NPPES file of Aug 9, 2026

Doris M. Van Byssum, PSY.D.

Psychiatric/Mental Health Nurse Practitioner · Wheaton, IL

Doris M. Van Byssum, PSY.D. is a psychiatric/mental health nurse practitioner with a practice address in Wheaton, Illinois, and NPI 1063515369, issued on Sep 6, 2006. Check the license (Illinois 209.010527041.189584, 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
1063515369
Name
Doris M. Van Byssum
Credential
PSY.D.
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
209.010527041.189584 IL
071-004744 IL
Self-reported in NPPES; status is on the state search
Practice location
1725 S Naperville RD, Wheaton, IL 60189
Phone
(630) 653-6441
Enumerated
Sep 6, 2006
Record last updated
Mar 14, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(630) 653-8409
Medicare enrollment
Enrolled (PECOS I20160210001934); accepts Medicare assignment
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 1725 S Naperville RD

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

  1. Bailey ArundelBehavior Analyst1821568999
  2. Amy Audette, LCPCProfessional Counselor1679729719
  3. Laura Bauhof, PH.D.Clinical Psychologist1376937508
  4. Claire Creed, M.D.Pediatrics Physician1215391107
  5. Nicole ElliottBehavior Technician1578116315
  6. Christy FieberBehavior Technician1477061992

Verify Doris M. Van Byssum 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 209.010527041.189584
    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

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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26% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

1,141 Medicare Part D claims for 98 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Doris Van Byssum1,141
  2. Specialty average906

Most prescribed

  1. Clonazepam123 claims
  2. Alprazolam91 claims
  3. Lorazepam76 claims
  4. Bupropion Xl65 claims
  5. Sertraline Hcl53 claims
  6. Desvenlafaxine Succinate Er52 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: $5,613.86

38 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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. Doris Van Byssum$5,613.86
  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. Genesis Clinical ServicesWheaton, IL

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

Doris M. Van Byssum among 1,530 psychiatric/mental health nurse practitioner records in Illinois

Doris M. Van Byssum, PSY.D. 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 97% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1982 · median 2021 among the 917 with a school on file
  • Record last updated2017 · 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. Sharon Beck, PMHNPWheaton, IL 601891821161886
  2. Rana Clarizio, PMNNP. CDCES .APRNWheaton, IL 601891710756762
  3. Maryellen Fleming-Price, APNWheaton, IL 601891114383213
  4. Wafa HusainWheaton, IL 601891841052511
  5. Shannon Lauf, PMHNP-BCWheaton, IL 601891194455253
  6. Arvin Lu, PMHNPWheaton, IL 601891962373845
  7. Maureen Raiz, APNWheaton, IL 601891306559604
  8. Mya Shaikh, PMHNP-BCWheaton, IL 601891902695208

Common questions

What is Doris M. Van Byssum, PSY.D.'s NPI number?

Doris M. Van Byssum, PSY.D.'s National Provider Identifier (NPI) is 1063515369, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Doris M. Van Byssum, PSY.D. located?

The NPPES record lists a practice address at 1725 S Naperville RD, Wheaton, IL, 60189. Phone: (630) 653-6441. Providers update this record themselves, so call before visiting.

How can I verify Doris M. Van Byssum, PSY.D.'s license?

NPPES lists Illinois license number 209.010527041.189584, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Doris M. Van Byssum, PSY.D. prescribe under Medicare Part D?

In 2024, Doris M. Van Byssum, PSY.D. had 1,141 Medicare Part D claims for 98 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.