine Ruestow162
  2. Specialty average1,109

Most prescribed

  1. Topiramate65 claims
  2. Metformin Hcl Er44 claims
  3. Ozempic27 claims
  4. Mounjaro13 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.

Bills Medicare through one group practice

  1. State University OF IowaCoralville, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katharine Celia Ruestow among 1,294 nurse practitioner records in Iowa

Katharine Celia Ruestow 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 2021, is newer than 72% of them.

  • NPI issued2021 · 72% of these records are older, 21% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2021 · median 2018 among the 873 with a school on file
  • Record last updated2025 · 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).

12 nurse practitioner records list a practice address in Coralville

They are 12 of the 708 NPPES records with a practice address in Coralville, and 1,294 nurse practitioner records in Iowa.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Alexandra Collins, FNP-CCoralville, IA 522411841068855
  2. Jamie Duffy, ARNPCoralville, IA 522411356981518
  3. Michelle Krantz, DNP, ARNPCoralville, IA 522411912748054
  4. Germaine MbuhCoralville, IA 522411689157927
  5. Rebecca Mischel, DNP ARNP FNP-BCCoralville, IA 522411649897190
  6. Danielle Moore, NP-CCoralville, IA 522411174113864
  7. Meegan Murphy, FNPCoralville, IA 522411841344074
  8. Heidi Powers, ARNPCoralville, IA 522411750706560

Common questions

What is Katharine Celia Ruestow's NPI number?

Katharine Celia Ruestow's National Provider Identifier (NPI) is 1053076976, issued on Nov 4, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Katharine Celia Ruestow located?

The NPPES record lists a practice address at 105 E 9TH St, Coralville, IA, 52241. Phone: (319) 467-2000. Providers update this record themselves, so call before visiting.

How can I verify Katharine Celia Ruestow's license?

NPPES lists Iowa license number H168542, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Katharine Celia Ruestow prescribe under Medicare Part D?

In 2024, Katharine Celia Ruestow had 162 Medicare Part D claims for 38 beneficiaries; 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.