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Obstetrician & Gynecologist (OB/GYN)
40 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. Guillermo Callo:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Guillermo Callo is Excellent. Dr. Callo has been reviewed by 2 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 3.7
Courteous Staff 2.3
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0

Specialties & Research

Dr. Guillermo Callo, MD is board certified in Obstetrics & Gynecology.

  • He has special expertise in 2 areas:
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Callo graduated from Universidad Nacional Mayor De San Marcos, Lima.


Dr. Callo has 2 hospital affiliations:

  • Midland Memorial Hospital 
  • Midland Memorial Hospital – West Campus 


  • Spanish

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Additional Information
Dr. Guillermo Antonio Callo MD is a male Obstetrician & Gynecologist, has 40 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Guillermo A. Callo practice?
Dr. Guillermo Callo has 1 office location.
Dr. Guillermo Callo practices Obstetrics & Gynecology near Midland, TX.
See Midland Obstetricians & Gynecologists.