Testosterone & Men's Health
in Park Ridge.
Discreet, lab-based testosterone optimization for men with symptoms of low testosterone — TRT and hormone care led by a dual board-certified physician, delivered through a concierge membership with ongoing, physician-supervised monitoring. Telehealth across Illinois.
100% confidential — your inquiry is private and never shared.
What testosterone optimization is.
Hormone care that starts with your labs, not a sales pitch.
Testosterone is the primary male hormone, and it naturally shifts with age and health. When levels fall low enough to cause symptoms — a condition clinicians call low testosterone (or hypogonadism) — men often notice low energy, reduced libido, trouble with focus and mood, and a loss of muscle or strength.
Testosterone replacement therapy, or TRT, restores testosterone toward a healthy range when symptoms are paired with confirmed bloodwork. Done properly, it is a well-established treatment — but it only belongs with the right diagnosis, a personalized plan, and ongoing monitoring. This page describes hormone optimization in general terms; whether it fits you is a decision your physician makes with you.
For men with symptoms and labs to match.
Discreet, individualized care for adults weighing a quiet, professional path forward.
Men noticing the symptoms
Persistent low energy, reduced libido, trouble focusing, or loss of muscle and strength — symptoms that have lingered and started to affect how you live and work.
Confirmed by bloodwork
Symptoms alone aren't enough. Treatment is considered only when low testosterone is confirmed on labs and your physician agrees TRT is appropriate for you.
How treatment works.
A clear, lab-first path — with a physician alongside you the whole way.
Baseline bloodwork
We start with labs to measure your testosterone and the related markers that tell the full story. The numbers come first.
Confidential consult
A private conversation about your symptoms, history, and goals — and an honest review of whether TRT is the right fit for you.
Personalized plan
When treatment is appropriate, your physician builds a plan around your labs and symptoms — never a one-size-fits-all protocol.
Ongoing monitoring
We re-check labs and adjust as needed, keeping treatment safe, effective, and tuned to how you actually feel over time.
Done safely, or not at all.
The safety of TRT comes from doing it the right way — and keeping watch.
Bloodwork-led, individualized
Every plan begins and continues with labs. Your treatment is built around your numbers and your symptoms — and adjusted as those change.
Physician-supervised throughout
This is medicine, supervised by a board-certified physician — not a subscription that mails you medication and moves on. Ongoing oversight is the point.
Subscription care, privacy by default.
Transparent membership, and information protected the whole way through.
Concierge subscription membership
Men's health is offered as a concierge subscription membership rather than per-visit billing — so care stays continuous, not transactional.
Membership pricing is a placeholder pending the practice — exact pricing confirmed at consult.
Discreet & HIPAA-protected
Private intake, discreet communication, and your information protected under HIPAA. We're built for patients who need privacy and value it.
Why Dr. Oyasu.
Dr. Kenji Oyasu founded ModernMed to deliver care the way it should be — discreet, responsive, and built around the whole person. A University of Illinois–trained physician, he is dual board-certified in emergency and addiction medicine, bringing hospital-grade rigor to a concierge setting.
His philosophy is simple: start with the evidence, meet people where they are, and stay close through the moments that matter most.
Testosterone & men's health, answered.
What are the symptoms of low testosterone?
Common symptoms men describe include low energy or fatigue, reduced libido, trouble with focus or mood, and loss of muscle or strength. These symptoms overlap with many other conditions, so testosterone therapy is considered only when symptoms are paired with confirmed bloodwork and a physician's evaluation.
How do I know if TRT is right for me?
TRT is appropriate for adult men who have both symptoms of low testosterone and lab values that confirm it. The process starts with baseline bloodwork and a confidential consult, and your physician decides whether a personalized plan makes sense for you.
Is testosterone therapy safe?
When it's individualized and physician-supervised, testosterone therapy is a well-established treatment. Safety comes from doing it properly: confirming the diagnosis with bloodwork, tailoring the plan to you, and monitoring labs over time to keep treatment on track.
How does the membership work?
Men's health care is offered through a concierge subscription membership that includes 24/7 physician access and medication management. Membership pricing is confirmed by the practice; exact pricing reviewed at consult.
Will treatment be kept private?
Yes. Intake is private, communication is discreet, and your information is protected under HIPAA. Many of our patients are professionals who need privacy — we're built for it.
Do you offer telehealth across Illinois?
Yes. Much of men's health care can be delivered virtually for patients across Illinois, with bloodwork and in-person visits at our Park Ridge office when clinically needed.
Feel like yourself again,
the right way.
No pressure, no judgment — just a confidential conversation about your symptoms and what your labs show.
In an emergency, call 911. For mental-health or suicide crisis support, call or text 988 (the Suicide & Crisis Lifeline) anytime.