Dennis Gates, Mental Health Llc is a psychology clinic located in Largo, Maryland. specializing in Prescribing (Medical). The clinic is located at 1300 Mercantile Ln Ste 198, Largo, MD and can be reached at 301-955-9812. The authorized official for Dennis Gates, Mental Health Llc is Mr. Tom Dennis Gates Ii,
who serves the clinic’s Psychiatric Nurse Practitioner. He/She can be contacted at 301-955-9812. The clinic’s primary license number in Maryland is R207808 (Prescribing (Medical)) . Dennis Gates, Mental Health Llc Clinic is a licensed psychologist who has completed specialized, post-doctoral training in psychopharmacology, passed a national proficiency examination in psychopharmacology, and is authorized by state statute to prescribe medications, in accordance with their state law and state licensing authority, for the evaluation, diagnosis, management and treatment of mental, nervous, emotional, behavioral, and related disorders.
Clinic Information
Dennis Gates, Mental Health Llc Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.
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 Mr. Tom Dennis Gates Ii
Position Psychiatric Nurse Practitioner
Contact Number 301-955-9812
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 Number1134656747
NPI Enumeration Date: 12 May, 2017
NPI Last Update On: 27 Oct, 2025
Medical Licenses
Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dennis Gates, Mental Health Llc are as mentioned below.
License NumberSpecializationStateStatus
R207808Prescribing (Medical)
MarylandPrimary
Mailing Address
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.
Dennis Gates, Mental Health Llc 1300 Mercantile Ln Ste 198, Largo, MD - 20774-5339 Phone: 301-955-9812 Fax: 301-955-9813
Book an Appointment with Dennis Gates, Mental Health Llc
To schedule an appointment, contact Dennis Gates, Mental Health Llc at 1300 Mercantile Ln Ste 198, Largo, Maryland or call the phone number listed below.
Below are some commonly asked questions about Dennis Gates, Mental Health Llc clinic:
Dennis Gates, Mental Health Llc is a psychology clinic specializing in Prescribing (Medical) Psychology.
Dennis Gates, Mental Health Llc is located at 1300 Mercantile Ln Ste 198, Largo, Maryland 20774-5339.
Patients can contact Dennis Gates, Mental Health Llc at 301-955-9812
for inquiries about its services and appointments.
Please contact Dennis Gates, Mental Health Llc directly to inquire about
new-patient availability and appointment options.
* Availability may change.
Dennis Gates, Mental Health Llc is a licensed psychologist who has completed specialized, post-doctoral training in psychopharmacology, passed a national proficiency examination in psychopharmacology, and is authorized by state statute to prescribe medications, in accordance with their state law and state licensing authority, for the evaluation, diagnosis, management and treatment of mental, nervous, emotional, behavioral, and related disorders.
Patients can contact Dennis Gates, Mental Health Llc at 301-955-9812
to inquire about appointments, consultation requirements
and available services.
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