Arizona Medical Weight Loss
Verified listingAbout Arizona Medical Weight Loss
What is Arizona Medical Weight Loss?
Arizona Medical Weight Loss is a medically assisted weight loss practice serving Phoenix and Mesa, Arizona. Gary Knighton, D.O. is the physician named as the prescriber. Weight loss is the main focus. Its program pairs individualized nutrition and exercise, based on blood type, with prescription medication when Dr. Knighton judges it appropriate. The medications named are phentermine, phendimetrazine, and diethylpropion, which it describes as FDA-approved.
The practice also offers testosterone replacement therapy for men, tirzepatide, B-12 and lipotropic injections, a ketogenic diet, and aesthetic procedures such as Botox, Dysport, and chemical peels. It does not list peptide therapy or a longevity program.
No street address, office hours, or years in practice are published. The phone number is (480) 539-1855. Its Google listing shows a 4.9 rating from 127 reviews, under the category weight loss service.
What does it cost?
It does not publish prices. The first consultation is free. New patients fill out patient forms before their first appointment. For payment, the practice points patients to financing through Credit Care, and it does not say whether it accepts insurance. It does not say whether medication is included in any fee. On membership terms, it says: "Flexible options. No contracts. No pressures." It does not describe how cancellation works.
What should you ask before you book?
Ask who writes the prescription and how often you would see Dr. Knighton in person, since the practice describes him overseeing treatment without explaining the visit schedule. Ask whether medication is part of the program fee or billed on top, and what it costs each month. Ask whether the drug is brand-name or compounded, and which pharmacy fills it.
Ask what lab work, follow-up visits, and tirzepatide follow-up cost. Ask whether any visits can be done by telehealth, and whether the practice accepts insurance or HSA and FSA funds. Ask for the street address and office hours before you drive over. Finally, ask how to cancel and whether a fee applies if you stop early.
Who is it a good fit for?
This is a good fit if you live in Phoenix or Mesa, expect to pay cash or use financing, and want a physician-supervised weight loss program. It is a weaker fit if you need insurance billing, a published price, or a peptide or longevity program. Get the medication and visit costs in writing before you commit.
Sources: arizonamedicalweightloss.com, arizonamedicalweightloss.com/main-weight-loss-services, arizonamedicalweightloss.com/testosterone-replacement-therapy, arizonamedicalweightloss.com/services/weight-loss, arizonamedicalweightloss.com/services, arizonamedicalweightloss.com/patient-services
Services Offered
What we confirmed
Read off Arizona Medical Weight Loss’s own website on 2026-10-10. These are their words, not ours.
- ✓Medical weight loss — listed on their site as “When indicated, Dr. Knighton will monitor and oversee the medical treatment and the use of FDA-approved prescription medications (I.e. phentermine, phendimetrazine, and/or diethylpropion).” source
- ✓Hormone therapy — listed on their site as “Testosterone Replacement Therapy for Men” source