Browse Health
5 years of experience
Accepting new patients
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 Sierra:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Crystal Sierra is Average. Dr. Sierra has been reviewed by 2 patients who have provided 1 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 3.0
Courteous Staff 3.0
Accurate Diagnosis 3.0
Bedside Manner 3.0
Spends Time with Me 3.0
Follows Up After Visit 3.0

Specialties & Research

Dr. Crystal Sierra, MD is board certified in Pediatrics.

Education & Awards

Dr. Sierra graduated from The University of Texas at Galveston.


Dr. Sierra has 2 hospital affiliations:

  • Clear Lake Regional Medical Center 
  • University of Texas Medical Branch 


  • Spanish

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Additional Information
Dr. Crystal Ann Sierra MD is a female Pediatrician, has 5 years of experience and practices in Pediatrics.
Where does Dr. Crystal A. Sierra practice?
Dr. Crystal Sierra has 3 office locations.
Dr. Crystal Sierra practices Pediatrics near Galveston, TX.
Additional practice locations include: Friendswood, TX and Alvin, TX.
See Galveston Pediatricians.