Skip to Content

Thomas E. Klein

Thomas E. Klein, M.D.




  • Allergy and Immunology

Hospital Admission Privileges

  • Delaware County Memorial Hospital



Long Island Jewish Hillside Medical Center, New York


St. Christopher's Hospital, Philadelphia


Albany Medical College

Teaching or Professional Positions

Chief of Allergy and Immunology, Delaware County Memorial Hospital and Riddle Memorial Hospital

Honors, Awards, etc.

"Top Doctor" in Asthma and Allergy, Main Line Today (2013)

Top Allergist and Immunologist awarded by HealthTap

Age Groups

All ages

Area of Special Interest

Asthma; Hay Fever; Hives; Drug Allergy


Board Certified

Allergy and Clinical Immunology

Disease Condition Syndrome

Food Allergy; Chronic Coughs; Bee Sting Allergy

Personal Info

  • Author of Chapters in Medical Textbooks
  • Guest Lecturer at Hospital Grand Rounds

Philosophy Of Care

We are dedicated to providing high quality, compassionate and affordable healthcare. Our goal is to help patients fully participate in daily activities at work, school or sports with out allergies or asthma getting in the way.


Skin Tests; Breathing Tests

Office Information

Doctor's Contact Information

  • Office Phone: 610-789-1313
  • Alternate Phone: 610-566-2126
  • Fax: 610-789-0655

Office Hours

Monday: 9 a.m. to 12 p.m., 1-6 p.m.
Tuesday and Wednesday: 8:30 a.m. to 12 p.m.,  1-6 p.m.
Thursday 9 a.m. to 12 p.m., 1-7:30 p.m.
Friday 8:30 a.m. to 12 p.m., 1-5:30 p.m.

After Hours: 24/7 answering service with live operator (610-789-1313)

Patient Communications

  • Get-acquainted office visit
  • Pre-visit reminder calls
  • Return calls within time limits


  • Klein Allergy Havertown
    400 W. Township Line Rd.
    Havertown, Pennsylvania 19083
    • Main: 610-789-1313
    • Fax: 610-789-0655
  • Klein Allergy Media
    1088 W. Baltimore Pike
    Health Care Center II, Suite 2106
    Media, Pennsylvania 19063
    • Main: 610-566-2126
    • Fax: 610-565-0639
  • Klein Allergy Wynnewood
    100 East Lancaster Avenue
    Lankenau Medical Building - Suite 551E
    Wynnewood, Pennsylvania 19096
    • Office: 610-896-5600
    • Fax: 610-789-0655

Patient Portal

Convenient access to Crozer-Keystone Health Network physicians, medical information, and more. Learn More

See Our Locations

Crozer-Chester Medical Center
Springfield Hospital
Taylor Hospital
Delaware County Memorial
Community Hospital