Browse Health
Obstetrician & Gynecologist (OB/GYN)
23 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).

Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. John Maher is Good. Dr. Maher has been reviewed by 35 patients who have provided 6 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.4
Courteous Staff 3.9
Accurate Diagnosis 3.9
Bedside Manner 3.9
Spends Time with Me 3.8
Follows Up After Visit 3.8

Specialties & Research

Dr. John Maher, MD is board certified in Obstetrics & Gynecology.

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

Education & Awards

Dr. Maher graduated from UMDNJ, Newark. He has 2 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2012 - 2015)
Patients' Choice Award (2008 - 2009)


Dr. Maher has 5 hospital affiliations:

  • University Hospital of Brooklyn at Long Island Hospital 
  • New York Methodist Hospital 


  • Greek
  • Spanish
  • Chinese
  • Polish
  • Russian

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Additional Information
Dr. John Thomas Maher MD is a male Obstetrician & Gynecologist, has 23 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. John T. Maher practice?
Dr. John Maher has 4 office locations.
Dr. John Maher practices Obstetrics & Gynecology near Brooklyn, NY.
See Brooklyn Obstetricians & Gynecologists.