The River Source - 12 Steps Holistic Drug & Alcohol Treatment Center
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Dr. Walmer

Medical Director
Dr. Walmer Medical Director
Dr. Mark Walmer has a passion for treating people with chemical dependency. He has education and vast experience to address all types of chemical addictions. One of Dr. Walmer's goals is to have people live a life free of chemical dependency. Certifications: American Board of Internal Medicine, diplomate, Certificate No. 113415; American Board of Addiction Medicine (formally American Society of Addiction Medicine); American Society of Addiction Medicine, Certified Addictionologist, Certificate No. 005069; National Board of Medical Examiners, Diplomate, Certificate No. 299132 Training: St. Joseph’s Hospital and Medical Center, Phoenix, AZ., Medical Degree from Medical University of South Carolina, Charleston, SC. Specialty Areas: Internal Medicine; Addicationology. Other areas of expertise are: Preventive medicine, Hypertention, Hypercholoesterolemia, Diabetes mellitus Professional Associations: East Valley Internal Medicine, PC, President; Integra Physicians Network, President; Medical Director, Chemical Dependency Intensive Outpatient Program, St. Likes Behavioral Health Center; American Society of Addiction, Member; Former Medical Director (2000-2003), Chemical Dependency Program (Inpatient), St. Luke’s Hospital; Former Medical Director, Chemical Dependency Intensive Outpatient Program, Samaritan Behavioral Health Center; Former Medical Director(1991-1998), Chemical Dependency Intensive Outpatient Treatment Program, Charter Hospital of the East Valley and Charter Desert Vista. Licensure: Arizona Medical License No. 15974 DEA License

Testimonials Dwne erro

" Well, I had an ultimatum to be homeless or get help. I was restless, irritable and discontent all the time. I couldn’t live or die. My parents found the River Source on line and wanted something out of state. My experience at the River Source was what I needed. My counselor helped me work through my problems and the fellowship was amazing. The staff was very helpful, Rusty and Sharmyn are very good at what they do. The River Source helped me learn how to grow more spiritually fit everyday and..."
Tyler K. - May 2010
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Meet Our Staff

Dr. Fred Arnold Natturopathic Medical Doctor
Dr. Fred Arnold
Naturopathic Medical Doctor
Dr. Dave Arneson Naturopathic Medical Doctor
Dr. Dave Arneson
Naturopathic Medical Doctor
Dr. LaCoss N.M.D.
Dr. LaCoss
N.M.D.
Liz Martin Vice President of Operations
Liz Martin
Vice President of Operations
Jenny Cilwa - Clinical Director Casa Grande
Jenny Cilwa
Clinical Director - Casa Grande
Dr. Walmer Medical Director
Dr. Walmer
Medical Director