Mental Health Therapist

Mary M Lennon, LPC

126 East Putnam Ave, 2nd Fl W, Cos Cob, Connecticut, 06807

About Mary M Lennon

Mary M Lennon is a therapist based in Cos Cob, Connecticut who is specialized in Mental Health Counselor. Active license number of Mary M Lennon is 001397 for Mental Health Counselor in Connecticut. Her current practice location is 126 East Putnam Ave, 2nd Fl W, Cos Cob. Patients can reach her at 203-629-0910 or can fax her at 203-778-4040. Mary M Lennon is LPC in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1730249293.

Mary M Lennon 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

Mary M Lennon 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 Mary M Lennon
Specialization Mental Health Counselor
Credentials LPC
Gender Female
Practice Address: 126 East Putnam Ave, 2nd Fl W
Cos Cob, CT - 06807
Fax 203-778-4040

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 Number1730249293
NPI Enumeration Date: 12 Dec, 2006
NPI Last Update On: 08 Jul, 2007

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 Mary M Lennon are as mentioned below.

License NumberSpecializationStateStatus
001397Mental Health Counselor ConnecticutPrimary
0011811Mental Health Counselor New YorkSecondary

Mailing Address

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

Mary M Lennon
126 East Putnam Ave, 2nd Fl W
Cos Cob, CT - 06807
Phone: 203-629-0910
Fax: 203-778-4040

Book an Appointment with Mary M Lennon

To schedule an appointment, contact Mary M Lennon at 126 East Putnam Ave, 2nd Fl W, Cos Cob, Connecticut or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mary M Lennon:

Mary M Lennon 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, Mary M Lennon is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mary M Lennon practices at 126 East Putnam Ave, 2nd Fl W, Cos Cob, Connecticut, 06807.

To schedule an appointment with Mary M Lennon, please contact the office at 203-629-0910.

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