Medical Weight Loss Clinics in Ontario
Quick answer
There are 4 weight loss clinics listed in the Ontario area. The highest-rated of them is Serenite Wellness Medicine (5★ from 34 Google reviews). No clinic listed here publishes a price. Directory-wide, monthly programs run $10–$1,200/month (357 of the 4273 clinics listed). Telehealth options are available for patients who prefer online care.
Tap a pin on the map to open that clinic's profile, or compare the full listings below it.
Area map
Ordered by Google rating, then by how many reviews it is based on.
More weight loss options near Ontario
147 more clinics in 33 nearby towns within 25 miles of Ontario. A short drive can mean more choice, better pricing, or an earlier appointment.
- Upland4 clinics
- Montclair1 clinic
- Chino4 clinics
- Rancho Cucamonga28 clinics
- Claremont2 clinics
- Pomona5 clinics
- Chino Hills3 clinics
- La Verne3 clinics
- Eastvale1 clinic
- Diamond Bar1 clinic
- Mira Loma1 clinic
- San Dimas3 clinics
- Jurupa Valley1 clinic
- Norco3 clinics
- Fontana9 clinics
- Glendora1 clinic
- Corona20 clinics
- Yorba Linda1 clinic
- Rialto6 clinics
- Riverside21 clinics
- West Covina1 clinic
- La Puente1 clinic
- Brea1 clinic
- Colton3 clinics
- Fullerton3 clinics
- Monrovia1 clinic
- San Bernardino9 clinics
- Anaheim3 clinics
- Orange1 clinic
- Arcadia1 clinic
- Whittier1 clinic
- Loma Linda2 clinics
- Tustin2 clinics
Frequently Asked Questions — Medical Weight Loss in Ontario
How much does Weight Loss cost in Ontario?
No clinic listed here publishes a price. Directory-wide, monthly medical weight loss programs run $10–$1,200/month (357 of the 4273 clinics listed). Use our free cost calculator for a personalized estimate.
Are there board-certified doctors for Weight Loss in Ontario?
Many clinics in Ontario are physician-led, and the credential pills on each listing show what the clinic itself publishes about its providers — hover any pill for a plain-English explanation. We do not independently verify board certification today, so if it matters to you, verify the specific physician on the free NPPES registry and the relevant specialty board before booking.
Can I get Weight Loss treatment online in California?
Telehealth options are available in most states including California. Online providers typically offer lower prices and home delivery of medications. Filter by "Telehealth available" to see online options.
How do I know if a clinic is legitimate?
Look for the "Verified listing" badge — it means we confirmed this is a real, operating business at a real address, with services matching what the clinic itself publishes. It is not a review of the providers' credentials. Before booking, it is worth checking the physician's NPI number on the free NPPES registry and their state medical license status yourself.
Telehealth options in Ontario, CA
Online care, no travelThese online providers offer medical weight loss care to patients in Ontario and across California — licensed clinicians, home delivery, no office visit required.
Publishes a separate price for every medication it offers
Compounded GLP-1 in oral drops, injectable, and tablet formats
Built around first-time TRT patients
Personalized weight loss with GLP-1 + behavior coaching
GLP-1 weight loss + hormone optimization telehealth
Multi-service cash-pay telehealth for weight loss & hormones
GLP-1 and hormone health telehealth with transparent pricing
* This site may earn a referral fee from online providers. This does not affect our rankings or your cost.