NPPES file of Aug 9, 2026

Susan Gierczyk

Psychiatric/Mental Health Nurse Practitioner · Hinsdale, IL

Susan Gierczyk is a psychiatric/mental health nurse practitioner with a practice address in Hinsdale, Illinois, and NPI 1124697719, issued on Jun 18, 2021. Check the license (Illinois 277004403, as entered in NPPES) with the Illinois 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
1124697719
Name
Susan Gierczyk
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
277004403 IL
Self-reported in NPPES; status is on the state search
Practice location
201 E Ogden Ave Ste 116, Hinsdale, IL 60521
Phone
(630) 325-8893
Enumerated
Jun 18, 2021
Record last updated
Aug 19, 2025
Fax
(630) 325-8939
Medicare enrollment
Enrolled (PECOS I20211019001115); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 2017
Telehealth
Offers telehealth (CMS)
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 201 E Ogden Ave Ste 116

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

  1. Dana Donahue, LCSWClinical Social Worker1699146530
  2. Andrea Hohf, LCSWClinical Social Worker1144692633

Verify Susan Gierczyk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 277004403
    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 Illinois license search

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34% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

595 Medicare Part D claims for 76 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Susan Gierczyk595
  2. Specialty average906

Most prescribed

  1. Sertraline Hcl113 claims
  2. Duloxetine Hcl48 claims
  3. Alprazolam37 claims
  4. Quetiapine Fumarate36 claims
  5. Hydroxyzine Hcl28 claims
  6. Clonazepam27 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: $861.83

21 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Susan Gierczyk$861.83
  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.

Bills Medicare through one group practice

  1. Stillpoint Mental Health Associates SCHinsdale, IL

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

Susan Gierczyk among 1,530 psychiatric/mental health nurse practitioner records in Illinois

Susan Gierczyk is one of 1,530 psychiatric/mental health nurse practitioner records with a practice address in Illinois. 68% 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 42% of them.

  • NPI issued2021 · 42% of these records are older, 51% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2017 · median 2021 among the 917 with a school on file
  • Record last updated2025 · 17% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Illinois

There are 1,530 psychiatric/mental health nurse practitioner records in Illinois.

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

  1. Stephanie Bakosh, MSN, ANP-BCHinsdale, IL 605211093156408
  2. Robye Ballard, PMHNP-BCHinsdale, IL 605211528364346
  3. Cari Betts, APNHinsdale, IL 605211578190500
  4. Josephine DarkoHinsdale, IL 605211649938366
  5. Debora Ellis, APRNHinsdale, IL 605211003352196
  6. Carla Grobe-DawHinsdale, IL 605211609698414
  7. Karyn Kudrna, APRNHinsdale, IL 605211699234211
  8. Gina Mathew, NPHinsdale, IL 605211194419168

Common questions

What is Susan Gierczyk's NPI number?

Susan Gierczyk's National Provider Identifier (NPI) is 1124697719, issued on Jun 18, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Susan Gierczyk located?

The NPPES record lists a practice address at 201 E Ogden Ave Ste 116, Hinsdale, IL, 60521. Phone: (630) 325-8893. Providers update this record themselves, so call before visiting.

How can I verify Susan Gierczyk's license?

NPPES lists Illinois license number 277004403, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Susan Gierczyk prescribe under Medicare Part D?

In 2024, Susan Gierczyk had 595 Medicare Part D claims for 76 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.