Psychologist | Clinical Psychology

Dr. Leonard Joel Sommer, PH.D.

1 Washington St, Suite 305, Wellesley Hills, Massachusetts, 02481-1706

About Dr. Leonard Joel Sommer

Dr. Leonard Joel Sommer is a psychologist based in Wellesley Hills, Massachusetts who is specialized in Clinical Psychology. Active license number of Dr. Leonard Joel Sommer is 3955 for Clinical Psychology in Massachusetts. His current practice location is 1 Washington St, Suite 305, Wellesley Hills. Patients can contact him at 781-237-6550. Dr. Leonard Joel Sommer, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1366424657.

Dr. Leonard Joel Sommer is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Leonard Joel Sommer's specialty, 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. Leonard Joel Sommer
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 1 Washington St, Suite 305
Wellesley Hills, MA - 02481-1706

Professional Identification Codes

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

NPI Number1366424657
NPI Enumeration Date: 14 Nov, 2005
NPI Last Update On: 08 Jul, 2007

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Leonard Joel Sommer are as mentioned below.

License NumberSpecializationStateStatus
3955Clinical Psychology MassachusettsPrimary

Mailing Address

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

Dr. Leonard Joel Sommer
1 Washington St, Suite 305
Wellesley Hills, MA - 02481-1711
Phone: 781-237-6550

Book an Appointment with Dr. Leonard Joel Sommer

To schedule an appointment, contact Dr. Leonard Joel Sommer at 1 Washington St, Suite 305, Wellesley Hills, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Leonard Joel Sommer:

Dr. Leonard Joel Sommer is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Leonard Joel Sommer is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Leonard Joel Sommer practices at 1 Washington St, Suite 305, Wellesley Hills, Massachusetts, 02481-1706.

To schedule an appointment with Dr. Leonard Joel Sommer, please contact the office at 781-237-6550.

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