Jeri Stegman, MA, MFTI, RAS
Clinical Director

Ms. Stegman has worked in behavioral health for over 25 years in both inpatient and outpatient settings. In addition to providing substance abuse counseling for many years, she has worked as a senior manager at a leading behavioral healthcare nonprofit organization, where she managed several criminal justice, adolescent treatment, and women’s programs, along with a federally funded adolescent substance abuse prevention program. She has developed and directed innovative and intensive outpatient programs that treat substance abuse and co-occurring mental health disorders. Ms. Stegman has been a behavioral health accreditation surveyor with CARF International for several years, and is the principal and founder of JS Consulting, which provides accreditation consulting services to organizations seeking CARF or JCAHO accreditation.

Daniel Smeester, MD
Chief Medical Director

Dr. Smeester is certified by the American Board of Emergency Medicine and the American Board of Addiction Medicine. He founded Diablo Valley after spending many years in hospital emergency rooms treating people suffering from chemical dependencies.

A graduate of California Lutheran University in Thousand Oaks, California, Dr. Smeester obtained his medical degree at Ponce Health Sciences University in Puerto Rico and served his residency in emergency medicine through New York Medical College, where he earned distinguished awards of excellence and was named chief resident. As an owner and lover of horses, Dr. Smeester is particularly interested in using equine therapy as an addiction management tool.

Jeri Stegman, MA, MFTI, RAS
Clinical Director

Ms. Stegman has worked in behavioral health for over 25 years in both inpatient and outpatient settings. In addition to providing substance abuse counseling for many years, she has worked as a senior manager at a leading behavioral healthcare nonprofit organization, where she managed several criminal justice, adolescent treatment, and women’s programs, along with a federally funded adolescent substance abuse prevention program. She has developed and directed innovative and intensive outpatient programs that treat substance abuse and co-occurring mental health disorders. Ms. Stegman has been a behavioral health accreditation surveyor with CARF International for several years, and is the principal and founder of JS Consulting, which provides accreditation consulting services to organizations seeking CARF or JCAHO accreditation.

Daniel Smeester, MD
Chief Medical Director

Dr. Smeester is certified by the American Board of Emergency Medicine and the American Board of Addiction Medicine. He founded Diablo Valley after spending many years in hospital emergency rooms treating people suffering from chemical dependencies.

A graduate of California Lutheran University in Thousand Oaks, California, Dr. Smeester obtained his medical degree at Ponce Health Sciences University in Puerto Rico and served his residency in emergency medicine through New York Medical College, where he earned distinguished awards of excellence and was named chief resident. As an owner and lover of horses, Dr. Smeester is particularly interested in using equine therapy as an addiction management tool.