Locations - Chaparral Medical Group
Internal Medicine • Rancho Cucamonga, CA • Multiple (Chino and Rancho Cucamonga locations) locations
About
Summary: Chaparral Medical Group has a location in Rancho Cucamonga, California. The address listed is 9190 Haven Ave Ste 101, Rancho Cucamonga, CA 91730, United States.
Clinic Type
Internal Medicine
Address
9170 Haven Avenue, Suite #120, Rancho Cucamonga, CA 91730
Phone
(909)476-8700
CustomerRelations@chaparralmedicalgroup.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Insurance & Payment
Languages Spoken
—
FAQs
What insurances are accepted?
Check Insurance (link provided on site)
Photos
What Patients Say
Overall sentiment across review platforms: negative
- Yelp (Chaparral Medical Group - Rancho Cucamonga): Worst experience / very dissatisfied (no explicit numeric rating in snippet)
- Yelp (brand page via yelp.ca): 1.8 (123 total reviews)
Patients praise
- Some patients praise the doctors for medical management and care (e.g., diabetes/weight loss)
- Patients also describe a supportive/helpful staff in at least some Yelp content
Common complaints
- Staff/front office issues: they don't answer the phone or return calls
- Long waits for appointments/calls
- Perceived incompetence with scheduling/procedures and lack of knowledge to answer questions
- Rude or unhelpful office staff and negative patient attention
"“They don't answer the phone .”"
— Yelp review snippet for Chaparral Medical Group (Rancho Cucamonga)"“Horrendous service from the staff--they don't return phone calls, they don't know how to schedule a procedure …”"
— Loc8NearMe most recent reviews snippet"“Love my doctor supporting staff is horrible. No one returns calls.”"
— Yelp.ca brand reviews snippetSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Dr. Peter J. Wilton, MD - Orthopedic Surgeon in Rancho Cucamonga, CA — May 14, 2026
- Advanced Peptide Therapy Expands Men’s Health Services in Rancho Cucamonga – Weekly Voice — Apr 10, 2026
- Performance Center for Men Launches Personalized Testosterone Replacement Therapy Program — Nov 17, 2025
- Rancho Family Medical Group Expands Healthcare Access in Moreno Valley - Moreno Valley Economic Development — Feb 7, 2026
- Dr. Richard C. Lam, MD - Internal Medicine Physician in Sun City, CA — May 14, 2026
Information sourced from the clinic's website as of July 10, 2026.
More internal medicine clinics in Rancho Cucamonga
CVMG (Cucamonga Valley Medical Group) in Rancho Cucamonga offers family medicine and primary care services. The group provides internal medicine, pediatrics, osteopathic medicine, and preventive/acute care across multiple California locations, including Rancho Cucamonga. They emphasize patient- and family-centered care with a network of doctors and multiple offices to serve the surrounding Eastvale, Fontana, Upland, and Rancho Cucamonga communities. Official site: CVMGDocs.com.
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