NPPES file of Aug 9, 2026

Gretchen Marea Wenger, DNP, FNP-C

Family Nurse Practitioner · Dubuque, IA

Gretchen Marea Wenger, DNP, FNP-C is a family nurse practitioner with a practice address in Dubuque, Iowa, and NPI 1811419815, issued on Jul 11, 2017. Check the license (Iowa A123615, 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
1811419815
Name
Gretchen Marea Wenger
Credential
DNP, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
A123615 IA
Self-reported in NPPES; status is on the state search
Practice location
1515 Delhi St, Dubuque, IA 52001
Phone
(563) 557-9111
Enumerated
Jul 11, 2017
Record last updated
Jul 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(563) 589-4063
Medicare enrollment
Enrolled (PECOS I20170821000660); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2017
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 1515 Delhi St

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

  1. Rebekah Bond, M.D.Hospitalist Physician1588633002
  2. Zhengjin Cao, M.D.Internal Medicine Physician1861616039
  3. Richard Fairley, M.D.Internal Medicine Physician1801862552
  4. Krishnarao Gorrepati, MDGastroenterology Physician1588624811
  5. Angela Hubanks, PA-CMedical Physician Assistant1356538300
  6. Ronald Iverson, M.D.Endocrinology, Diabetes & Metabolism Physician1265407589

Verify Gretchen Marea Wenger 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 A123615
    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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57% more Medicare Part D claims than the average family nurse practitioner in 2024

2,049 Medicare Part D claims for 280 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Gretchen Wenger2,049
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium129 claims
  2. Gabapentin81 claims
  3. Lisinopril69 claims
  4. Levothyroxine Sodium65 claims
  5. Furosemide57 claims
  6. Omeprazole57 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: $175.52

3 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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. Gretchen Wenger$175.52
  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. Eastern Iowa Health CenterCedar Rapids, IA

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

Gretchen Marea Wenger among 1,971 family nurse practitioner records in Iowa

Gretchen Marea Wenger, DNP, FNP-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 2017, is newer than 42% of them.

  • NPI issued2017 · 42% of these records are older, 53% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2017 · median 2018 among the 1,398 with a school on file
  • Record last updated2017 · 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).

65 family nurse practitioner records list a practice address in Dubuque

They are 65 of the 1,468 NPPES records with a practice address in Dubuque, and 1,971 family nurse practitioner records in Iowa.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jennifer Burds, ARNPDubuque, IA 520011639433030
  2. Cynthia Croyle, FNPDubuque, IA 520011184942104
  3. Connie Kramer, ARNPDubuque, IA 520011982804910
  4. Janet Laban, ARNPDubuque, IA 520011154604643
  5. Michelle Lynch, ARNPDubuque, IA 520011548519689
  6. Debra McGinnis, ARNPDubuque, IA 520011346298908
  7. Deana O'Gorman, FNP-BCDubuque, IA 520011962668228
  8. Diane Oglesby, ARNPDubuque, IA 520011053628644

Common questions

What is Gretchen Marea Wenger, DNP, FNP-C's NPI number?

Gretchen Marea Wenger, DNP, FNP-C's National Provider Identifier (NPI) is 1811419815, issued on Jul 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Gretchen Marea Wenger, DNP, FNP-C located?

The NPPES record lists a practice address at 1515 Delhi St, Dubuque, IA, 52001. Phone: (563) 557-9111. Providers update this record themselves, so call before visiting.

How can I verify Gretchen Marea Wenger, DNP, FNP-C's license?

NPPES lists Iowa license number A123615, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Gretchen Marea Wenger, DNP, FNP-C prescribe under Medicare Part D?

In 2024, Gretchen Marea Wenger, DNP, FNP-C had 2,049 Medicare Part D claims for 280 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.