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Our compassionate, multidisciplinary staff helps clients replace destructive behaviors with self-affirming, healthy actions. In our environment of warmth, positive regard and respect, clients have frequent opportunities to connect with staff members and peers who facilitate the process of growth and change. Speak Confidentially with a Ranch Recovery Advisor at 844-876-8685.
Christopher Davis

Christopher Davis D.O. CAADC, Diplomate of ABAM

Medical Director

Dr. Davis is board certified in addiction medicine, a diplomate of The American Board of Addiction Medicine, and a member of The American Society of Addiction Medicine. He is also a Certified Advanced Alcohol and Drug Counselor through the Pennsylvania Certification Board (PCB). Dr.  Davis  has a bachelor’s degree in electrical engineering, is a graduate of Southeastern College of Osteopathic Medicine, and completed a four-year internal medicine and pediatric residency at Geisinger Medical Center. During his last year of residency, Dr. Davis was the chief med-peds resident.

Initially  board certified in internal medicine and pediatrics in 1994, Dr. Davis has exclusively practiced addition medicine and addiction counseling since 2002. He has extensive inpatient and outpatient treatment experience and has been the medical director for several treatment facilities. Dr. Davis has a passion for teaching and was an adjunct professor for Millersville University, developing and teaching both a graduate and undergraduate course on addiction and addiction counseling. Dr. Davis does several trainings a year for the PCB and he was a test question writer for the national Certified Advanced Alcohol and Drug Counselor examination. Dr. Davis also does trainings for a pharmaceutical company on the use of opiate antagonist therapy for opiate and alcohol dependency. Previously a consultant for the local drug court program, Dr. Davis understands the importance of treatment in those involved in the criminal justice system.

Marie NixonMarie Nixon, MA

Executive Director

Marie brings over 20 years of leadership experience in behavioral healthcare and addiction treatment to The Ranch Pennsylvania dual diagnosis and drug rehab. Prior to joining us, she served as CEO for two prominent addiction treatment centers and held a number of executive roles in mental health programs. Marie has overseen finances, operations and employee training in psychiatric and substance abuse inpatient and outpatient programs. She has helped many client populations get the help they need to recover from addiction and mental health issues including active duty military, veterans, geriatric clients, sex offenders and people suffering from acute psychiatric disorders. Marie received a master’s degree in community counseling from the College of New Jersey and has specialized training in business administration.


Patricia Shaffer, LCSW

Clinical Director

Patsy is a licensed clinical social worker who has over 17 years of clinical experience in the behavioral health field. Prior to joining The Ranch Pennsylvania, she was the Program Director for Mental Health Services at a well-respected outpatient behavioral health facility in Maryland. Patsy brings a wealth of knowledge from her work with adolescents, families and adults, many of whom have co-occurring disorders. She has extensive experience in working with addictions, as well as a wide range of mental health issues. Patsy has provided administrative oversight to numerous therapy programs, as well as supervision and training to clinicians and other staff members. She is also a certified trainer, supervisor and therapist in Brief Strategic Family Therapy (BSFT). Patsy received a bachelor’s degree from Western Maryland College and a master’s degree in social work from the University of Maryland.

Christopher Shar, MSW

Primary Therapist

Christopher is a certified advanced counselor for drug and alcohol treatment and is currently completing a Ph.D. program in clinical social work. He holds master’s degrees in communications and social work and has counseled clients with mental health and substance abuse issues since 2007. Christopher has extensive experience working with adolescents struggling with addictions and co-occurring mental health disorders and has authored and co-authored several academic papers and posters on the topic.  His research interests include addiction treatment, adolescent substance abuse, compassion fatigue, secondary traumatic stress, spiritual development and the 12-step approach to addiction treatment with a focus on the importance of integrating spirituality with cognitive, behavioral and social learning theoretical approaches. Prior to joining The Ranch Pennsylvania, Christopher worked as an addictions counselor at Caron Treatment Center, an inpatient substance abuse rehabilitation facility.

Tara Cooke, RN, MS, ACSM CEP

Nursing Supervisor

Tara Cooke has 10 years of healthcare experience working as a critical care registered nurse and a clinical exercise physiologist. She holds a master’s degree in clinical exercise physiology and a bachelor’s degree in exercise physiology from East Stroudsburg University of Pennsylvania. After spending four years working as a clinical exercise physiologist in cardiopulmonary rehabilitation, Tara felt inspired to become a registered nurse. She received her nursing degree from the Community College of Baltimore County and holds a Clinical Exercise Physiologist certification from the American College of Sports Medicine. Tara supervises the nursing staff and teaches our clients about exercise and leading a healthy lifestyle. She is passionate about furthering her education in the substance abuse and mental health field and is currently enrolled in the MSN-Psychiatric Mental Health Nurse Practitioner Program at Walden University.

LetitiaLetitia Covaci, MD


Dr. Covaci has over 25 years of psychiatric and medical experience. During her career, she has served as medical director for both outpatient and inpatient psychiatric facilities, helping clients with mental health and substance use issues. She has also worked in emergency psychiatric departments and nursing homes and was chief resident for the department of psychiatry at Ohio State University. Dr. Covaci received a Doctor of Medicine, cum laude, from the Carol Davila University of Medicine and Pharmacy in Bucharest, Romania. She is also a member of the American Psychiatric Association, American Medical Association and the Geriatric American Psychiatric Association. Dr. Covaci says it’s rewarding to be part of a team that helps people change their lives.

Katrina Mooney, LPN

Director of Nursing

Katrina oversees the nursing department at Brightwater Landing. She has been with Brightwater Landing since 2015. Prior to joining our team, she worked at a residential group home with patients receiving court-ordered care. In addition to managing our nursing team, Katrina conducts CPR certifications for all staff. Katrina became a licensed nurse practitioner in 2006. She will complete her associate degree in nursing in December 2017.

Mandy May

Residential Coordinator

Mandy is a certified recovery coach who oversees the residential technicians at The Ranch Pennsylvania. Mandy and her staff work on the front lines at The Ranch Pennsylvania, helping with everything from general facility and client support to facilitating daily intention and wrap-up groups.

Prior to joining The Ranch Pennsylvania, Mandy worked as house manager for Clarity Way drug rehabilitation center. There, she oversaw a team of technicians, conducted facility tours and spearheaded an aftercare program. Mandy is very active in the recovery community and draws upon her own recovery experiences to provide compassionate, empathetic care for our clients.

Ryan SachseRyan Sachse

Adventure Program Coordinator

Ryan brings diverse experience in program coordination, outdoor recreation and mental health treatment to The Ranch Pennsylvania. After earning a bachelor’s degree in recreation administration and management with a concentration in psychology from York College, Ryan began his career at Baltimore County Parks and Recreation. He then transitioned into a role at a residential treatment center where he developed three alternative therapy programs including a low ropes course, a horticultural therapy program and a pet therapy program. For eight years, he combined his experience in recreation skills and addiction treatment to help families reconnect and heal through in-home family therapy.

Ryan is a certified Level 2 Archery Instructor and is both Safe Sports and Range Pass certified. He develops one-of-a-kind archery programs, helping individuals learn to “let go” of their past and develop mindfulness skills. Ryan’s diverse background in outdoor recreation and mental health services complements the unique, adventure-based approach to treatment at The Ranch Pennsylvania.

Cristina KoelschCristina Koelsch, LPC

Primary Therapist

Cristina brings a valuable blend of mental health and case management experience to our clinical team. Prior to joining The Ranch Pennsylvania, Cristina supervised case managers treating clients with mental health and substance abuse issues. She has provided outpatient therapy to individuals and families struggling with addiction and mental illness and has extensive crisis management and assessment and intake experience. Cristina earned a bachelor’s degree in human development and family science from Ohio State University and a master’s degree in community counseling from the University of Dayton.

Meghan SullivanMeghan Sullivan, MS

Primary Therapist

Meghan earned a bachelor’s degree in neuroscience psychology from Pennsylvania State University and a master’s degree in clinical psychology from Millersville University. She completed her internship as a dual diagnosis therapist in an intensive outpatient program at Retreat of Lancaster County, providing her a diverse view of treatment from multiple levels of care. Meghan also worked as a research assistant at Pennsylvania State University where she was a team member of the FaMILY Study, researching the didactic parent-child relationship in families characterized by the trauma of physical and emotional abuse or neglect and abandonment. Meghan provides individual and group therapy at The Ranch Pennsylvania drug rehab, focusing on topics such as spirituality, codependency, trauma, the 12 steps and mindfulness.

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confidential assessment.


Helpful Articles

Addiction Is Not Just a Young Person’s Disease

A retired airline pilot. A teacher’s aide. An executive. An attorney. A plumber. A grandmother who provides childcare for her grandchildren. What do all of these people from divergent walks of life have in common? They are all over 50, facing addiction and have engaged in treatment. Each sought recovery for various reasons, which included family coercion, legal complications, health matters, loss of job, change in living situation and personal preference.

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Our caring advisers guide clients and their loved ones through the admissions process and attend to every detail so they can focus on recovering. Call 844-876-1697 or complete the form below.

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