NPPES file of Aug 9, 2026

Aletha Kay Erpenbach, NP-C

Family Nurse Practitioner · Larchwood, IA

Aletha Kay Erpenbach, NP-C is a family nurse practitioner with a practice address in Larchwood, Iowa, and NPI 1811223639, issued on Oct 29, 2009. Check the license (Iowa A137379, 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
1811223639
Name
Aletha Kay Erpenbach
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
A137379 IA
CP000579 SD
Self-reported in NPPES; status is on the state search
Practice location
916 Holder St, Larchwood, IA 51241
Phone
(712) 477-2185
Enumerated
Oct 29, 2009
Record last updated
Apr 18, 2022
Fax
(712) 477-2186
Medicare enrollment
Enrolled (PECOS I20140723000682); accepts Medicare assignment
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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Verify Aletha Kay Erpenbach 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 A137379
    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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2.5 times the Medicare Part D claims of the average family nurse practitioner in 2024

3,253 Medicare Part D claims for 203 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 50 claims were for opioids.

  1. Aletha Erpenbach3,253
  2. Specialty average1,305

Most prescribed

  1. Levothyroxine Sodium194 claims
  2. Amlodipine Besylate137 claims
  3. Lisinopril127 claims
  4. Losartan Potassium108 claims
  5. Rosuvastatin Calcium104 claims
  6. Pantoprazole Sodium101 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: $27.84

1 payment: food and beverage; the largest payer was Abbvie 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. Aletha Erpenbach$27.84
  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. Avera MckennanLarchwood, IA

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

Aletha Kay Erpenbach among 1,971 family nurse practitioner records in Iowa

Aletha Kay Erpenbach, NP-C 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 2009, is newer than 13% of them.

  • NPI issued2009 · 13% of these records are older, 86% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2009 · median 2018 among the 1,398 with a school on file
  • Record last updated2022 · 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).

Family Nurse Practitioner providers in Iowa

There are 1,971 family nurse practitioner records in Iowa.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Denise Roemen-Kramer, APRNLarchwood, IA 512411275981110
  2. Helen Golden, APRNHull, IA 512391285874198
  3. Bridget HartwigPrimghar, IA 512451235859224
  4. Patrick Kent, ARNPPrimghar, IA 512451528669660
  5. Daulton Keiser, FNP-CRock Rapids, IA 512461427844232
  6. Kimberly Metzger, ARNPRock Rapids, IA 512461265993943
  7. Mary Brown, FNP-CRock Valley, IA 512471811482318
  8. Karissa GettingRock Valley, IA 512471588034508

Common questions

What is Aletha Kay Erpenbach, NP-C's NPI number?

Aletha Kay Erpenbach, NP-C's National Provider Identifier (NPI) is 1811223639, issued on Oct 29, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Aletha Kay Erpenbach, NP-C located?

The NPPES record lists a practice address at 916 Holder St, Larchwood, IA, 51241. Phone: (712) 477-2185. Providers update this record themselves, so call before visiting.

How can I verify Aletha Kay Erpenbach, NP-C's license?

NPPES lists Iowa license number A137379, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Aletha Kay Erpenbach, NP-C prescribe under Medicare Part D?

In 2024, Aletha Kay Erpenbach, NP-C had 3,253 Medicare Part D claims for 203 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.