Mental Health Therapist

Dr. Michael Robert Lonergan Sr., LMHC

1 W Main St, Smithtown, New York, 11787-2629

About Dr. Michael Robert Lonergan Sr.

Dr. Michael Robert Lonergan Sr. is a therapist based in Smithtown, New York who is specialized in Mental Health Counselor. Active license number of Dr. Michael Robert Lonergan Sr. is 18000094 for Mental Health Counselor in New York. His current practice location is 1 W Main St, Smithtown. Patients can reach him at 631-979-9266. Dr. Michael Robert Lonergan Sr. is LMHC in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1366459117.

Dr. Michael Robert Lonergan Sr. is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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

Dr. Michael Robert Lonergan Sr. 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 Dr. Michael Robert Lonergan Sr.
Specialization Mental Health Counselor
Credentials LMHC
Gender Male
Practice Address: 1 W Main St,
Smithtown, NY - 11787-2629

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 Number1366459117
NPI Enumeration Date: 02 Aug, 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 Dr. Michael Robert Lonergan Sr. are as mentioned below.

License NumberSpecializationStateStatus
18000094Mental Health Counselor New YorkPrimary

Mailing Address

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

Dr. Michael Robert Lonergan Sr.
59 Bay St,
Southampton, NY - 11968-1950
Phone: 631-283-0854

Book an Appointment with Dr. Michael Robert Lonergan Sr.

To schedule an appointment, contact Dr. Michael Robert Lonergan Sr. at 1 W Main St, Smithtown, New York or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Michael Robert Lonergan Sr.:

Michael Robert Lonergan Sr. is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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, Michael Robert Lonergan Sr. is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Michael Robert Lonergan Sr. practices at 1 W Main St, Smithtown, New York, 11787-2629.

To schedule an appointment with Michael Robert Lonergan Sr., please contact the office at 631-979-9266.

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