We now offer Covid and antibody testing by appointment only.
Please call to schedule.

Introducing a new partnership with Ideal Protein to support a medically developed ketogenic weight loss and weight management protocol.


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Centra Internal Medicine is an internal medicine clinic serving Sun City, Arizona, and the surrounding communities. With individualized treatment plans that incorporate each patient’s medical history, health status, and goals, the team at Centra Internal Medicine works tirelessly toward optimal results with the latest treatments and technologies.

Manish Sahni, MD, is the leading doctor at Centra Internal Medicine. He and his team listen to each patient’s needs and preferences with unmatched compassion and care. From general, regular examinations to rigorous advanced treatment for chronic diseases, they educate and coach each patient throughout their time at Centra Internal Medicine. Because of this, the patient and their family act as key decision-makers in their own care.

In addition, Centra Internal Medicine offers several of the latest technologies in aesthetic and general medicine. With SculpSure®, TempSure®, joint injections, and advanced testing for allergies, patients leave treatment feeling confident and prepared to overcome life’s obstacles.

Whether you’d like to lose weight, improve your joint functioning, control your high blood pressure, or check in with Dr. Sahni on your health, call Centra Internal Medicine or use the online booking tool to make your appointment.

Our Type of Services

What we offer


Why Choose Us?

 - Each patient receives quality care and an individualized treatment plan

- The practice incorporates the latest technology in the market, including SculpSure
- Dr. Sahni provides continued healthcare and sees patients in the hospital



    SculpSure treatments help you safely reduce stubborn fat in problem areas such as the belly, love handles, back and thighs -- with a treatment plan that is customized to the results you desire.

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  • Introducing TempSure Envi, a gentle new radiofrequency treatment that minimizes facial fine lines and wrinkles, tightens skin* and improves the appearance of cellulite. It’s safe for all skin types and levels of sun exposure, so it fits perfectly into any beauty maintenance routine, any time of year. Welcome to a simpler way to maintain beautiful skin.

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Choose Your Provider

Accepted Insurance

We accept most major insurance plans. If you do not see your plan listed, we may still accept your insurance. Please call the office to verify.

Arizona Foundation for Medical Care
Beech Street
Blue Cross Blue Shield
Bridgeway Health Solutions
Choice Care Network
Coventry / First Health (Assurant)
Fortified Provider Network
Galaxy Health Network

Words from our patients

  • My family and I love Dr.Sahni . Thorough. Intelligent. Friendly and professional . Helped with every need I had.

    Anthony T.
  • I've known Dr. SAHNI MANISH & his staff for quite sometime and they've always been great to their patients. My daughter had a wonderful experience with her first visit

    Sarah A.
  • I really like Dr. Sahni, since he moved into a private office he has really stepped up when it comes to having the time to be personable.

    Kim M.
  • Heather was just so very nice, caring and professional. I have pretty severe anxiety with medical professionals, but she kept me at ease.

    Brandy D.
  • Heather cares about you. She has treated my husband and me so kindly. We are very happy with Heather.

    Wendi H.
  • Love, love, love her. Took her time, asked questions, never made me feel weird or uncomfortable. Best medical professional I've seen in years.

    Luke R.
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