NPPES file of Aug 9, 2026

Karen E. Pennings, CNP

Family Nurse Practitioner · Estherville, IA

Karen E. Pennings, CNP is a family nurse practitioner with a practice address in Estherville, Iowa, and NPI 1588660203, issued on Jun 27, 2005. Check the license (Iowa A065986, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588660203
Name
Karen E. Pennings
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
A065986 IA
Self-reported in NPPES; status is on the state search
Practice location
926 N 8TH St, Estherville, IA 51334
Phone
(712) 362-6501
Enumerated
Jun 27, 2005
Record last updated
Jan 5, 2024
Fax
(712) 362-7190
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 926 N 8TH St

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

  1. Anthony Cook, M.D.Family Medicine Physician1083873756
  2. James Creech, M.D.Family Medicine Physician1336190685
  3. Madhan Prabhakaran, MDFamily Medicine Physician1497043251
  4. Keith Probst, M.D.Family Medicine Physician1316998446
  5. Denver Splinter, CNPNurse Practitioner1558075747
  6. Douglas Stangl, M.D.Family Medicine Physician1811948151

Verify Karen E. Pennings 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 A065986
    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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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% more Medicare Part D claims than the average family nurse practitioner in 2024

1,936 Medicare Part D claims for 167 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 24 claims were for opioids.

  1. Karen Pennings1,936
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium129 claims
  2. Losartan Potassium93 claims
  3. Levothyroxine Sodium75 claims
  4. Furosemide63 claims
  5. Omeprazole61 claims
  6. Lisinopril60 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.

The MIPS final score for 2023 (Medicare payment program): 94 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.2
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Karen E. Pennings among 1,971 family nurse practitioner records in Iowa

Karen E. Pennings, CNP is one of 1,971 family nurse practitioner records with a practice address in Iowa. 84% 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, 98% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 71% of these records are
  • Record last updated2024 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 family nurse practitioner records list a practice address in Estherville

They are 2 of the 61 NPPES records with a practice address in Estherville, and 1,971 family nurse practitioner records in Iowa.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sarah Walker-Loring, ARNPEstherville, IA 513341699130807
  2. Elizabeth Stokke, FNP-CLake Park, IA 513471295459394
  3. Marsha Haar, FNP-CSpirit Lake, IA 513601871974717
  4. William Knoer, ARNPSpirit Lake, IA 513601033731187
  5. Jessica Reinking, ARNPSpirit Lake, IA 513601346891926
  6. Kelsey SchmidtSpirit Lake, IA 513601366286015
  7. Nicole Stall, NP-CSpirit Lake, IA 513601346572518
  8. Ami Swanson, FNP-CSpirit Lake, IA 513601063137529

Common questions

What is Karen E. Pennings, CNP's NPI number?

Karen E. Pennings, CNP's National Provider Identifier (NPI) is 1588660203, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Karen E. Pennings, CNP located?

The NPPES record lists a practice address at 926 N 8TH St, Estherville, IA, 51334. Phone: (712) 362-6501. Providers update this record themselves, so call before visiting.

How can I verify Karen E. Pennings, CNP's license?

NPPES lists Iowa license number A065986, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Karen E. Pennings, CNP prescribe under Medicare Part D?

In 2024, Karen E. Pennings, CNP had 1,936 Medicare Part D claims for 167 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Karen E. Pennings, CNP's MIPS final score?

The 2023 MIPS final score is 94 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.