Dalia Beth Mermelstein

Mental Health Counselor


  9701 Apollo Dr Ste 491, Upper Marlboro
     Maryland, 20774-4798
  240-667-2524    Maps & Directions
Dalia Beth Mermelstein is a Upper Marlboro, Maryland based counselor who is specialized as Mental Health Counselor. Her current practice location is 9701 Apollo Dr Ste 491, Upper Marlboro. Patients can book an appointment with her at 240-667-2524.
Dalia Beth Mermelstein is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.
Complete Profile:
Dalia Beth Mermelstein speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Dalia Beth Mermelstein
Specialization: Mental Health Counselor
Gender:Female
Accepts Medicare Assignment:No
Practice Address:9701 Apollo Dr Ste 491, Upper Marlboro,
Maryland, 20774-4798
Phone:240-667-2524
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1215890488
NPI Enumeration Date: 04 Dec, 2025
NPI Last Update On: 04 Dec, 2025

Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 500 23rd St Nw Apt B310,
Washington, District Of Columbia
Zip: 20037-2831
Patients can reach Dalia Beth Mermelstein at 9701 Apollo Dr Ste 491, Upper Marlboro, Maryland or can call to book an appointment on 240-667-2524.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.