Mental Health Therapist

Margaret O'brien, LMHC

406 Massachusetts Ave, Arlington, Massachusetts, 02474-6700

About Margaret O'brien

Margaret O'brien is a therapist based in Arlington, Massachusetts who is specialized in Mental Health Counselor. Active license number of Margaret O'brien is 11198 for Mental Health Counselor in Massachusetts. Her current practice location is 406 Massachusetts Ave, Arlington. Patients can reach her at 781-488-8243. Margaret O'brien is LMHC in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1891246518.

Margaret O'brien is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Margaret O'brien speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Margaret O'brien
Specialization Mental Health Counselor
Credentials LMHC
Gender Female
Practice Address: 406 Massachusetts Ave,
Arlington, MA - 02474-6700

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1891246518
NPI Enumeration Date: 18 Oct, 2016
NPI Last Update On: 19 Jul, 2024

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Margaret O'brien are as mentioned below.

License NumberSpecializationStateStatus
11198Mental Health Counselor MassachusettsPrimary
LMHC11198Mental Health Counselor MassachusettsSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Margaret O'brien
17 Florence Ave,
Arlington, MA - 02476-5909
Phone: 857-206-6004

Book an Appointment with Margaret O'brien

To schedule an appointment, contact Margaret O'brien at 406 Massachusetts Ave, Arlington, Massachusetts or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Margaret O'brien:

Margaret O'brien is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Margaret O'brien is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Margaret O'brien practices at 406 Massachusetts Ave, Arlington, Massachusetts, 02474-6700.

To schedule an appointment with Margaret O'brien, please contact the office at 781-488-8243.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.