Summary

Dr. Dieffenbach graduated from the Weill Cornell Medical College in 1990. He works in New Canaan, CT and specializes in Psychiatry. Dr. Dieffenbach is affiliated with Silver Hill Hospital.

Quick Facts

  • 36 years of experience
  • Greenwich Hospital
  • 1 specialty
  • 12 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Dieffenbach Eric John Office

72 Park StNew Canaan, CT 06840

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Dr. Eric John Dieffenbach, MDDr. John Samuel TamerinDr. Nigel I. Kennedy, MDDr. Reaghan Hicks, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
36 Years of Experience 63 Years of Experience 17 Years of Experience 11 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English
New Canaan , CTGreenwich , CTNew York , NYSan Francisco , CA
Med School: Weill Cornell Medical College Med School: New York University Med School: St Georges University Of London Med School: University of South Carolina School of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Eric John Dieffenbach

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Eric John Dieffenbach has the following specialty

Specialty Expertise

Dr. Eric John Dieffenbach has the following 12 areas of expertise

  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Mental Illness
  • Mood Disorders
  • Personality Disorder
  • Schizophrenia
  • Sleep Disorders

Certifications, License, & Education

36 Years Experience

MEDICAL LICENSE

Medical Doctor, Connecticut, 2025, Expired

EDUCATION & TRAINING

Residency

Greenwich Hospital

Medical School

Weill Cornell Medical CollegeGraduated in 1990

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Frequently Asked Questions

Does Dr. Eric Dieffenbach accept virtual/telehealth appointments?
Dr. Eric Dieffenbach has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Eric Dieffenbach accepting new patients?
Dr. Eric Dieffenbach has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Eric Dieffenbach accept my insurance?
You can see the insurance plans that Dr. Eric Dieffenbach accepts on their Vitals profile.
How can I make an appointment with Dr. Eric Dieffenbach?
You can find contact information for Dr. Eric Dieffenbach here on Vitals.
Where is Dr. Eric Dieffenbach's office located?
Dr. Eric Dieffenbach's office is located at 72 Park St, New Canaan, CT, 06840.

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