Psychologist | General Psychology

Dr. William Griswold Pinney, PH.D.

2440 M St Nw, Suite 429, Washington, District Of Columbia, 20037-1404

About Dr. William Griswold Pinney

Dr. William Griswold Pinney is a psychologist based in Washington, District Of Columbia who is specialized in General Psychology. Active license number of Dr. William Griswold Pinney is PSY1772 for General Psychology in District Of Columbia. His current practice location is 2440 M St Nw, Suite 429, Washington. Patients can contact him at 202-296-7033 or can fax him at 202-223-3939. Dr. William Griswold Pinney, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1720013592.

Dr. William Griswold Pinney is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. William Griswold Pinney'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. William Griswold Pinney
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 2440 M St Nw, Suite 429
Washington, DC - 20037-1404
Fax 202-223-3939

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 Number1720013592
NPI Enumeration Date: 11 Jul, 2006
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. William Griswold Pinney are as mentioned below.

License NumberSpecializationStateStatus
PSY1772General 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. William Griswold Pinney
2440 M St Nw, Suite 429
Washington, DC - 20037-1404
Phone: 202-296-7033
Fax: 202-223-3939

Book an Appointment with Dr. William Griswold Pinney

To schedule an appointment, contact Dr. William Griswold Pinney at 2440 M St Nw, Suite 429, 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. William Griswold Pinney:

Dr. William Griswold Pinney is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. William Griswold Pinney 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. William Griswold Pinney practices at 2440 M St Nw, Suite 429, Washington, District Of Columbia, 20037-1404.

To schedule an appointment with Dr. William Griswold Pinney, please contact the office at 202-296-7033.

Reviews & Feedback

Have you visited Dr. William Griswold Pinney? Share your experience to help others looking for a psychologist in Washington, DC.

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