Summary

I am passionate about working with adults to improve their emotional health and well-being. I have a strong background in both psychopharmacology and psychotherapy, including psychodynamic, cognitive behavioral and mindfulness. I believe in treating the whole person and I very much enjoy working collaboratively with my patients on a journey towards a healthy and fulfilling life.

Quick Facts

  • 2
  • 18 years of experience
  • Keck School Of Medicine Of The University Of Southern California
  • 3 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 3 hospital affiliations
  • 5 office locations
  • Female

Office Locations

Dr. Nissa Marie Keyashian has 5 locations

Keyashian Nissa Marie Office

1101 S Winchester Blvd Ste A101San Jose, CA 95128
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Dr. Nissa Marie Keyashian

1101 S Winchester Blvd Ste A101San Jose, CA 95128

Oconnor Hospital

2105 Forest AveSan Jose, CA 95128

Good Samaritan Hospital

2425 Samaritan DrSan Jose, CA 95124

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Dr. Nissa Marie Keyashian, MDDr. Cesar De Paz, MDRenata Costa, PMHNPDr. Gaurav Agarwal, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients
2 
5 
0 
0 
18 Years of Experience 18 Years of Experience 4 Years of Experience 9 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English, Hindi
San Jose , CASan Francisco , CASan Jose , CAJacksonville , FL
Med School: Keck School Of Medicine Of The University Of Southern California Med School: University of Texas Medical Branch Galveston Med School: UC San Francisco Med School: American University of Antigua
Current Profile
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Insurance Plans Accepted by Dr. Nissa Marie Keyashian

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

Medical Specialties

Dr. Nissa Marie Keyashian has the following specialty

Specialty Expertise

Dr. Nissa Marie Keyashian has the following 13 areas of expertise

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

Certifications, License, & Education

18 Years Experience

Dr. Nissa Marie Keyashian holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expired in 2026.

Education & Training

Medical School

Graduated from Keck School Of Medicine Of The University Of Southern California in 2008.

NPI Number

Dr. Keyashian's NPI number is 1508032335.

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Frequently Asked Questions

Is Dr. Nissa Keyashian accepting new patients?
Dr. Nissa Keyashian has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Nissa Keyashian accept my insurance?
You can see the insurance plans that Dr. Nissa Keyashian accepts on their Vitals profile.
Does Dr. Nissa Keyashian accept virtual/telehealth appointments?
Dr. Nissa Keyashian has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Nissa Keyashian's office located?
Dr. Nissa Keyashian's office is located at 1101 S Winchester Blvd Ste A101, San Jose, CA, 95128.
Which hospitals is Dr. Nissa Keyashian affiliated with?
Dr. Nissa Keyashian is affiliated with Santa Clara Valley Medical Center, Good Samaritan Hospital, and Oconnor Hospital.

Data Sources

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  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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