NPPES file of Aug 9, 2026

Cynthia Jean Johnson, ARNP

Psychiatric/Mental Health Nurse Practitioner · Sioux City, IA

Cynthia Jean Johnson, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Sioux City, Iowa, and NPI 1023555638, issued on Jan 22, 2017. Check the license (Iowa G075234, 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
1023555638
Name
Cynthia Jean Johnson
Credential
ARNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
G075234 IA
113003 NE
Self-reported in NPPES; status is on the state search
Practice location
1021 Nebraska St, Sioux City, IA 51105
Phone
(712) 252-2477
Enumerated
Jan 22, 2017
Record last updated
Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(712) 252-5920
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 1021 Nebraska St

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

  1. Roha AberaPrimary Care Nurse Practitioner1841928991
  2. Elena AlonsoPharmacist1033954623
  3. Shelly Backhaus, LISWClinical Social Worker1659607083
  4. Anthony Baird, DDSGeneral Practice Dentistry1962397893
  5. Marcelina Cockburn, CADCAddiction (Substance Use Disorder) Counselor1427419449
  6. Molly Earleywine, PAPhysician Assistant1912991183

Verify Cynthia Jean 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 G075234
    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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91% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

1,731 Medicare Part D claims for 62 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Cynthia Johnson1,731
  2. Specialty average906

Most prescribed

  1. Quetiapine Fumarate156 claims
  2. Lamotrigine82 claims
  3. Vraylar70 claims
  4. Clonazepam64 claims
  5. Zolpidem Tartrate64 claims
  6. Aripiprazole62 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: $125.08

8 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cynthia Johnson$125.08
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Cynthia Jean Johnson among 612 psychiatric/mental health nurse practitioner records in Iowa

Cynthia Jean Johnson, ARNP is one of 612 psychiatric/mental health 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 2017, is newer than 34% of them.

  • NPI issued2017 · 34% of these records are older, 64% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2021 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 psychiatric/mental health nurse practitioner records list a practice address in Sioux City

They are 19 of the 1,486 NPPES records with a practice address in Sioux City, and 612 psychiatric/mental health nurse practitioner records in Iowa.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Laura Meyer, ARNP, PMHNPSioux City, IA 511051154001402
  2. Catherine Grimsley, MSN PMHNP-BCSioux City, IA 511041609543933
  3. Erin Hodgson, DNP, ARNPSioux City, IA 511061013516566
  4. Dina Irwin, PMHNPSioux City, IA 511061033890918
  5. Kelsey Bauer, PMHNPSioux City, IA 511031114681889
  6. Monsurat AdelekeSioux City, IA 511011669308433
  7. Ashley Anderson, PMHNP-BCSioux City, IA 511011881499242
  8. Brenda Cain, PMHNP-BCSioux City, IA 511011104498039

Common questions

What is Cynthia Jean Johnson, ARNP's NPI number?

Cynthia Jean Johnson, ARNP's National Provider Identifier (NPI) is 1023555638, issued on Jan 22, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Jean Johnson, ARNP located?

The NPPES record lists a practice address at 1021 Nebraska St, Sioux City, IA, 51105. Phone: (712) 252-2477. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Jean Johnson, ARNP's license?

NPPES lists Iowa license number G075234, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Cynthia Jean Johnson, ARNP prescribe under Medicare Part D?

In 2024, Cynthia Jean Johnson, ARNP had 1,731 Medicare Part D claims for 62 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.