Designer Smiles
316 Groveland Street, Orlando, FL 32804

Sam J. Guarnieri, DMD  General Dentist

Dr. Sam Guarnieri is an accomplished and educated dentist with over 30 years of experience providing patients with general and cosmetic dentistry including tooth-colored fillings, root canals, crowns and bridges, full and partial dentures, extractions, and more. After receiving his Bachelor’s Degree in Biology at the University of Scranton he went on to attend Temple University School of Dentistry in Philadelphia, PA and received his Doctor of Dental Medicine Degree. Dr. Guarnieri has completed extensive continuing education courses and is a Certified Invisalign Provider.

He presently serves as Secretary of the Central Florida Academy of General Dentistry and previously acted as President. He is also an active member of the American Dental Association, its Affiliates, and the Academy of General Dentistry. Dr. Guarnieri gets to know each patient on both a professional and a personal level. When he’s not in the office he enjoys music, sports, and spending time with his family.

Read What Our Patients Say
Patient Reviews
What an awsome set up. I have never seen such team work exhibited by Dr. Deigo O., Cathy, Sonya and Felix. Very warm, caring and reassuring even down to the cost (very workable). Dr. Deigo […]
Celeitha V.
What an awsome set up. I have never seen such team work exhibited by Dr. Deigo O., Cathy, Sonya and Felix. Very warm, caring and reassuring even down to the cost (very workable). Dr. Deigo […]
Celeitha V.
I came in as a walk-in and was able to be seen almost immediately. I was seen by Dr. Ospina; he was very attentive and offered a response to all my questions, no matter how small. I don’t […]
ANGELICA T.
Great dentist office. The entire team takes time to talk to you, explain everything, and let you review your options. They treat you like family.
Sean M.
Very professional staff and Dr.
Alastair W.
This place is a God Send! I have SEVERE Dental anxiety. Mostly from being tied to a dental chair, literally, when I was about 12. Ever since then I haven’t been to a dentist, I’ve lived with pain […]
Amped4media C.
This place rocks. They do everything in house and dont send you all over town to have different procedures done. They handle everything in house. The team is very compassionate and made an anxious […]
Kevin D.
Beautiful atmosphere and kind staff who make you feel comfortable!
Sandra P.
I have been coming to DS and Dr Ospina since 2015, when they took on the task of repairing my teeth after a substantial accident. They have always, and continue to do the best to accommodate me, and […]
Frank S.
Edward is a gem! Such detailed and meticulous but yet gentle cleaning I have ever had done. Usually I have to spend twice longer with a dental hygienist. Because I have teeth pockets that are […]
Yana O.
Excellent service and top qualified dental staff.
Autharine S.
Thanks you…Dr Diego Ospina and staff are awesome. I have been coming here for a few years. Dr Ospina is always gentle and has wonderful deposition. I would recommend others to come here.
Carolina A.
Because I love each and everyone of the employees. They have become my family. I felt completely at home and welcomed the minute I walked in the door. The Doctor dedicated the entire day to me. I […]
Cynthia G.
You’ve done a great job and made me feel as comfortable as possible the whole time. Everyone there is a beautiful and caring person.
Joshua M.
Great management, everyone are so helpful and amazing people. Thank you Designer Smiles.
Ayrton P.
Great staff , great communication.
Antony C.
it was the best experience ever!! i get there really scared, but when we start taking pictures and all that stuf they make me feel amazing, like i was part of there team…. the sedation was […]
Anaca123456
Everyone was very friendly and caring. They didn’t make me feel bad because I am so sensitive to pain.
Lucy K.
Dr. Ospina is an excellent dentist and has earned my complete trust. The whole office is friendly and caring. I feel like so much more than a number and they never look at me with dollar signs in […]
Melinda R.
Everyone is very kind and gentle. Dr. Ospina makes the dental experience easier on me! The sedation helps tremendously.
Georgianna C.
Office Hours
Mon. – 8:00 AM - 5:00 PM
Tue. – 8:00 AM - 5:00 PM
Wed. – 6:00 AM - 5:00 PM
Fri. – 8:00 AM - 5:00 PM
Phone: (407) 988-1563
Fax: (407) 895-5511
Healthcare Financing with
CareCredit
We Accept Most Insurance Plans!
Learn More

We accept most insurance plans and will be happy to help you understand the coverage that you have. We will do our best to see that you receive your maximum insurance benefits for all covered services.

No Insurance? No Worries! See our discounts and offers here

For appointments, call us at: (407) 988-1563 or
Book Appointment
For appointments, call: (407) 988-1563
Office Hours
  • Monday 8:00 AM - 5:00 PM
  • Tuesday 8:00 AM - 5:00 PM
  • Wednesday 6:00 AM - 5:00 PM
  • Friday 8:00 AM - 5:00 PM
Get in touch:
  • Phone: (407) 988-1563
Our Location