meet our team

Our team has over 100 years of combined experience at every level of addiction care.

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MARK D. MILLER, DNP

Acute Care Nurse Practitioner
https://www.linkedin.com/in/markdmillerdnp/

Nurse practitioner Mark D. Miller is a board-certified DNP with expertise in acute care, post-acute care, and addiction medicine. Backed by more than 25 years of healthcare leadership, he is active in education and advocacy on the national level.

KRISTI MEACHAM, PMHNP

Psychiatric Nurse Practitioner

Native Nashvillian Kristi Meacham has practiced as a PMNHP since 2021. She has broad experience in education, criminal justice, and mental health care in multiple Nashville healthcare systems.

LEAH LIMA, PMHNP

Psychiatric Nurse Practitioner

https://www.linkedin.com/in/leah-lima-372029380/

Nurse practitioner Leah Lima has been practicing as a board-certified PMHNP since 2022, building on 25 years of psychiatric RN experience. She leads the education and training curriculum.

LAUREN GRUDE, WHNP

Women’s Health Nurse Practitioner

https://www.linkedin.com/in/lauren-grude-780682271/

Nurse Practitioner Lauren Grude has a background in women’s health, but dedicated her career to addiction care starting in 2016.

CHRIS KROMER, MD

Physician

Generalist Chris Kromer brings over 25 years of primary care experience with a passion for helping those with addictive disorders. He has practiced in inpatient and outpatient addiction treatment settings since 2020.

ROY ASTA, MD

Psychiatrist

Board-certified psychiatrist Roy Asta brings over 20 years of experience working in Nashville including the Meharry, Vanderbilt, Ascension, and HCA Tristar systems.

MICHAEL HAYOUN, MD

Physician & Chief Medical Officer
https://www.linkedin.com/in/michael-hayoun-md-mphil-7520a96

The Chief Medical Officer of Icarus was born and raised in New Jersey. His education includes the Northeastern US, England, and California. He is triple-board-certified in emergency medicine, medical toxicology, and addiction medicine.

JACOB RADFORD, MD

Physician, founder, and CEO
https://www.linkedin.com/in/jacob-radford-b560401a7

The founder and CEO of Icarus has practiced as an emergency room doctor since 2010, and addiction physician since 2020, with board certification in both specialties. The failures he saw in the ER motivated him to create a better system, so he founded Icarus Addiction Care in 2022.

JANINE ARCHULETA

Clinic Manager

https://www.linkedin.com/in/janine-archuleta-98738a380/

Clinic manager Janine Archuleta has been working in patient care and administration of addiction practices since 2015. She’s the smiling face most patients see when they enter our door.