David A Janssen

License

Licensed by

Illinois Department of Financial and Professional Regulation

License number

33*****59

Status

Active

First issued

February 18, 2026

Expires

July 31, 2029

License holder

David A Janssen

Entity type

Individual

Classifications

• Licensed Physician Controlled Substance (Medical Board) Physicians & Surgeons

More from the license record

Specialty

Practitioner

Controlled substance schedules

III IV V

Current term began

07/01/2026

Other Illinois licenses under this name

• IL
  David A Janssen

  License 036176531

  Licensed Physician and Surgeon (Medical Board)
  Active

  Chesterfield, MO

  Expires Jul 31, 2029
• IL
  David A Janssen

  License 476366283

  Licensed Real Estate Salesperson
  Inactive

  Chicago, IL

  Expired Apr 30, 2003

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