A quiet practice, opened patiently.
Stillwater is a new wellness and aesthetics practice in Midland — built around a single idea: that medical-grade care can be unhurried, transparent, and calibrated to the person sitting across from us.
Aesthetics, wellness, and recovery — under one quiet roof. HOCATT, Aescape, and colon hydrotherapy alongside Xeomin, HydraFacial, and IV therapy. Walnut floors, cream walls, crystal in the chandelier. A Midland practice that takes functional medicine as seriously as it takes aesthetic care, without making you choose between the two.
Three principles we keep close.
Stillwater's service menu is broad — facials and Botox, massage and Aescape, IV therapy and HOCATT, peptides and weight-loss programs. What ties it together is a small set of principles we don't intend to drift from.
Medical-grade is the floor.
Injectables and weight-loss programs are managed under the supervision of our nurse practitioner and medical director. IV drips are compounded for the visit, in a clean room, with documented lot numbers. We don't offer a treatment we can't deliver to that standard.
Quiet over loud.
We borrowed the room from old hospitality — chandeliers, walnut, cream — because the work we do is calm work. The visit is meant to slow you down, not sell you up.
The plan is yours.
We don't bundle people into the same package. A first appointment starts with a reading — of your skin, your history, your goals — and a written plan you take home. Some plans are two visits a year. Some are twelve. The plan is yours, not ours.
Three rooms, one standard.
On-site, in Midland. Plus partners.
Physician oversight from Dr. Charles Harzke, with thirty years of West Texas medicine behind him. A co-founder partner running The Wellness Institute of Dallas. A Family Nurse Practitioner managing peptide, GLP-1, and women's health programs. And two Registered Nurses on the floor in Midland — Kelsey and Karly.
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Dr. Charles Harzke
Medical Director
Dr. Charles Harzke is a board-certified physician with more than 30 years of experience in the medical field. He graduated from Texas Tech University School of Medicine in 1991 and has spent decades caring for patients throughout West Texas. As an experienced obstetrician and gynecologist, Dr. Harzke has dedicated his career to providing compassionate, patient-centered care and maintaining the highest medical standards. At Stillwater Wellness, Dr. Harzke provides physician oversight, helping ensure that every treatment is performed safely, ethically, and with the highest level of medical responsibility.
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Dr. Matt Rayner, D.C.
Co-founder · The Wellness Institute of Dallas
Dr. Matt Rayner, D.C. is the co-founder of The Wellness Institute of Dallas, where he has helped lead one of North Texas’s trusted wellness and functional health practices for more than 12 years. He serves patients locally, throughout Texas, and across the country who are seeking both health optimization and solutions for chronic, complex health concerns. Dr. Rayner is passionate about identifying the root cause of health challenges rather than simply masking symptoms. His work combines chiropractic, functional medicine, functional neurology, and integrative health principles within a fully medically integrated practice dedicated to personalized care.
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Kasey Heintzelman, FNP-C
Family Nurse Practitioner
Kasey Heintzelman is a family nurse practitioner from Wall, Texas. Kasey received both her bachelors and masters degrees from Texas Tech University. Kasey has been in the wellness industry for 10 years. Kasey has experience in treating patients of all ages, and specifically has a love for women’s health and weight loss.
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Kelsey Roberts, RN
Registered Nurse
Kelsey Roberts is a Registered Nurse with seven years of experience in healthcare and a passion for aesthetics and wellness. She is dedicated to helping clients look and feel their best through personalized care that supports overall health and confidence. Kelsey believes that true wellness comes from feeling good both inside and out, and she is committed to creating a relaxing, supportive environment where clients can prioritize self-care and achieve their wellness goals.
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Karly Slough, RN
Registered Nurse
Karly Slough is a Registered Nurse with more than seven years of experience in cardiology, intensive care, and behavioral health. She brings a strong clinical foundation and an unwavering commitment to patient safety, compassionate care, and exceptional outcomes. With a passion for aesthetics, wellness, and holistic health, Karly believes in enhancing natural beauty while supporting overall well-being. Her approach centers on personalized treatments designed to help clients look and feel their best. By combining medical expertise with an artistic eye, she focuses on delivering subtle, natural-looking results tailored to each client’s unique goals.
Every visit, the same shape.
Whether you're booking a first consultation or a tenth Botox visit, the appointment follows the same outline. It keeps the rigor honest and the work consistent.
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Intake
Health history, medications, what brought you in. We ask, you tell us, we read it carefully.
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Conversation
Time with your provider. Unhurried. Phones on silent. Questions encouraged.
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Assessment
A written plan with transparent pricing. You take it home or we proceed — your call.
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Treatment
Performed by a licensed clinician under appropriate supervision. Doses, lots, and timing documented.
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Follow-up
Two-week complimentary check on injectables. Tuning visit at the right interval — never an upsell.
The short version.
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01 Which services can I book online right now?
Online booking is currently live for Xeomin (neurotoxin), IV therapy, infrared sauna, HOCATT, and colon hydrotherapy. Everything else on the menu is available — please call (432) 777-9355 to schedule, and the rest of the menu will move to online booking shortly.
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02 Is a consultation required before my first visit?
For peptides, weight-loss programs, and most injectables — yes. New aesthetic and wellness patients complete a brief intake before treatment begins, and many appointments include a complimentary 2-week follow-up.
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03 When should I arrive?
We recommend arriving 15–30 minutes early so you can settle in, complete intake forms, and start your appointment without rushing.
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04 What is your cancellation policy?
We ask for at least 24 hours' notice on cancellations. Late cancellations or no-shows are charged 50% of the scheduled service fee.
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05 Do you serve patients under 18?
Most services are 18+. Younger guests may be seen with a parent or legal guardian present and consenting at the appointment.
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06 How are gift certificates handled?
Gift certificates are non-refundable but transferable. Service prices may change; certificates remain valid for the dollar amount on the card.
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07 Should I tell you about medical conditions when scheduling?
Yes — please disclose pregnancy, recent surgeries, allergies, and any medications when you book. It helps us choose the right protocol and the right room.
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08 Is tipping expected?
Tips are at your discretion and always appreciated, never expected.
Book a visit.
New patients welcome. We'll review what brought you in, recommend the right room, and get you scheduled — by phone, online, or in person at the front desk.