Psychologist | Clinical Psychology

Dr. Gerard Joseph Donnellan, PHD

8 Minola Rd, Lexington, Massachusetts, 02421-5512

About Dr. Gerard Joseph Donnellan

Dr. Gerard Joseph Donnellan is a psychologist based in Lexington, Massachusetts who is specialized in Clinical Psychology. Active license number of Dr. Gerard Joseph Donnellan is 2276 for Clinical Psychology in Massachusetts. His current practice location is 8 Minola Rd, Lexington. Patients can contact him at 781-863-5354 or can fax him at 781-861-1639. Dr. Gerard Joseph Donnellan, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1245388487.

Dr. Gerard Joseph Donnellan 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. Gerard Joseph Donnellan'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. Gerard Joseph Donnellan
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 8 Minola Rd,
Lexington, MA - 02421-5512
Fax 781-861-1639

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 Number1245388487
NPI Enumeration Date: 06 Jan, 2007
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. Gerard Joseph Donnellan are as mentioned below.

License NumberSpecializationStateStatus
2276Clinical 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. Gerard Joseph Donnellan
8 Minola Rd,
Lexington, MA - 02421-5512
Phone: 781-863-5354
Fax: 781-861-1639

Book an Appointment with Dr. Gerard Joseph Donnellan

To schedule an appointment, contact Dr. Gerard Joseph Donnellan at 8 Minola Rd, Lexington, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Gerard Joseph Donnellan:

Dr. Gerard Joseph Donnellan 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. Gerard Joseph Donnellan 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. Gerard Joseph Donnellan practices at 8 Minola Rd, Lexington, Massachusetts, 02421-5512.

To schedule an appointment with Dr. Gerard Joseph Donnellan, please contact the office at 781-863-5354.

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