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Team North Bethesda



Our North Bethesda team is a highly experienced, dedicated team with a passion for working with teens and young adults. They are fully committed to our mission of helping young people recover from substance abuse and live happy, healthy lives.

Our Leadership Team

Dianna Sandoval, LPC, LAC
Executive Clinical Director

Dianna has over 20 years of clinical experience working with adolescents and young adults, and has a Masters of Arts in Psychology from Regis University. 

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William Lawson, MD
Medical Director, North Bethesda

William Lawson serves as the Medical Director for Sandstone Care's North Bethesda facility. 

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Kevin Barwick, LCPC-S
Program Director, North Bethesda

He has graduate and post-graduate degrees and training in Mental Health from the University of Maryland and Bowie State University.

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Our North Bethesda Clinical Team

Jon Judge, LCPC, NCC
Primary Therapist, North Bethesda

Jon Judge is a Licensed Clinical Professional Counselor and works as a young adult therapist at Sandstone Care.

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Peter King, LCPC
Primary Family Therapist, North Bethesda

Peter currently serves as a Primary Family Therapist at Sandstone Care's Bethesda, Maryland location.

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Meg Wainwright, LPC
Assessment & Intake Coordinator, North Bethesda

Meg is currently the intake and assessment coordinator for Sandstone Care.

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Nina Davachi, LGPC
Primary Therapist, North Bethesda

Nina is a Licensed Graduate Professional Counselor.

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Sherry McAtee, MHA, MS, BSN, RN, CRNP-PMH, PMHNP-BC, FACCP, MAJ (RET) USAF
Psychiatric Nurse Practitioner, North Bethesda

Sherry is our team’s Psychiatric Nurse Practitioner, with 32 years experience in healthcare.

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Aaron Gawronsky
Residential Manager, Rally Point Rockville

Aaron is a residential manager at our men’s sober living house in Rockville, MD.

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Charlene St. Jean, MA
Academic & Vocational Specialist, North Bethesda

Charlene has over 25 years of experience has an educator.

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Our North Bethesda Admin Team

Drew Powers, CAI-II, CSAC-A
Admissions & Business Development Manager, All Locations

A native of Northern Virginia, Andrew started his career in the behavioral health field just one year into his personal recovery from addiction.

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Luke Mattey
Accounting & Human Resources Associate

Luke began with Sandstone Care as an outreach ambassador, but is now serving as an accounting and human resources associate. 

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Kelly Swann
Admissions Coordinator, All Locations

Kelly is an Admissions Coordinator for Sandstone Care in the North Bethesda office.

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Jessica Jeffery
Clinical Outreach Ambassador, Greater Washington DC Area

Jessica Jeffery is a Montgomery County native, born and raised in Germantown, MD.

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Priscilla Gonzalez, MA
Admissions Coordinator, All Locations

Priscilla currently serves as an Admissions Coordinator across all locations. She is the first point of contact for families and clients reaching out to Sandstone Care for support.

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Chelsea Burdette
Admissions Coordinator, All Locations

Chelsea currently serves as an admission coordinator across all of Sandstone Care's locations.

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Tim Baker, CACI
Admissions Coordinator, All Locations

Tim currently services as an admissions coordinator and the first point of contact for the families that reach out to us at Sandstone Care.

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Rachel Ham
Admissions Assistant, All Locations

Rachel currently serves as an admissions assistant for all our locations. 

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