This page provides you with practical information about our practice. It includes descriptions of our office location, including a map and directions, hours, appointment scheduling, insurance acceptance and billing policies.

MK Dermatology and Dermatologic Surgery
21 East 90th Street
New York, NY 10128
09:15 AM - 05:00 PM
02:00 PM - 06:00 PM
11:00 AM - 04:00 PM
09:30 AM - 04:00 PM
09:15 AM - 02:00 PM

Click here for door-to-door driving directions


We know you have many choices when choosing a dermatologist in New York, NY so we have made requesting an appointment a simple and convenient process via our Web site. If, for any reason you cannot keep a scheduled appointment, or will be delayed, please call us as soon as possible.

Insurance and Billing

We accept most traditional insurance plans. Please contact our office to verify acceptance of your plan. Qualifications for insurance coverage may differ due to the uniqueness of each procedure. We are happy to file insurance for your reimbursement as long as you are free to choose your own dermatologist.

  • Amerigroup/Healthplus
  • Beech Street
  • Blue Cross Blue Shield
  • Empire Blue Cross/ Blue Shield
  • Healthfirst
  • HIP
  • Medicare
  • Metro Plus Health
  • MultiPlan/PHCS
  • Oscar Health Insurance (*NEW)
  • Oxford Freedom Plan (Freedom plan ONLY)
  • Pomco
  • United Healthcare
  • 1199

Dr. Kaufmann has privileges at The Mount Sinai Hospital.  All pathology specimens are sent to Mount Sinai Pathology labs, Dermpath Diagnostics, or Labcorp.

Payment Options

We accept checks, cash or credit cards. All co-payments, co-insurance, and deductibles are expected to be paid at time of service.