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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 (31)

The overall average patient rating of Dr. Maher Abdallah, Reproductive Endocrinology & Infertility is Excellent. Dr. Abdallah has been reviewed by 74 patients who have provided 31 comments. The rating is 4.5 out of 5 stars.

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

Specialties & Research

Dr. Maher Abdallah, MD is board certified in Obstetrics & Gynecology and Reproductive Endocrinology.

  • He has special expertise in 9 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes
  • Hot Flashes
  • In Vitro Fertilization (IVF)
  • Infertility
  • Menopause
  • Microsurgery
  • Minimally Invasive Surgical Procedures

Education & Awards

Dr. Abdallah graduated from Upstate Medical University Physical Medicine and Rehabilitation, Syracuse. He has 8 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice 5th Anniversary Award (2014)
Patients' Choice Award (2010 - 2014)
Compassionate Doctor Award - 5 Year Honoree (2014)
Compassionate Doctor Recognition (2010 - 2014)
Top 10 Doctor - State (2014)
Reproductive Endocrinologist
Top 10 Doctor - Metro Area (2014)
Los Angeles Metro Area
Reproductive Endocrinologist
On-Time Doctor Award (2014)


Dr. Abdallah has 5 hospital affiliations:

  • Saddleback Memorial Medical Center-Laguna Hills 
  • Desert Regional Medical Center 


  • English
  • Arabic

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Additional Information
Dr. Maher Ali Abdallah MD is a male Internist, has 17 years of experience and practices in Obstetrics & Gynecology, Reproductive Endocrinology, and Endocrinology, Diabetes & Metabolism.
Where does Dr. Maher A. Abdallah practice?
Dr. Maher Abdallah has 11 office locations.
Dr. Maher Abdallah practices Obstetrics & Gynecology, Reproductive Endocrinology, and Endocrinology, Diabetes & Metabolism near Costa Mesa, CA.
Additional practice locations include: Corona, CA and Rancho Mirage, CA.
See Costa Mesa Obstetricians & Gynecologists and Costa Mesa Endocrinologists.