William Mark Regan M.D.

License

Licensed by

Illinois Department of Financial and Professional Regulation

License number

036177893

Status

Active

First issued

November 13, 2025

Expired

August 31, 2026

License holder

William Mark Regan

Entity type

Individual

Classifications

• Licensed Physician and Surgeon (Medical Board) Physicians & Surgeons

More from the license record

Current term began

11/13/2025

Other Illinois licenses under this name

• IL
  William Mark Regan M.D.

  License 33*****80 · William Mark Regan

  Licensed Physician Controlled Substance (Medical Board)
  Active

  Hoffman Estates, IL

  Expired Aug 31, 2026

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