Summary

Dr. Oneill graduated from the Northwestern University Feinberg School of Medicine in 1997. She works in Boston, MA and specializes in Psychiatry. Dr. Oneill is affiliated with Massachusetts General Hospital.

Quick Facts

  • 29 years of experience
  • speaks English
  • Northwestern University Feinberg School Of Medicine
  • 1 specialty
  • 13 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

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Dr. Siobhan Michelle Oneill, MDDr. Andrew Lelin, MDBetty L Yu, PMHNP-BC, FNP-BC, CARN-APDr. Mary O'Malley, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
29 Years of Experience 10 Years of Experience 12 Years of Experience 33 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English, Cantonese Speaks English
Boston , MABoston , MACanton , MABoston , MA
Med School: Northwestern University Feinberg School Of Medicine Med School: Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Med School: Cornell University Medical College
Current Profile
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Insurance Plans Accepted by Dr. Siobhan Michelle Oneill

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

Medical Specialties

Dr. Siobhan Michelle Oneill has the following specialty

Specialty Expertise

Dr. Siobhan Michelle Oneill has the following 13 areas of expertise

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

Certifications, License, & Education

29 Years Experience

Dr. Siobhan Michelle Oneill holds an expired medical license in the state of Massachusetts.

Medical License

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

Education & Training

Medical School

Graduated from Northwestern University Feinberg School Of Medicine in 1997.

NPI Number

Dr. Oneill's NPI number is 1073571915.

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Frequently Asked Questions

Which hospitals is Dr. Siobhan Oneill affiliated with?
Dr. Siobhan Oneill is affiliated with Massachusetts General Hospital.
Where is Dr. Siobhan Oneill's office located?
Dr. Siobhan Oneill's office is located at 55 Fruit St, Boston, MA, 02114.
How can I make an appointment with Dr. Siobhan Oneill?
You can find contact information for Dr. Siobhan Oneill here on Vitals.
Does Dr. Siobhan Oneill accept my insurance?
You can see the insurance plans that Dr. Siobhan Oneill accepts on their Vitals profile.
Is Dr. Siobhan Oneill accepting new patients?
Dr. Siobhan Oneill has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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