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Alma Estell, MSW

Social Worker I am a provider at our Alexandria clinic who provides therapy services in-person and via telehealth. I want to encourage personal growth and…

Abigail Vandivier, LPC

Licensed Professional Counselor I am a provider at our Reston clinic who provides therapy services in-person and via telehealth. My goal is to help clients…

Jiyah Stewart, LMSW

Licensed Master Social Worker Jiyah Stewart is a provider at our Bowie clinic who provides therapy services in-person and via telehealth! With a B.S. in…

Brittany Tokash, LPC-R

Licensed Professional Counselor – Resident I am a provider at our Reston clinic who provides therapy services in-person and via telehealth. My experiences range across…

Lena Steinberg, MFTR

I am a provider at our Reston clinic who provides therapy services in-person and via telehealth. I work from a strengths-based, person-centered perspective which lets…

Amanda Lindsay, LMSW

Licensed Master Social Worker My name is Amanda and I am a provider at our Bowie clinic who provides therapy services in-person and via telehealth!…

Maureen Diezman, PMHNP

Psychiatric Mental Health Nurse Practitioner I am a provider at our Aldie clinic who provides psychiatry services in-person and via telehealth! I enjoy working with…

Rebecca Morrill, PMHNP

Psychiatric Mental Health Nurse Practitioner Rebecca Morrill is a provider at our Aldie clinic who provides psychiatry services in-person and via telehealth! Rebecca has worked…

Brenda Bandong, LCSW

Licensed Social Worker I am a provider at our Alexandria clinic who provides therapy services in-person and via telehealth! I have many years of clinical…

David D. Riley, LCSW

Licensed Clinical Social Worker | Clinic Director David Riley, LCSW serves as the Clinical Director for Columbia Associates’ Arlington office. David is a compassionate and…