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Geneticist, Obstetrician & Gynecologist (OB/GYN)
31 years of experience
Accepting new patients
Video profile
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 (3)

The overall average patient rating of Dr. Alan Donnenfeld is Average. Dr. Donnenfeld has been reviewed by 6 patients who have provided 3 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 4.0
Courteous Staff 3.9
Accurate Diagnosis 4.0
Bedside Manner 3.4
Spends Time with Me 4.5
Follows Up After Visit 3.7

Specialties & Research

Dr. Alan Donnenfeld, MD is board certified in Clinical Cytogenetic, Clinical Genetics (M.D.), and Obstetrics & Gynecology.

  • He has special expertise in 12 areas:
  • Aneuploidy
  • Birth Defects or Abnormalities (Congenital Abnormalities)
  • Chromosome Aberrations
  • Chromosome Disorders
  • Down Syndrome
  • Drug-Induced Abnormalities
  • Fetal Diseases
  • Genetics
  • Hot Flashes
  • Menopause
  • Multiple Abnormalities
  • Pregnancy Complications

Education & Awards

Dr. Donnenfeld graduated from Dartmouth College, Hanover. He has 3 awards.

One of America's Leading Experts on:
Chromosome Aberrations
Fetal Diseases
Castle Connolly's Top Doctors™ (2013)


Dr. Donnenfeld has 34 hospital affiliations:

  • Bryn Mawr Rehabilitation Hospital 
  • Saint Peter's University Hospital 


  • Spanish

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Additional Information
Dr. Alan Erwin Donnenfeld MD is a male Medical Geneticist, has 31 years of experience and practices in Obstetrics & Gynecology, Clinical Cytogenetic, Clinical Genetics, and M.D..
Where does Dr. Alan E. Donnenfeld practice?
Dr. Alan Donnenfeld has 1 office location.
Dr. Alan Donnenfeld practices Obstetrics & Gynecology, Clinical Cytogenetic, Clinical Genetics, and M.D. near Wynnewood, PA.
See Wynnewood Obstetricians & Gynecologists and Wynnewood Geneticists.