Psychologist | Clinical Psychology

Rachael Elizabeth Flatt, PHD

300 Longwood Ave, Boston, Massachusetts, 02115-5724

About Rachael Elizabeth Flatt

Rachael Elizabeth Flatt is a psychologist based in Boston, Massachusetts who is specialized in Clinical Psychology. Active license number of Rachael Elizabeth Flatt is PSY10001936 for Clinical Psychology in Massachusetts. Her current practice location is 300 Longwood Ave, Boston. Patients can contact her at 617-355-6000. Rachael Elizabeth Flatt, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1164396305.

Rachael Elizabeth Flatt 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

Rachael Elizabeth Flatt'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 Rachael Elizabeth Flatt
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 300 Longwood Ave,
Boston, MA - 02115-5724

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 Number1164396305
NPI Enumeration Date: 01 Oct, 2025
NPI Last Update On: 01 Oct, 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 Rachael Elizabeth Flatt are as mentioned below.

License NumberSpecializationStateStatus
PSY10001936Clinical 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.

Rachael Elizabeth Flatt
300 Longwood Ave,
Boston, MA - 02115-5724
Phone: 617-355-6000

Book an Appointment with Rachael Elizabeth Flatt

To schedule an appointment, contact Rachael Elizabeth Flatt at 300 Longwood Ave, Boston, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Rachael Elizabeth Flatt:

Rachael Elizabeth Flatt 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, Rachael Elizabeth Flatt 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.

Rachael Elizabeth Flatt practices at 300 Longwood Ave, Boston, Massachusetts, 02115-5724.

To schedule an appointment with Rachael Elizabeth Flatt, please contact the office at 617-355-6000.

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