Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Crystal Cassidy:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Have you visited Dr. Cassidy? Share your experience.
Write a Review

Specialties & Research

Dr. Crystal Cassidy, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Cassidy graduated from The University of Texas at Houston.


Dr. Cassidy has 4 hospital affiliations:

  • Mhhs Hermann Hospital 
  • Memorial Herman Memorial City 

Similar doctors nearby

Dr. Peter Evans

Emergency Medicine
21 years experience
Houston, TX

Dr. Robert Murphy

Emergency Medicine
21 years experience
Houston, TX

Dr. David Hsu

Emergency Medicine
9 years experience
Houston, TX

Dr. Nika Brusatori

Emergency Medicine
11 years experience
Houston, TX

Dr. Jason Neilsberg

Emergency Medicine
Houston, TX

Dr. Monta Pattison

Emergency Medicine
5 years experience
Houston, TX
Search All Similar Doctors
Additional Information
Dr. Crystal Colleen Cassidy MD is a female Emergency Medicine Specialist, has 14 years of experience and practices in Emergency Medicine.
Where does Dr. Crystal C. Cassidy practice?
Dr. Crystal Cassidy has 3 office locations.
Dr. Crystal Cassidy practices Emergency Medicine near Houston, TX.
See Houston Emergency Physicians.