Rancho Cucamonga Dentist and Orthodontist

Hospitality Dental Rancho Cucamonga Staff

Our Address:

8325 Haven Avenue, Suite 130
Rancho Cucamonga, CA 91730

Request Appointment

Phone Numbers:

(909) 989-3566

Office Hours

Mon 8:00AM 5:00PM
Tue 7:00AM 7:00PM
Wed 7:00AM 7:00PM
Thu 7:00AM 7:00PM
Fri 7:00AM 4:00PM
Sat Closed
Sun Closed

Serving the Upland, Ontario, Montclair, Claremont, Chino, Mira Loma, Glen Avon, Fontana, Pomona, La Verne, Pedley, Bloomington, San Dimas, Norco, Rialto, California areas.

General Dentistry

  • Bridges
  • Cleanings
  • Composites
  • Crowns
  • Dentures
  • Fillings
  • Partials

Cosmetic Dentistry

  • Bonding
  • Veneers
  • Whitening

Children’s Dentistry

  • Sealant
  • Buddy Brush


  • Braces
  • Invisalign
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Tia Dennis, D.D.S.


Rancho Cucamonga, CA Dentist – Dr. Dennis received her B.A. from Pomona College in Claremont , CA in 2000. She then traveled to the Bay area and received her D.D.S. from the University of the Pacific in San Francisco , CA . Dr. Dennis is now back home in Southern California and loves practicing Dentistry.
Dr. Dennis enjoys jogging, dancing and learning how to cook.

Eric Joo, DDS web

Eric Joo, D.D.S.


Rancho Cucamonga, CA Dentist – Dr. Eric Joo graduated from Loma Linda University School of Dentistry in 2011 with his DDS. He has since been working in Porterville, CA until he recently moved to Ontario with his family and joined Hospitality Dental. Dr. Joo specializes in children’s dentistry.

He loves spending time traveling with his family, walking their pet golden doodle, Benny, and is a huge fan of the Lakers and the Dodgers.


Colleen Mortimer, R.D.H.

Dental Hygienist

Colleen graduated from Pasadena City College Dental Hygiene program in 1995. She has worked for Hospitality Dental Associates in the Rancho Cucamonga office since 1996.
Colleen has 3 children and has lived in Rancho Cucamonga for 20 years. She has recently become an owner of a quarter horse and enjoys riding on weekends.

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Denise Morris, R.D.H.

Dental Hygienist

Denise entered the dental field with R.O.P. in high school. She was an assistant from 1972-1981. Denise graduated from Cypress College in Hygiene in 1981. She started with Hospitality Dental Associates in Rancho Cucamonga in 1989. Denise loves camping at the beach and riding wave runners at Lake Tahoe with her husband and two sons. She is involved in Rancho Cucamonga youth athletics.