NPPES file of Aug 9, 2026

Katherine E. Ruff, DNP, ARNP, FNP-BC

Family Nurse Practitioner · Maquoketa, IA

Katherine E. Ruff, DNP, ARNP, FNP-BC is a family nurse practitioner with a practice address in Maquoketa, Iowa, and NPI 1225699820, issued on Jun 25, 2019. Check the license (Iowa A155110, 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
1225699820
Name
Katherine E. Ruff
Credential
DNP, ARNP, FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
A155110 IA
Self-reported in NPPES; status is on the state search
Practice location
918 W Platt St, Maquoketa, IA 52060
Phone
(563) 652-5145
Enumerated
Jun 25, 2019
Record last updated
May 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190816002541); 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 918 W Platt St

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

  1. Rhonda Anderson, R.PH.Pharmacist1457403529
  2. Connie Connolly, RPHPharmacist1316046543
  3. Jody Livesay, ARNPFamily Nurse Practitioner1891746988
  4. Angela Spannagel, PHARMDPharmacist1811218761
  5. Tricia Steines, ARNPFamily Nurse Practitioner1568802163
  6. Catherine Swing, PHARMDPharmacist1356574974

Verify Katherine E. Ruff 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 A155110
    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
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2.4 times the Medicare Part D claims of the average family nurse practitioner in 2024

3,145 Medicare Part D claims for 428 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 43 claims were for opioids.

  1. Katherine Ruff3,145
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium140 claims
  2. Lisinopril113 claims
  3. Amlodipine Besylate112 claims
  4. Prednisone103 claims
  5. Meloxicam101 claims
  6. Omeprazole95 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.

Industry payments in 2024: $278.15

13 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Ruff$278.15
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Medical Associates OF Maquoketa PCWyoming, IA

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

6 family nurse practitioner records list a practice address in Maquoketa

They are 6 of the 108 NPPES records with a practice address in Maquoketa, and 1,971 family nurse practitioner records in Iowa.

Other family nurse practitioner records in Iowa

  1. Lynne AbbottCedar Rapids, IA1699357277
  2. Amina AbdullahCedar Rapids, IA1598420747
  3. Brandon Abel, DNPIowa City, IA1043160674
  4. Andrea AchenbachIowa City, IA1881975910
  5. Rachel Ackerman, NPSheldon, IA1275124372
  6. Tonia Ackerman, ARNPPleasant Hill, IA1932142692
  7. Rachel Adams, NPDes Moines, IA1013662485
  8. Abdullahi Ahmed, AGPCNPDes Moines, IA1336924836
  9. Caitlyn Al-Ostaz, DNP FNP-CIowa City, IA1457188740
  10. Alaa Al-Talla, ARNPWaverly, IA1396592291

Common questions

What is Katherine E. Ruff, DNP, ARNP, FNP-BC's NPI number?

Katherine E. Ruff, DNP, ARNP, FNP-BC's National Provider Identifier (NPI) is 1225699820, issued on Jun 25, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katherine E. Ruff, DNP, ARNP, FNP-BC located?

The NPPES record lists a practice address at 918 W Platt St, Maquoketa, IA, 52060. Phone: (563) 652-5145. Providers update this record themselves, so call before visiting.

How can I verify Katherine E. Ruff, DNP, ARNP, FNP-BC's license?

NPPES lists Iowa license number A155110, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine E. Ruff, DNP, ARNP, FNP-BC prescribe under Medicare Part D?

In 2024, Katherine E. Ruff, DNP, ARNP, FNP-BC had 3,145 Medicare Part D claims for 428 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.