Dr. Mario Castellanos Jr, DDS

Dr. Mario Castellanos Jr, DDS

Dentistry  ·  
Dr. Mario Castellanos Jr, DDS is a dentistry practitioner in Fontana, CA. He practices dentistry.

9725 Sierra Ave

Fontana, CA 92335

Contact Information

Insurance Accepted

  • Ameritas
  • Assurant Health
  • Cigna
  • CompBenefits Corp.
  • Guardian
  • Humana
  • MetLife
  • Principal Financial Group
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

Learn about Dr. Castellanos Jr

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1  Practice Areas

  • Dentistry

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.


Education data for Dr. Castellanos Jr is unavailable at this time.

Awards & Recognition

Awards & Honors

Dr. Castellanos Jr has no awards or honors listed.

Media & Publications

Dr. Castellanos Jr has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

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

Dr. Castellanos Jr' Reviews

Likelihood of recommending Dr. Castellanos Jr to family and friends
1 review

Likelihood to Recommend (1)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Castellanos Jr' Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

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