Psychologist | Clinical Psychology

Heather Gallagher, PH.D.

1 Main St, Nashua, New Hampshire, 03064-2716

About Heather Gallagher

Heather Gallagher is a psychologist based in Nashua, New Hampshire who is specialized in Clinical Psychology. Active license number of Heather Gallagher is 996 for Clinical Psychology in New Hampshire. Her current practice location is 1 Main St, Nashua. Patients can contact her at 603-883-0005 or can fax her at 603-883-0007. Heather Gallagher, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1487666574.

Heather Gallagher 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Heather Gallagher'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 Heather Gallagher
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 1 Main St,
Nashua, NH - 03064-2716
Fax 603-883-0007

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 Number1487666574
NPI Enumeration Date: 13 Aug, 2006
NPI Last Update On: 11 Sep, 2025

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 Heather Gallagher are as mentioned below.

License NumberSpecializationStateStatus
996Clinical Psychology New HampshirePrimary
996Clinical Child & Adolescent Psychology New HampshireSecondary

Mailing Address

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

Heather Gallagher
1 Main St,
Nashua, NH - 03064-2716
Phone: 603-883-0005
Fax: 603-883-0007

Book an Appointment with Heather Gallagher

To schedule an appointment, contact Heather Gallagher at 1 Main St, Nashua, New Hampshire or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Heather Gallagher:

Heather Gallagher is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Heather Gallagher 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.

Heather Gallagher practices at 1 Main St, Nashua, New Hampshire, 03064-2716.

To schedule an appointment with Heather Gallagher, please contact the office at 603-883-0005.

Reviews & Feedback

Have you visited Heather Gallagher? Share your experience to help others looking for a psychologist in Nashua, NH.

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