Browse Health
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Lydia Breen is Good. Dr. Breen has been reviewed by 5 patients who have provided 3 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Accurate Diagnosis 4.1
Bedside Manner 3.7
Spends Time with Me 4.1
Follows Up After Visit 3.7

Specialties & Research

Dr. Lydia Breen, MD is board certified in Psychiatry.

  • She has special expertise in 9 areas:
  • Anxiety Disorders
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Mood Disorders
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Breen graduated from University of Rochester .


Dr. Breen has 1 hospital affiliations:

  • Northwestern Memorial Hospital 

> > > > Dr. Lydia Breen, MD

Similar doctors nearby

Dr. Sanaz Kalantarzadeh

7 years experience
San Mateo, CA

Dr. Dan Yang

4 years experience
San Mateo, CA

Dr. Michelle Kwok

9 years experience
San Mateo, CA

Dr. Minyang Mao

6 years experience
San Mateo, CA

Dr. Elizabeth Lee

29 years experience
San Mateo, CA

Dr. C Hartwig

44 years experience
San Mateo, CA
Search All Similar Doctors
Additional Information
Dr. Lydia Andrea Breen MD is a female Psychiatrist, has 13 years of experience and practices in Psychiatry.
Where does Dr. Lydia A. Breen practice?
Dr. Lydia Breen has 6 office locations.
Dr. Lydia Breen practices Psychiatry near San Mateo, CA.
Additional practice locations include: Walnut Creek, CA and Daly City, CA.
See San Mateo Psychiatrists.