Bernard J. Vonderhaar, DNP
Psychiatric/Mental Health Nurse Practitioner · Chicago, IL
Bernard J. Vonderhaar, DNP is a psychiatric/mental health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1255803045, issued on Dec 18, 2018. Check the license (Illinois 209.018283, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Bernard J. Vonderhaar
- Credential
- DNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 209.018283 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3240 W Division St, Chicago, IL 60651
- Phone
- (312) 413-7425
- Enumerated
- Dec 18, 2018
- Record last updated
- Dec 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200421003054); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,530 in Illinois → Look up another NPI →
Also registered at 3240 W Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Celina Cantu, LCSWClinical Social Worker1134507247
- Verenice ChavezEmergency Registered Nurse1124797725
- Keisha HouseFamily Nurse Practitioner1619400074
- Michael Huyck, RNFamily Nurse Practitioner1316595747
- Mitchell KordzikowskiPsychiatric/Mental Health Nurse Practitioner1467123059
- Kelly Moore, RN, DNP STUDENTAmbulatory Care Registered Nurse1114516812
Verify Bernard J. Vonderhaar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.018283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
827 Medicare Part D claims for 53 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Trazodone Hcl66 claims
- Quetiapine Fumarate56 claims
- Duloxetine Hcl51 claims
- Sertraline Hcl50 claims
- Haloperidol48 claims
- Risperidone45 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.
Bills Medicare through one group practice
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bernard J. Vonderhaar among 1,530 psychiatric/mental health nurse practitioner records in Illinois
Bernard J. Vonderhaar, DNP 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 2018, is newer than 27% of them.
- NPI issued2018 · 27% of these records are older, 69% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2021 among the 917 with a school on file
- Record last updated2018 · 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.
All 1,530 in Illinois → Every provider in Chicago → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Mitchell KordzikowskiChicago, IL 606511467123059
- Sarah Schrock, APRNChicago, IL 606511689232522
- Jennie Zavaleta, PMHNPChicago, IL 606511306690706
- Melanie ZhangChicago, IL 606511053118745
- Omonzua Eromosele, PMHNPChicago, IL 606521235854233
- Serena Jefferson-JacksonChicago, IL 606521972459352
- Joetta LittleChicago, IL 606521801605514
- Danielle MasonChicago, IL 606491164222535
Common questions
What is Bernard J. Vonderhaar, DNP's NPI number?
Bernard J. Vonderhaar, DNP's National Provider Identifier (NPI) is 1255803045, issued on Dec 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Bernard J. Vonderhaar, DNP located?
The NPPES record lists a practice address at 3240 W Division St, Chicago, IL, 60651. Phone: (312) 413-7425. Providers update this record themselves, so call before visiting.
How can I verify Bernard J. Vonderhaar, DNP's license?
NPPES lists Illinois license number 209.018283, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Bernard J. Vonderhaar, DNP prescribe under Medicare Part D?
In 2024, Bernard J. Vonderhaar, DNP had 827 Medicare Part D claims for 53 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.