Dr. Regina Leoni, MD

Dr. Regina Leoni, MD

Family Medicine  ·  
Female  ·  
Age 47
Dr. Regina Leoni, MD is a family medicine specialist in Rancho Cucamonga, CA and has been practicing for 17 years. She graduated from Loma Linda University School Of Medicine in 2001 and specializes in family medicine.

7777 Milliken Ave Ste 350

Rancho Cucamonga, CA 91730

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna

*Please verify this information when scheduling an appointment.

Learn about Dr. Leoni

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

1  Specialties

  • Family Medicine

1  Board Certifications

  • Family Practice
    Accredited by: American Board of Family Medicine*

109  Conditions Treated

Read Less

13  Procedures

  • Anemia and Iron Deficiency Screening
  • Cholesterol Screening
  • Diabetes Screening
  • Fecal Occult Blood Test for Colorectal Cancer
  • Hepatitis C Virus Screening
  • Hepatitis Screening
  • Liver Function Test
  • Newborn Metabolic Screening
  • Osteoporosis Screening
  • Prostate Cancer Screening
  • Sexually Transmitted Infections Screening
  • Syphilis Screening
  • Thyroid Screening

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Loma Linda University School Of Medicine
    Medical School | Graduated 2001

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Leoni has no media or publications listed.

Languages Spoken

  • English
  • Spanish

Memberships & Professional Affiliations

Dr. Leoni does not have any memberships or affiliations listed. If you are Dr. Leoni and would like to add memberships or affiliations, please update your profile.

Dr. Leoni's Reviews

Likelihood of recommending Dr. Leoni to family and friends
31 total reviews (4 have comments)

Likelihood to Recommend (31)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Leoni's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    31 to 45 minutes

Patient Comments (4)

This doctor is overwhelmed with patients. Only cares about the money. Impossible to get a timely appointments, Will not explain any test/lab results over the phone wants that copay. Don't request your medical records you will be blacklisted. Prescribed wrong medication to pharmacy will not...more
Was this helpful? thumbs up icon option1thumbs down icon option0
Flag this
I have been a patient of hers for 6 years. She's never available. Can never get an appointment unless you want to wait 2-3 months. Staff is not helpful and is always changing. If you dare ask for your records and at the same time want an appointment, Cindy her nurse will hold your records hostage...more
Was this helpful? thumbs up icon option3thumbs down icon option1
Flag this
Dr. Leoni was very professional but made me feel very comfortable. She took care of my issue same day. My normal Dr. is in Orange County but I recently moved to Ontario and she was referred to me by a friends sister. I really like the office, the staff and Dr. Leoni so I will be going back to her.
Was this helpful? thumbs up icon option1thumbs down icon option0
Flag this
Has No Heart when it comes to her patients.. And that being ones that have been coming to her for years . Mis diagnosed & didn't provide how or what was coming.. Patient Passed Not One Concern Or Call To Family! I would never trust her with my pet bird.. Very disappointing! We are all just a...more
Was this helpful? thumbs up icon option1thumbs down icon option1
Flag this
Image of Dr. Leoni
Are you Dr. Leoni?
Make it easy for patients to share their feedback. Also manage your personalized profile!