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Dr. Nicholas Callihan, MD

Dr. Nicholas Callihan, MD

Age 33 Emergency Medicine M
(0) 0 reviews


Dr. Nicholas Callihan, MD is a emergency medicine specialist in Houston, TX. He currently practices at Memorial Hermann Greater Heights Hospital and is affiliated with Memorial Hermann Northwest Hospital. He accepts multiple insurance plans.

Insurance Accepted

  • Aetna
  • Ambetter
  • Blue Cross Blue Shield of Texas
  • Cigna
  • First Health (Coventry Health Care)

* Please verify this information when scheduling an appointment.


  1. Practice

    1. 1
      Memorial Hermann Greater Heights Hospital
      1635 North Loop W, Houston, TX 77008 Existing Patients: (713) 867-2000
    2. 2
      909 Frostwood Dr Ste 1.4051, Houston, TX 77024 Existing Patients: (713) 867-2000

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Photo: Dr. Nicholas Callihan, MD
Dr. Nicholas Callihan, MD
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Dr. Callihan's Office & Staff

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Frequently Asked Questions

Dr. Callihan frequently treats Detoxification Evaluation, Burn Injuries, and Collapsed Lung (Pneumothorax).  

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Hospital Affiliations

  • Memorial Hermann Northwest Hospital