Surprise, AZ · medical provider supervised

Testosterone therapy in Surprise, AZ — built around your biology.

Restore energy, strength, focus and drive with medical provider-led testosterone therapy — for men across Surprise and the greater Phoenix area.

★ Google reviewsOn-site labsIndividualized dosingOngoing monitoring

Testosterone levelin optimal range
LowOptimal range

Therapy dosed to your own labs — and monitored to keep you in range.

★★★★★Trusted by men across the Phoenix metroSurpriseSun CitySun City WestEl MirageLitchfield ParkPeoriaGlendaleGoodyearAvondaleBuckeyePhoenixNorth PhoenixAnthemParadise ValleyScottsdaleCave CreekTempeMesaChandlerGilbertQueen Creek

The signal

The signs of low testosterone are easy to dismiss.

Low testosterone creeps in. If several of these sound familiar, a simple lab panel is the place to start.

Energy crash

Persistent fatigue and afternoon burnout.

Low drive

Reduced libido and flagging motivation.

Lost strength

Muscle and grip slipping despite the gym.

Brain fog

Trouble focusing and a duller edge.

How it works

How TRT works, in three lab-driven steps.

We don’t guess. Your plan starts with bloodwork and is adjusted over time until you reach your goal.

Step 01
Step 01

Sign up online

Fill out the new patient packet on this site to get started.

Step 02
Step 02

Consult and on-site labs

Meet your provider for an initial consult. Bloodwork is drawn in-office, and based on your results and health history, treatment may begin.

Step 03
Step 03

Follow up to your goal

Check in regularly so your provider can review your personalized plan and adjust it until you reach your goal.

Why precision

Why a monitored TRT clinic gets better results.

Safe, lasting results come from measuring, dosing, and monitoring — care led by a provider who knows you. We also offer medical weight loss.

On-site labs

Bloodwork drawn in our Surprise office — no scavenger hunt to get started.

Dosed to your data

Your protocol is built from your results, not a flat package.

Ongoing monitoring

We track hematocrit, PSA and hormone levels to keep therapy safe.

Provider-led care

Led by Michelle Witzel, NP — the reason patients drive in from across the West Valley.

Understanding low T

What testosterone therapy actually does.

Testosterone is the hormone behind your energy, muscle, libido, drive and mental clarity, and it naturally declines with age. When it drops too low — often called Low-T — it can show up as fatigue, weight gain and trouble losing fat, low libido or erectile dysfunction, mood changes, and loss of muscle and strength.

Testosterone replacement therapy (TRT) restores those levels with medical-grade injections dosed from your own lab values and monitored at every visit — so therapy stays safe and is built around your body, not a flat package.

What changes

What men notice on monitored TRT.

Treated and monitored properly, the improvements tend to build on each other.

More energy and drive

Steadier energy through the day, and the motivation to use it.

Strength and fat loss

Better strength and lean muscle, with body fat that’s easier to manage.

Restored libido

Improved sexual health, libido and confidence.

Sharper focus and mood

Clearer focus and a steadier, more positive mood.

In their words

Why Phoenix-area men trust our testosterone clinic.

James Perkins
Michelle, and crew are amazing! They treat you like part of the family. I have been seen here for about 6 months and have been able to loss about 30 lbs. I ...
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Michelle, and crew are amazing! They treat you like part of the family. I have been seen here for about 6 months and have been able to loss about 30 lbs. I feel great and have the energy of the 25 year old me. Century Health is a big reason why. I strongly recommend this place!
James Perkins
James Perkins
Elizabeth Suckley
These ladies are what healthcare providers should be modeled after, being kind and caring about every client and their own unique needs is why we love coming here. Michelle and ...
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These ladies are what healthcare providers should be modeled after, being kind and caring about every client and their own unique needs is why we love coming here. Michelle and team are incredibly good at what they do. Thank you for always taking care of our family and friends who use your services.
Elizabeth Suckley
Elizabeth Suckley
Melissa Tolson
Michelle and her team are great! They really listen, help you figure out a path to your health goals no matter what they are. Love working with them!
Michelle and her team are great! They really listen, help you figure out a path to your health goals no matter what they are. Love working with them!
Melissa Tolson
Melissa Tolson
Thomas Adams
Michelle Witzel is amazing! I have been 2 other places for help with my trt treatment. I have learned more from Michelle than either of the 2 combined. I can email Michelle ...
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Michelle Witzel is amazing! I have been 2 other places for help with my trt treatment. I have learned more from Michelle than either of the 2 combined. I can email Michelle whenever and get a very timely response and answer any questions with a full and informative answer. She is extremely affordable! Most convenient health care I have ever had! Office is easy to enter and leave. She helped me with maintaining a healthy blood panel and has helped me loose and most importantly maintain my weight! I would suggest Michelle to anyone! Hope it helps to have real patient review
Thomas Adams
Thomas Adams
Travis Suckley
I have been going to see Michelle for a few weeks now and she is an absolute JOY to deal with! She always has great advice for weight loss and ...
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I have been going to see Michelle for a few weeks now and she is an absolute JOY to deal with! She always has great advice for weight loss and has a smile permanently on her face. I recommend everyone to come and see her! She is one of the few medical professionals that live up to the title of PROFESSIONAL.
Travis Suckley
Travis Suckley
Diane Maggi
I have been receiving care with Michelle for over a month now. She is very professional, compassionate, thorough and knowledgeable. Her office staff is fast acting and sweet, especially Jenise. ...
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I have been receiving care with Michelle for over a month now. She is very professional, compassionate, thorough and knowledgeable. Her office staff is fast acting and sweet, especially Jenise. I highly recommend this office for medical care. Thank you for all you do!
Diane Maggi
Diane Maggi
Tammy Knight
Michelle has been my provider for a little over a year. She is amazing!!! She listens to her patients and has a very caring compassionate heart!!! Michelle is professional, knowledgeable ...
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Michelle has been my provider for a little over a year. She is amazing!!! She listens to her patients and has a very caring compassionate heart!!! Michelle is professional, knowledgeable and easy to talk with. I am blessed to have her as my provider!! Anthony is awesome, he is welcoming and caring, greeting everyone with a smile. Michelle and Anthony have turned Century Health Care NP into a wonderful practice the services the community.
Tammy Knight
Tammy Knight
Eric Burden
I have been using Century for years. I absolutely love everyone there and what they do for me. Lou actually cares about my progressions and my health. She has improved ...
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I have been using Century for years. I absolutely love everyone there and what they do for me. Lou actually cares about my progressions and my health. She has improved my life tremendously. Everyone is very welcoming and makes you feel like you matter when you walk in.
Eric Burden
Eric Burden

Good questions

Testosterone therapy questions, answered.

Is TRT safe long term?

For men with clinically low testosterone, TRT is considered safe when it’s monitored by a knowledgeable provider. We run regular lab tests to keep your hematocrit, PSA and hormone levels within healthy ranges throughout treatment.

How soon will I notice a difference?

Many men notice improvements in energy and libido within the first few weeks. Changes in muscle mass and body fat typically develop over three to six months — consistency is what makes the difference.

What does it cost?

Cost depends on your individualized plan. We focus on safe, monitored care — including on-site labs and ongoing oversight — and review your exact pricing during your consultation, with no obligation.

I’m in Gilbert / Tempe / Chandler — can you treat me?

Yes. Our clinic is in Surprise, and we regularly care for patients from Gilbert, Tempe, Chandler, Mesa, Glendale and across the Phoenix metro, with flexible appointment times to make the drive worthwhile.

Ready to feel like yourself again?

It starts with one lab panel. Fill out the new patient form and our team takes it from there.