400 North 17th St. Suite 100-106 Allentown, PA 18104
610-433-0450
3535 High Point Blvd. Suite 800 Bethlehem, PA 18017
610-867-9900
400 North 17th St. Suite 100-106 Allentown, PA 18104
610-433-0450
3535 High Point Blvd. Suite 800 Bethlehem, PA 18017
610-867-9900

Meet Our Team

Alan D. Listhaus, M.D.Alan D. Listhaus, M.D.

Mark S. Trachtman, M.D.Mark S. Trachtman, M.D.

Frank G. Baloh, M.D.Frank G. Baloh, M.D.

Howard J. Kushnick, M.D.Howard J. Kushnick, M.D.

Marnie O'Brien, D.O.Marnie O’Brien, D.O.

Ravi Shah, M.D.Ravi Shah, M.D.

Stuart B. Carter, M.D.Stuart B. Carter, M.D.

Kristine J. Lare-Knappenberger, O.D.Kristine J. Lare-Knappenberger, O.D.

Jennifer Randle, O.D.Jennifer Randle, O.D.

Change Font Size

Meet Our Team

  • Alan D. Listhaus, M.D.
  • Mark S. Trachtman, M.D.
  • Frank G. Baloh, M.D.
  • Howard J. Kushnick, M.D.
  • Marnie O’Brien, D.O.
  • Ravi Shah, M.D.
  • Stuart B. Carter, M.D.
  • Kristine J. Lare-Knappenberger, O.D.
  • Jennifer Randle, O.D.
    • IOL Self Test
    Patient Portal
    Request an Appointment
    Career Opportunities

    Allentown

    400 North 17th St.  Suite 100-106
    Allentown, PA 18104 
    610-433-0450

    Bethlehem

    3535 High Point Blvd. Suite 800
    Bethlehem, PA 18017
    610-867-9900

    All Rights Reserved. Medical website design by Glacial Multimedia © 2017 - 2019
    The material contained on this site is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
    Always seek the advice of your physician or other qualified health care provider.