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. Douglas Harrison:

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. Harrison? Share your experience.
Write a Review

Specialties & Research

Dr. Douglas Harrison, DO is board certified in Emergency Medicine.

Education & Awards

Dr. Harrison graduated from University of North Texas, Fort Worth.


Dr. Harrison has 2 hospital affiliations:

  • Methodist Willowbrook 
  • Memorial Hospital Southwest 

Similar doctors nearby

Dr. Kristel Poffinbarger

Emergency Medicine
20 years experience
Katy, TX

Dr. Tamara Beckford

Emergency Medicine
5 years experience
Katy, TX

Dr. Habacuc Garcia

Emergency Medicine
11 years experience
Katy, TX

Dr. Amir Zegar

Emergency Medicine
10 years experience
Katy, TX

Dr. Lokanatham Gumidyala

Emergency Medicine
35 years experience
Katy, TX

Dr. David Pelini

Emergency Medicine
32 years experience
Katy, TX
Search All Similar Doctors
Additional Information
Dr. Douglas John Harrison DO is a male Emergency Medicine Specialist, has 19 years of experience and practices in Emergency Medicine.
Where does Dr. Douglas J. Harrison practice?
Dr. Douglas Harrison has 2 office locations.
Dr. Douglas Harrison practices Emergency Medicine near Katy, TX.
Additional practice locations include: Sugar Land, TX.
See Katy Emergency Physicians.