Psychologist | Clinical Psychology

Dr. Melissa Ann O'connell Liggett, PH.D.

111 Michigan Ave Nw, Washington, District Of Columbia, 20010-2916

About Dr. Melissa Ann O'connell Liggett

Dr. Melissa Ann O'connell Liggett is a psychologist based in Washington, District Of Columbia who is specialized in Clinical Psychology. Active license number of Dr. Melissa Ann O'connell Liggett is 1000522 for Clinical Psychology in District Of Columbia. Her current practice location is 111 Michigan Ave Nw, Washington. Patients can contact her at 202-476-5405 or can fax her at 202-476-4043. Dr. Melissa Ann O'connell Liggett, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1528206778.

Dr. Melissa Ann O'connell Liggett 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

Dr. Melissa Ann O'connell Liggett'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. Melissa Ann O'connell Liggett
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 111 Michigan Ave Nw,
Washington, DC - 20010-2916
Fax 202-476-4043

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 Number1528206778
NPI Enumeration Date: 27 Jan, 2009
NPI Last Update On: 11 Jan, 2017

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. Melissa Ann O'connell Liggett are as mentioned below.

License NumberSpecializationStateStatus
1000522Clinical Psychology District Of ColumbiaPrimary

Mailing Address

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

Dr. Melissa Ann O'connell Liggett
Po Box 37215,
Baltimore, MD - 21297-3215

Book an Appointment with Dr. Melissa Ann O'connell Liggett

To schedule an appointment, contact Dr. Melissa Ann O'connell Liggett at 111 Michigan Ave Nw, Washington, District Of Columbia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Melissa Ann O'connell Liggett:

Dr. Melissa Ann O'connell Liggett 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, Dr. Melissa Ann O'connell Liggett 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. Melissa Ann O'connell Liggett practices at 111 Michigan Ave Nw, Washington, District Of Columbia, 20010-2916.

To schedule an appointment with Dr. Melissa Ann O'connell Liggett, please contact the office at 202-476-5405.

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