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Dr. Leonardo Castillo is a skilled dentist that has a focus in general, cosmetic, and restorative dentistry. Some of the dental procedures he offers include fillings, single root canal, extractions, and complete dentures. Relieving patient’s dental pain has been the most rewarding part of dentistry for him. Regardless of the age, he wants to help increase patient’s quality of life. His goal is for his patients to have a positive experience throughout their dental journey.
Dr. Castillo is ACLS-certified. He provides dental care to senior residents in local nursing facilities two days a week, and he shadows a dentist anesthesiologist once a month as he aspires to specialize into this role in the future. He is an active member of the American Society of Dentist Anesthesiologists, American Dental Society of Anesthesiology, and American Dental Association.
Outside of the office, Dr. Castillo is a huge Phoenix Suns fan. He also enjoys viewing nature during hikes, car rides, and on his strolls with his pup.
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Office Hours
- Monday 8:00 AM – 5:00 PM
- Tuesday 8:00 AM – 5:00 PM
- Wednesday 8:00 AM – 5:00 PM
- Thursday 8:00 AM – 5:00 PM
CareCredit
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Our patients leave smiling
the dentist keizer i believe was his name who has taken over all my dental work since i was about 20 has been amazing. super friendly, explains things so i fully understand, and even goes above and beyond to make me feel comfortable with my fear of needles and anxiety. i work in a pharmacy and not only do i reccomend him to all my unhappy aspen dental patients, but i have also brought my son and m…
Alyssa W.
Very patient friendly, not many people like going to the dentist but everyone in the office makes it a pleasurable experience.
Debbie S.
Any doctor/dentist visit can be stressful but it’s anything but that at The Dental Center. You all have made my visits very pleasant.
George K.
Took my 5-year-old to get cavities filled, he actually fell asleep! I got to stay with him the whole time. The staff was amazing, I would highly recommend this office.
Angela F.
If you need a dentist and are scared due to past experiences don’t worry, go to the dental center of Mishawaka and not only will your teeth look good and will show them off with a smile but you’ll smile because you had a great time with the great staff.
George K.
This convenient and clean facility is staffed with courteous and professional people, who seem genuinely concerned with the patients. Jessica in particular was very helpful.
Sen M.
I honestly feel like I’m treating myself every time I have an appointment!
Lisa B.
They are good to deal with and treat you with respect and make you feel at ease
Maury B.
Great place! Love the employees!
Marci G.
Really nice staff and they did great work!! Dr Kaiser (not sure on spelling) extracted two of my son’s teeth without my son making a peep!!!
Jozette C.
The care and customer service here are top-notch. My hygienist, Heather, is careful, detailed, and thorough. She explains what she is doing every step of the way. I would recommend the Dental Center to anyone looking for a dental service center.
Joel D.
Friendly, caring , short wait time, thorough
Maurshane H.
Nobody LIKES going to the dentist. But if you have to go to the dentist, this is where you ought to go.
Scott S.
Quick, fast, no-nonsense, friendly and competent help
Patricia B.
Great service from dental assistant & dentist
Tracey L.
Freindly and caring staff and dentist. They explain everything they are doing. They make sure you like their work before you leave.
Debbie S.
Two of my children had work done. The staff was AMAZING!! They were very kind, patient, professional and they answered every question I had and also kept my children informed about what they were doing to them. I would recommend this dental office for anyone, especially for kids.
Anne S.
We love the staff at this dental clinic, always professional and kind.
Abbigail H.
Amazing, friendly, patient, funny, professional, informative staff. They were wonderful to my children.
Bowen S.
I hadn’t been to the dentist in at least 3 years, and I was very self conscious of my teeth. I was scared going to the dentist because of what they would say, and make me feel bad for letting my teeth get so bad, but it was the exact opposite. Everyone was so kind and set up a treatment plan based on what I wanted to get done, I wasn’t pressured into anything I didn’t want done. The dental h…
Alexis B.
The dental assistant and the dentist are both so great with my son. He’s 3 1/2 and has been going to them since he was 1 and he loves going to the dentist.
Austin S.
Friendly and thorough service.
Susann N.
Everyone was very nice. I liked how my options were explained to me and then received a statement that clearly indicates the financial responsibility of each procedure.
Randy N.
Because the office has taken care of me
Maurice B.
They are good to deal with and treat you with respect and make you feel at ease
Maury B.
My experience was wonderful! Dr & staff were very friendly & put me right at ease
Kelly C.
Competent and very nice folks.
Gordon H.
Everyone is so nice and worked my kids in for sealants while we were there
Josiah W.
Everyone was so polite and so good with my kids.
Colton W.
On time, personable, friendly, thorough, kind, team environment.
Kirsten B.
Organized and friendly..
Janine R.
The staff is very friendly, knowledgeable and the office is very clean. I constantly see them right after a patient uses the equipment take a disinfectant wipe and clean the station before they leave. The dentist is kind,very through, explains what’s being done before hand and what the costs would be. The best dentist I have met! Thank you
Dede S.
I have been coming to The Dental Center for years. My visits have always left me feeling better than when I came in. The staff is so friendly and upbeat. I have always received the best of care.
Pamela W.
Best service at affordable price
Tuphan D.
It was a great experience.
Elizabeth F.
The staff is the best.
Michael M.
Friendly employees and it’s clean atmosphere.
Alexander T.
My first visit was yesterday and my hygienist was great and even though the dentist only came to see me briefly, he was also very nice! I feel I was treated well and I will continue going back for all of my dental needs!
Jenny E.
I had excellent service here. The staff was super nice and helpful. Also, they did an excellent job on my teeth!
Jaycee L.
Very friendly went out of their way to help
Edward D.
My dad and I love it here!! They were really good with him during his appointment to get an extraction and are all about saving teeth. Marci, the assistant and Dr. Keiser are amazing and we both have appointments to go back soon!
MissSpiderbite T.
Dr Douglas is fantastic! He makes sure to take the time to get your dental work done precisely. Each time I go, I feel like I’m his only patient there. I feel comfortable in there care. They provide you with options instead of making decisions for you. He always makes sure you’re not in any pain. The office is clean and in a newly built building. I’ve moved my son and husband to…
BMoney B.
Extremely satisfied with the office and how caring everyone is. Excellent service.
Raimie W.
It’s actually a pleasure to have dental work done. The most caring practice I have ever been to. They are even great with kids. So glad I chose this office.
Raimie W.
The hygienists are very nice, professional, and the dentist are great.
Kevin R.
The hygienist was extremely patient
Ellayna P.
Professional caring office!
Kimberly G.
Dr kiser helped eliminate the pressure on 2 of my teeth and solved my problem. Thanks bunches
Erin B.
very friendly atmosphere
Yvette W.
Friendly staff and Shannon is very thorough. I trust her with taking the best care of my mouth and teeth!
Michelle M.
overall staff was great felt like they care about everyone. No pressure they give you honest advice and let you make the decide what course to take the your dental health.
Greg C.
Pleasant staff.
Cora R.
Explained what was going to be done and during procedure, made my daughter comfortable.
Alexis B.
I always get great service at the Mishawaka office and the staff is very friendly
Roberto E.
Friendly and pleasant visit. Shannon explained every procedure as she did them. Willing to answer questions and very informative.
Mary R.
Wow, I really love the dental center. They have wonderful people who work there. They are so friendly, kind, and understanding of what you are having done. I just love Dr Keiser . He’s a Wonderful man. There’s a nurse named Marci, she is the best. She has taken the best of care of me the whole time I’ve known her. I recommend The Dental Center to anyone. Smiling faces everywhere.…
Debbie W.
Everyone was very nice and made me feel comfortable.
Tiffany K.
The hygienist Shannon, and Dr, were so kind and patient with my daughter(5 years) , who was difficult to even let them get a look in her mouth in the first place due to a horrible experience at a previous dental place. They did anything and everything to make her comfortable with them, definitely recommend!
Michelle S.
Dr Keiser and Britne are both great! Very professional, and made sure that it was a comfortable experience for me
Alicia D.
My hygienist was outstanding!!!
Octavia D.
More personal service than the other Dental Center location.
Orianna P.
Friendly staff, wait time minimal
Hannah B.
Worked great with my three year old! Very friendly and encouraging through your entire appointment.
Ellison P.
Satisfaction in service, quality care, friendly atmosphere and familiar faces. My dental hygienist is kind and thorough & does her job well.
Heidi H.
Very friendly staff and no long wait.
Stephanie M.
My appt was fast and easy! I was in a hurry so I enjoyed going in, getting my cleaning and getting out of there in less than an hour!
Danielle S.
The staff is fast, friendly and efficient every time for the past 2 years. They have the shortest wait times of any dentist I’ve ever been to.
Helen I.
Brooke is the best hygienist. She always makes me feel comfortable.
Brooke G.
Staff is extremely nice. Office is extremely clean.
Rona B.
I had an excellent experience due to the care I received. This Dental Center has the BEST STAFF! Everyone is always pleasant and keeps a positive attitude!
Beverly P.
Excellent service and knowledge
John S.
Great customer service! The hygienist and doctor was extremely gentle and caring. They respected my privacy during my visit. I highly recommend The Dental Center!!
Amy G.
I went in for a tooth that had me in excruciating pain. Everyone was so nice! They got me right in and even called to schedule the root canal for me!
Angela P.
Personable, great service, answered all my questions, called me to move my appointment sooner.
Lynette H.
The hygienist knew what she was doing and was very thourough with my cleaning. The dentist gave me practical ways to improve my oral health.
Amy S.
Everyone was very nice and professional.
Nancy K.
Dr. Kiser and his assistant (I believe her name was Brittani) provided me with EXCELLENT care. I was in extreme pain due to a tooth that need to be extracted and even though it looked pretty difficult to be removed without going to an oral surgeon, Dr. Kiser gave it a shot to provide me with comfort and he was able to remove the tooth.
Loretta A.
Great care, very thorough, made sure things were done right
Duane S.
Dental assistant was caring and professional.
Maria A.
Heather was professional, caring and graceful. Receptionists were very nice and efficient.
Hafiz A.
Great with my kids during their work and mine
Erika R.
Great experience as always! I like the soft music in the background
Jason H.
Staff is personal and friendly.
Lucy S.
A very good experience.
Jacqueline H.
This place is great. Marci, Brooke and Dr Keiser are awesome. They took my fears away. I will be returning and referring people to them. Love this Mishawaka office.
Makenzi S.
I love going to see Brooke Henry. She always does a great job on my cleanings and always super friendly!
Angela L.
Dr. Keiser and Jessica were attentive to my needs and concerns. Patty did a magnificent job when cleaning my teeth!
Ariel B.
