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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).

Patient Reviews

Patient comments (16)

The overall average patient rating of Dr. Geoffrey Zimmerman is Excellent. Dr. Zimmerman has been reviewed by 47 patients who have provided 16 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.4
Courteous Staff 4.4
Accurate Diagnosis 4.4
Bedside Manner 4.5
Spends Time with Me 4.4
Follows Up After Visit 4.2

Specialties & Research

Dr. Geoffrey Zimmerman, MD is board certified in Obstetrics & Gynecology.

  • He has special expertise in 7 areas:
  • Amenorrhea
  • Endometriosis
  • Hormone Replacement Therapy (HRT)
  • Hot Flashes
  • Hysteroscopic Surgery
  • Menopause
  • Uterine Cervical Dysplasia

Education & Awards

Dr. Zimmerman graduated from Vanderbilt University, Columbia. He has 4 awards.

Patients' Choice Award (2008, 2014)
Compassionate Doctor Recognition (2011 - 2014)
Top 10 Doctor - City (2014)
Katy, TX
Obstetrician & Gynecologist
On-Time Doctor Award (2014)


Dr. Zimmerman has 6 hospital affiliations:

  • CHRISTUS St Catherine Health & Wellness 
  • Memorial Hermann Katy Hospital 


  • Spanish

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Additional Information
Dr. Geoffrey Andrew Zimmerman MD is a male Obstetrician & Gynecologist, has 9 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Geoffrey A. Zimmerman practice?
Dr. Geoffrey Zimmerman has 2 office locations.
Dr. Geoffrey Zimmerman practices Obstetrics & Gynecology near Katy, TX.
Additional practice locations include: Houston, TX.
See Katy Obstetricians & Gynecologists.