© 2019 Onyx Therapy Group

NAIC Codes: 611430, 611699, 611710, 621112, 621330, 624190, 541611, and 541990

NIGP Codes: 918-67-00, 952-62-00, 958-67-00. 918-38-00, 924-00-00, 924-05-00, 924-19-00, 924-74-00, and  924-78-00

Insurances: WorkPartners Life Solutions EAP | Highmark

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Dr. LaNail R. Plummer


As a Licensed Clinical Professional Counselor (LCPC-MD), Licensed Professional Counselor (LPC-DC), a Nationally Certified Counselor (NCC), an Approved Clinical Supervisor (ACS), and a Board-Certified, TeleMental Health Counselor, Dr. LaNail R. Plummer is committed to improving the lifestyle of many through the aspects of mental health and character development. Through the values of integrity and awareness, Dr. Plummer believes that emotional, spiritual and cultural healing is attainable.

Dr. Plummer, and her team of counselors, specialize in Child Centered Play Therapy, Cognitive Behavioral Therapy, Rational Emotive Behavioral Therapy and Solution Focused Therapy. As a graduate of Howard University & Marymount University, Dr. Plummer and her team ensure their clinical sessions incorporate cultural frameworks as a method of self-awareness, processing and healing.


As a counselor, Dr. Plummer is passionate in being a guide to her clients. She has over 13 years of clinical experience that spans variations in clients ages 3+, co-parenting, couples, and families. Additionally her work can be tailored to support the individual and couple-based needs of members of the LGBTQ community while also allowing for the role of spirituality and meaning. 


As a consultant, Dr. Plummer ties in her experiences from the military, school/community leadership, university faculty, and parenting. The culmination of these aspects allows her to provide the best services to her clients, directly and indirectly,  based on her breadth of information, knowledge and communication styles. As a researcher, Dr. Plummer explores the experiences of Black Women in clinical and supervision settings with the goal of creating a grounded theory that best suits the needs of Black Women in a range of professions. 

As a presenter, Dr. Plummer enjoys sharing her knowledge of clinical frameworks and counseling, clinical supervision, small business/private practice start-ups, and spiritual techniques and implications in therapeutic sessions. As such, Dr. Plummer  has presented at 10+ international and national conferences to include the European Branch of the American Counseling Association (EB-ACA), the Association of Black Psychologists (ABPsi), and the Maryland Counseling Association (MCA). Additionally, Dr. Plummer has presented insightful mental health tips and commentary on local and national media outlets to include ABC7, NBC4, and CNN. 


As a small business minority (Black, Woman, US Army Veteran) owner, Dr. Plummer believes in a cumulative approach to mental health, business development, and balanced living. Dr. Plummer is the owner and Chief Executive Officer of Onyx Therapy Group. She, and her team of Counselors,  Educational Specialists, and Interns  operate 8 offices in Washington DC, Maryland, and Pennsylvania. 

Dr. Plummer is also a full-time faculty member at Johns Hopkins University. 

Dr. Plummer is a 40 under 40 honoree from the Center of Leadership and Excellence and an Enterprising Woman of the Year, awarded by TAGG Magazine.

She is passionate, supportive, and driven.