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847 Parchment Drive, Suite 105, Grand Rapids, MI 49546

Thrive Center for Health

Our Team

Thrive’s Core Values

Delivering alternative treatments to ease human suffering through integrative care

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Compassionate

We meet patients where they are in their healing process and provide empathetic care.

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Approachable

We actively listen to both our patients and coworkers, and are open to communication.

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Inspiring

We inspire each other and our patients to keep going.

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Dedicated

We love what we do, and are all here to provide better patient care/experiences.

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Authentic

We are each truly ourselves and allow others to do the same.

What Makes Thrive Unique

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Peaceful Environment

Our office is surrounded by nature.

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Integrative Care

Numerous ways to helps patients (well rounded service).

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Psychedelic Interventions

Knowledgeable in the psychedelics industry and have a proven team for it.

Our Team

Dr. Drumm

Dr. Drumm, Medical Director

Dr. Drumm is a General Psychiatrist who completed his residency training at the University of Texas Health Science Center at San Antonio – during which he engaged in clinical research with Ketamine, evaluating its utility in the treatment of Psychiatric disorders.

Dr. Drumm has experience in treating mental health conditions in children, adolescents, adults and geriatric patients.  Over the years he has been a professional speaker in pharmacology, pharmacogenomics and has trained multiple mental health professionals.

He possesses a special interest in Bipolar Disorder, Post Traumatic Stress Disorder (PTSD), ADHD, Autism Spectrum Disorders, Sports Psychiatry, Psychosomatic Medicine, Psychopharmacology and Treatment-Resistant Depression.  Dr.Drumm is passionate about his profession and is proud to provide leadership at Thrive Center for Health.

Celeste

Celeste Kreger, MSN, CRNA

Celeste Kreger is a Certified Registered Nurse Anesthesiologist. She received her BSN from Ferris State University and her MSN from Case Western Reserve University. Prior to graduate study, her 5 years of nursing experience included general medical, post anesthesia care and critical care. Celeste has been published in Nursing Journal, Journal of Neuroscience Nursing and Nursing Management.

Celeste has been a ketamine provider with Thrive Center for Health since 2018. She is a member of The American Society of Ketamine Physicians, Psychotherapists, and Practitioners (ASKP3). Her ketamine educational training includes annual ASKP3 conferences and ongoing continuing education.

Their mutual goal of providing outstanding care and compassion for all patients led to the desire to work together in caring for patients who could benefit from ketamine therapy. Celeste’s background as a bedside nurse and as an anesthesia nurse have provided her with a unique perspective on caring for patients.

In addition to working with Thrive Center for Health, Celeste also provides anesthesia in outpatient and office-based settings.

Mark

Mark Varney, LMSW

Interim Group Therapist

Kari psych nurse practitioner

Kari Hoffius, PMHNP

My name is Kari Hoffius, and I am proud to call Spring Lake, Michigan my hometown. Family has always been important to me, growing up with two little sisters and a younger brother. Now, as a mother to my one-year-old daughter, Xenia, I find pure joy and purpose in watching her learn and grow!

Alongside the challenges of nursing, I also find solace in weightlifting and conditioning, practices that help me navigate the stresses of life.

Graduating from Baker College with my BSN in 2018 was a milestone that opened doors to diverse nursing experiences. From serving as a cardiac nurse in Hawaii to embarking on travel nursing adventures, each role has shaped my professional path. I believe mental health is incredibly important, and through the use of ketamine therapy, I look forward to helping our patients through their mental health challenges. I am excited to embark on this new chapter of making a positive impact in their lives.

Ericka

Erika , RN

Erika has been a nurse for eight years, and started in the clinic in 2022. She loves lending support to individuals as they navigate their unique circumstances. She joined the clinic to continue making a positive impact on people’s lives. Her fun fact is that she recently learned to scuba dive!

Kim

Kim , RN

Kim has been a nurse for 22 years, and she started working at the clinic in 2022. She enjoys working at the clinic because she has a passion for helping people live a healthier life, and she enjoys the difference she is making in others lives at the clinic. Her fun fact is that she Youngest of 7, and she grew up in Ohio, and she loves to Travel.

Brooke fletcher rn

Brooke Fletcher, RN 

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Julie Jackson, RN 

Allie

Allie, RN

Katelyn

Katelyn, Administrative Assistant

Katelyn is our administrative assistant at Thrive Center for Health. Katelyn attended Western Michigan University, initially focusing on speech pathology, later changing her major to family studies. She is still focusing on continuing her education. Her bubbly personality and contagious smile is usually the first thing you see when you enter our office. She is always here for our patients to share compassion, optimism, and kindness. She is a passionate advocate within the mental health community and strives to support and uplift those who struggle with mental health or chronic pain.

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Melissa Kreger, Business Manager

Melissa graduated from Michigan State in May of 2022, since then she has taken on the role as Thrives business manager. Thrive means a lot to her, getting mental health care to those who need it most has proven to be a strong passion of hers. Joining the Thrive team has allowed Melissa to grow in the space of mental health and she is elated to be here, and be an advocate for everyone. Her fun fact is that she played 10 years of travel softball white growing up.

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