Summary

Dr. Mathewson graduated from the Icahn School of Medicine At Mount Sinai in 2005. She works in Ossining, NY and 1 other location and specializes in Psychiatry. Dr. Mathewson is affiliated with Bellevue Hospital.

Quick Facts

  • accepting new patients
  • 5
  • 21 years of experience
  • Icahn School Of Medicine At Mount Sinai
  • 1 written review
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Female

Office Locations

Dr. Karen Ashby Mathewson has 2 locations

Open Door Family Medical Center

165 Main StOssining, NY 10562
Mon8:30 am - 7:00 pm
Tue9:00 am - 7:00 pm
Wed8:30 am - 7:00 pm
Thu8:30 am - 7:00 pm
Fri8:30 am - 5:00 pm
Sat8:30 am - 2:00 pm
SunClosed

Nyc Health And Hospitals Bellevue

462 1st AveNew York, NY 10016

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Dr. Karen Ashby Mathewson, MD
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Dr. Karen Ashby Mathewson, MDEdith Onua, NP, PMHNP-BC, DNPDr. Danielle Gelfond, MDGeorge Mckenzie-Dajic, PMHNP
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
21 Years of Experience 4 Years of Experience 6 Years of Experience 2 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks Spanish, English
Ossining , NYNew York , NYLincolnshire , ILNew York , NY
Med School: Icahn School Of Medicine At Mount Sinai Med School: Pace University Med School: Rush Medical College of Rush University Med School: Pace University
Current Profile
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Insurance Plans Accepted by Dr. Karen Ashby Mathewson

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Karen Ashby Mathewson has the following specialty

Specialty Expertise

Dr. Karen Ashby Mathewson has the following 12 areas of expertise

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

Certifications, License, & Education

21 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Expired

EDUCATION & TRAINING

Medical School

Icahn School Of Medicine At Mount SinaiGraduated in 2005

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Frequently Asked Questions

Which hospitals is Dr. Karen Mathewson affiliated with?
Dr. Karen Mathewson is affiliated with Bellevue Hospital.
Is Dr. Karen Mathewson accepting new patients?
Dr. Karen Mathewson is accepting new patients on Vitals. View Dr. Karen Mathewson's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Karen Mathewson?
You can find contact information for Dr. Karen Mathewson here on Vitals.
Does Dr. Karen Mathewson accept virtual/telehealth appointments?
Dr. Karen Mathewson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Karen Mathewson accept my insurance?
You can see the insurance plans that Dr. Karen Mathewson accepts on their Vitals profile.

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