Dr. Gekker works in New York, NY and specializes in Child & Adolescent Psychiatry and Psychiatry. Dr. Gekker is affiliated with Mount Sinai Beth Israel Brooklyn Medical Center and NYU Langone Medical Center.


Years Experience: Not Available

Dr. Gekker's Specialties

Dr. Gekker's Education & Training

Medical School
Not Available


  • Overall Rating

  • Rate
    Explains conditions & treatments

  • Rate
    Takes time to answer my questions

  • Rate
    Provides follow-up as needed

Dr. Gekker's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Choice POS II
  • Aetna Choice POS Open Access
  • Aetna Elect Choice EPO
  • Aetna HMO
  • Aetna Managed Choice POS Open Access

Dr. Gekker's Office Information & Appointments


Allergy Asthma & Immunology On Madison

161 Madison Ave Rm 3A
New York, NY 10016

Get Directions

Tel: (646) 424-0400

Fax: (646) 742-0092

Practice Website: allergyasthmaonmadison.com

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: No

M 9:00 AM - 7:00 PM
T 9:00 AM - 4:00 PM
W 9:00 AM - 7:00 PM
T 9:00 AM - 4:00 PM
F 9:00 AM - 1:00 PM
S Closed
S Closed

Other Physicians in Dr. Gekker's Practice