Chaparral Medical Group
Internal Medicine • Rancho Cucamonga, CA • Multiple (Chino and Rancho Cucamonga locations) locations
Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.
Last gathered July 10, 2026. How our information is sourced · Report incorrect information
About
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.
Services Offered
Insurance & Payment
Languages Spoken
Not published.
FAQs
What insurances are accepted?
Check Insurance (link provided on site)
Photos
Photos published by Chaparral Medical Group showing the internal medicine practice in Rancho Cucamonga, CA.
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) (Not specified in snippet (Yelp page shows multiple reviews))
- 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.
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