Professional Therapist

Mark Farrell O'brien, MS, LCPC

605 N Michigan Ave Fl 4, Chicago, Illinois, 60611-3141

About Mark Farrell O'brien

Mark Farrell O'brien is a therapist based in Chicago, Illinois who is specialized in Professional Counselor. Active license number of Mark Farrell O'brien is 180008079 for Professional Counselor in Illinois. His current practice location is 605 N Michigan Ave Fl 4, Chicago. Patients can reach him at --. Mark Farrell O'brien is MS, LCPC in Professional Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1932427986.

Mark Farrell O'brien is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Practice Information

Mark Farrell 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 Mark Farrell O'brien
Specialization Professional Counselor
Credentials MS, LCPC
Gender Male
Practice Address: 605 N Michigan Ave Fl 4,
Chicago, IL - 60611-3141
Phone --

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 Number1932427986
NPI Enumeration Date: 13 May, 2010
NPI Last Update On: 20 Sep, 2019

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 Mark Farrell O'brien are as mentioned below.

License NumberSpecializationStateStatus
180008079Professional Counselor IllinoisPrimary

Mailing Address

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

Mark Farrell O'brien
605 N Michigan Ave Fl 4,
Chicago, IL - 60611-3141
Phone: 312-316-7703

Book an Appointment with Mark Farrell O'brien

To schedule an appointment, contact Mark Farrell O'brien at 605 N Michigan Ave Fl 4, Chicago, Illinois or call on below stated phone number.

Frequently Asked Questions

Below are some commonly asked questions about Mark Farrell O'brien:

Mark Farrell O'brien is a therapist specializing in Professional Counselor. He is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

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

Mark Farrell O'brien practices at 605 N Michigan Ave Fl 4, Chicago, Illinois, 60611-3141.

To schedule an appointment with Mark Farrell O'brien, please contact the office at --.

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