Psychology Clinic

International Diagnostic Solutions

641 S St Nw, Third Floor, Washington, District Of Columbia, 20001-5131

About International Diagnostic Solutions

International Diagnostic Solutions is a psychology clinic located in Washington, District Of Columbia. The clinic is located at 641 S St Nw, Third Floor, Washington, DC and can be reached at 202-643-7462. The authorized official for International Diagnostic Solutions is Ms. Tracey Ellis, who serves the clinic’s Cofounder. He/She can be contacted at 202-202-6537.
International Diagnostic Solutions Clinic is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, psychologists performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. Psychologists 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.

Clinic Information

International Diagnostic Solutions Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name International Diagnostic Solutions
Specialization Psychology
Practice Address 641 S St Nw, Third Floor
Washington, DC - 20001-5131

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name Ms. Tracey Ellis
Position Cofounder
Contact Number 202-202-6537

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 Number1912397001
NPI Enumeration Date: 28 Jan, 2015
NPI Last Update On: 26 Nov, 2019

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for International Diagnostic Solutions are as mentioned below.
License NumberSpecializationStateStatus
Cognitive & Behavioral Primary
Behavioral Analyst Secondary
Occupational Therapist Secondary
Speech-language Pathologist Secondary

Mailing Address

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

International Diagnostic Solutions
641 S St Nw Fl 3,
Washington, DC - 20001-5196
Phone: 202-262-6537

Book an Appointment with International Diagnostic Solutions

To schedule an appointment, contact International Diagnostic Solutions at 641 S St Nw, Third Floor, Washington, District Of Columbia or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about International Diagnostic Solutions clinic:

International Diagnostic Solutions is a psychology clinic specializing in Psychology.

International Diagnostic Solutions is located at 641 S St Nw, Third Floor, Washington, District Of Columbia 20001-5131.

Patients can contact International Diagnostic Solutions at 202-643-7462 for inquiries about its services and appointments.

Please contact International Diagnostic Solutions directly to inquire about new-patient availability and appointment options.
* Availability may change.

International Diagnostic Solutions is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, psychologists performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. Psychologists 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.

Patients can contact International Diagnostic Solutions at 202-643-7462 to inquire about appointments, consultation requirements and available services.

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