Psychologist | Clinical Psychology

Dr. Henry A Willis, PHD

3801 Georgia Ave Nw Apt 303, Washington, District Of Columbia, 20011-5899

About Dr. Henry A Willis

Dr. Henry A Willis is a psychologist based in Washington, District Of Columbia who is specialized in Clinical Psychology. Active license number of Dr. Henry A Willis is 025791 for Clinical Psychology in New York. His current practice location is 3801 Georgia Ave Nw Apt 303, Washington. Patients can contact him at 601-214-7193. Dr. Henry A Willis, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1275154577.

Dr. Henry A Willis 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. Henry A Willis'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. Henry A Willis
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 3801 Georgia Ave Nw Apt 303,
Washington, DC - 20011-5899

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 Number1275154577
NPI Enumeration Date: 28 Apr, 2020
NPI Last Update On: 07 Jul, 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 Dr. Henry A Willis are as mentioned below.

License NumberSpecializationStateStatus
025791Clinical Psychology New YorkPrimary
07423Clinical Psychology MarylandSecondary

Mailing Address

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

Dr. Henry A Willis
3801 Georgia Ave Nw Apt 303,
Washington, DC - 20011-5899
Phone: 601-214-7193

Book an Appointment with Dr. Henry A Willis

To schedule an appointment, contact Dr. Henry A Willis at 3801 Georgia Ave Nw Apt 303, 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. Henry A Willis:

Dr. Henry A Willis 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. Henry A Willis 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. Henry A Willis practices at 3801 Georgia Ave Nw Apt 303, Washington, District Of Columbia, 20011-5899.

To schedule an appointment with Dr. Henry A Willis, please contact the office at 601-214-7193.

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