NPPES file of Aug 9, 2026

Joann M. Ermer-Seltun, ARNP

Nurse Practitioner · Mason City, IA

Joann M. Ermer-Seltun, ARNP is a nurse practitioner with a practice address in Mason City, Iowa, and NPI 1801998570, issued on Sep 2, 2006. Check the license (Iowa 072091, 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
1801998570
Name
Joann M. Ermer-Seltun
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
072091 IA
Self-reported in NPPES; status is on the state search
Practice location
1000 4TH St SW, Mason City, IA 50401
Phone
(641) 428-8001
Enumerated
Sep 2, 2006
Record last updated
Jul 9, 2025
Fax
(641) 428-6160
Medicaid ID
0428862 IA
Medicare enrollment
Enrolled (PECOS I20040525000439); 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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Also registered at 1000 4TH St SW

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

  1. Mohamed Abdi, MDRadiation Oncology Physician1982162608
  2. Luna Acharya, MDHospitalist Physician1609224674
  3. Jenna AdamsMental Health Counselor1407790710
  4. Sheela Ahari, MDAnesthesiology Physician1518910462
  5. Tauseef Akhtar, MDCardiovascular Disease Physician1508218009
  6. Emad Alamouti-Fard, MDFamily Medicine Physician1811821499

Verify Joann M. Ermer-Seltun 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 072091
    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

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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65% fewer Medicare Part D claims than the average nurse practitioner in 2024

390 Medicare Part D claims for 92 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.

  1. Joann Ermer-Seltun390
  2. Specialty average1,109

Most prescribed

  1. Myrbetriq158 claims
  2. Solifenacin Succinate94 claims
  3. Estradiol70 claims
  4. Fesoterodine Fumarate Er11 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: $238.42

8 payments; by number, the most common kind was food and beverage; the largest payer was ConvaTec Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joann Ermer-Seltun$238.42
  2. Specialty average$791.64

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. North Iowa Mercy ClinicsMason City, IA

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

Joann M. Ermer-Seltun among 1,294 nurse practitioner records in Iowa

Joann M. Ermer-Seltun, 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 77% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1999 · 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).

28 nurse practitioner records list a practice address in Mason City

They are 28 of the 866 NPPES records with a practice address in Mason City, and 1,294 nurse practitioner records in Iowa.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Marie Cole, ARNPMason City, IA 504011487761490
  2. Rhonda Cooper, ARNPMason City, IA 504011558463539
  3. Lila Courtney, ARNPMason City, IA 504011225143043
  4. Sharon Enabnit, ARNPMason City, IA 504011912015181
  5. Mitzi Garrison, FNPMason City, IA 504011730150749
  6. Debra Groath, ARNPMason City, IA 504011265534937
  7. Linda Schluter, ARNPMason City, IA 504011265540330
  8. Kari Swisher, ARNPMason City, IA 504011326010224

Common questions

What is Joann M. Ermer-Seltun, ARNP's NPI number?

Joann M. Ermer-Seltun, ARNP's National Provider Identifier (NPI) is 1801998570, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joann M. Ermer-Seltun, ARNP located?

The NPPES record lists a practice address at 1000 4TH St SW, Mason City, IA, 50401. Phone: (641) 428-8001. Providers update this record themselves, so call before visiting.

How can I verify Joann M. Ermer-Seltun, ARNP's license?

NPPES lists Iowa license number 072091, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Joann M. Ermer-Seltun, ARNP prescribe under Medicare Part D?

In 2024, Joann M. Ermer-Seltun, ARNP had 390 Medicare Part D claims for 92 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.