NPPES file of Aug 9, 2026

Marcy J. Johnson, ARNP

Family Nurse Practitioner · Waterloo, IA

Marcy J. Johnson, ARNP is a family nurse practitioner with a practice address in Waterloo, Iowa, and NPI 1992383111, issued on Mar 30, 2021. Check the license (Iowa A161797, 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
1992383111
Name
Marcy J. Johnson
Credential
ARNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
A161797 IA
Self-reported in NPPES; status is on the state search
Practice location
152 W Dale St, Waterloo, IA 50703
Phone
(319) 235-3540
Enumerated
Mar 30, 2021
Record last updated
Mar 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210527001858); 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 152 W Dale St

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

  1. Kate Bolick, ARNPNurse Practitioner1841657236
  2. Richard Menning, MDCardiovascular Disease Physician1932152238
  3. Brian O'Shaughnessy, MDNeurology Physician1023021151
  4. Alec Steils, ARNPNurse Practitioner1578132940

Verify Marcy J. Johnson 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 A161797
    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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96% fewer Medicare Part D claims than the average family nurse practitioner in 2024

51 Medicare Part D claims for 21 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Marcy Johnson51
  2. Specialty average1,305

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: $16.79

1 payment: food and beverage; the largest payer was Becton, Dickinson and Company. 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. Marcy Johnson$16.79
  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. Iowa Physicians Clinic Medical FoundationCedar Rapids, IA

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

Marcy J. Johnson among 1,971 family nurse practitioner records in Iowa

Marcy J. Johnson, ARNP 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 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 25% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2020 · median 2018 among the 1,398 with a school on file
  • Record last updated2021 · 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).

66 family nurse practitioner records list a practice address in Waterloo

They are 66 of the 1,512 NPPES records with a practice address in Waterloo, and 1,971 family nurse practitioner records in Iowa.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Carrie Berry, FNPWaterloo, IA 507031831109107
  2. Kathi Bower, ARNPWaterloo, IA 507031487070504
  3. Heather Burgett, ARNP, FNP-CWaterloo, IA 507031881083889
  4. Rhonda Cue, ARNPWaterloo, IA 507031174758239
  5. Nickayla Giesemann, ARNPWaterloo, IA 507031376065318
  6. Emily Grarup, ARNPWaterloo, IA 507031528543311
  7. Emily Horrigan, DNPWaterloo, IA 507031689044224
  8. Lisa Maher, ARNPWaterloo, IA 507031003054305

Common questions

What is Marcy J. Johnson, ARNP's NPI number?

Marcy J. Johnson, ARNP's National Provider Identifier (NPI) is 1992383111, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Marcy J. Johnson, ARNP located?

The NPPES record lists a practice address at 152 W Dale St, Waterloo, IA, 50703. Phone: (319) 235-3540. Providers update this record themselves, so call before visiting.

How can I verify Marcy J. Johnson, ARNP's license?

NPPES lists Iowa license number A161797, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Marcy J. Johnson, ARNP prescribe under Medicare Part D?

In 2024, Marcy J. Johnson, ARNP had 51 Medicare Part D claims for 21 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.