
Guillermo "Bill" Trevino, MD
Internal Medicine
About Guillermo "Bill" Trevino
About The Provider
Guillermo "Bill" Trevino, MD is a Board Certified Internal medicine physician.
He is an avid believer in disease prevention. He believes in the importance of a medical home for his patients. He strives to build healthy relationships with patients in order to achieve long-term wellness.
In his free time, he enjoys spending time with his wife and children.
Networks
Member of Premier Physician Network

Practice Website
Experience
Training
- Residency: MOUNT CARMEL, Internal Medicine, 2005
- Residency: OHIO STATE UNIVERSITY SCHOOL OF MEDICINE AND PUBLIC HEALTH, 2005
- Internship: MOUNT CARMEL, Internal Medicine, 2003
- Medical School: OHIO STATE UNIVERSITY SCHOOL OF MEDICINE AND PUBLIC HEALTH, 2002
Board Certifications
- Internal Medicine: American Board of Internal Medicine, 2005
Highlights
Age Groups Seen
- Adult 18-65
- Older Adult >65
Languages
- English
Gender
MaleInsurance
- Aetna
- Amerihealth Medicaid
- Anthem
- Buckeye Health Plan - Medicaid and Medicare only
- Caresource
- Champ VA
- Cigna
- CommuniCare I-SNP
- Devoted Health
- First Health/Coventry
- Healthsmart
- Healthspring
- Humana - Medicaid and Medicare only
- Medicaid Ohio Traditional
- Medical Mutual
- Medicare A and B
- MediGold
- Ohio Health Choice/Ohio PPO Connect
- Paramount - Medicare Only
- Perennial Advantage I-SNP - Medicare Only
- Private Healthcare Systems
- Tricare/Humana Military
- UMR
- United Behavioral/Optum Health
- United HealthCare
- WellCare Medicare
Ratings & Reviews
5 out of 5
332 ratings, 107 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 4/9/2026
This Dr., is one of the best around. I wouldn't go to anyone else !
- 5 out of 5 starsReviewed on 4/9/2026
Wonderful office,doctor, and staff! Always friendly and caring.
- 5 out of 5 starsReviewed on 3/29/2026
Great team of people this office. Always friendly. Greet you with a smile. And they are mostly always on time which is great!
- 5 out of 5 starsReviewed on 3/31/2026
awesome very kind and wonderful people
- 5 out of 5 starsReviewed on 3/27/2026
Dr Trevino is one of the best Doctors we've ever had.
- 5 out of 5 starsReviewed on 3/27/2026
Everyone was courteous and pleasant. No complaints.
- 5 out of 5 starsReviewed on 3/23/2026
Very good experience
- 5 out of 5 starsReviewed on 3/21/2026
Very friendly and helpful, with both my visit and explaining my test results.
- 5 out of 5 starsReviewed on 3/17/2026
Dr.Trevino is an Excellent doctor! I highly recommend his office and entire staff!! ALWAYS treated with kindness and professionalism.
- 5 out of 5 starsReviewed on 3/12/2026
Wonderful place, always happy with my visits.
- 5 out of 5 starsReviewed on 3/7/2026
They were on time, no waiting. They took BP, Temp, addressed medications and refills. Very efficient and thorough.
- 5 out of 5 starsReviewed on 3/6/2026
Always a good experience with all the staff here!
- 5 out of 5 starsReviewed on 3/6/2026
Excellent Dr. and staff. I feel very happy to interact with them. They always respond well to mychart inquiries too.
- 5 out of 5 starsReviewed on 3/10/2026
Dr Trevino and staff are thorough but also work hard to stay on schedule so a patient doesn't wait long to see the doctor at their appointment time. They always offer you time to state your problems. Thanks for their consideration of the patient's time and problems
- 5 out of 5 starsReviewed on 3/6/2026
Great
- 5 out of 5 starsReviewed on 2/20/2026
It went well ! Thank You !
- 5 out of 5 starsReviewed on 2/14/2026
Dr. Trevino and his staff are always very kind and caring.
- 5 out of 5 starsReviewed on 2/14/2026
Everyone has been very professional and kind in helping me with my needs. Thank you so much!
- 5 out of 5 starsReviewed on 2/13/2026
The entire staff is kind, caring and sincere.
- 5 out of 5 starsReviewed on 2/13/2026
Dr. Trevino and his staff are outstanding. I recommend this office to everyone who asks me where they should go
- 5 out of 5 starsReviewed on 2/6/2026
very good visit thanks doc
- 5 out of 5 starsReviewed on 2/1/2026
I refer everyone I know to Dr. Trevino's office. I have NEVER had a bad experience, and I am well cared for. So are my family and friends.
- 5 out of 5 starsReviewed on 2/1/2026
Dr. Trevino and his staff are always professional and courteous. Thank you.
- 5 out of 5 starsReviewed on 2/3/2026
Love them!
- 5 out of 5 starsReviewed on 1/26/2026
I would like to get out of there sooner after I see doctor.
- 5 out of 5 starsReviewed on 1/25/2026
Dr Trevino is highly professional yet caring and a good listener. The entire staff projects competence
- 5 out of 5 starsReviewed on 1/25/2026
Got me in right away and prescribed the medication I needed. Doing very well now.
- 5 out of 5 starsReviewed on 1/22/2026
This office is always clean and well taken care of and everyone is so very nice
- 5 out of 5 starsReviewed on 1/23/2026
Always throughout and prompt.
- 5 out of 5 starsReviewed on 1/21/2026
Staff is excellent, professional, and friendly.
- 5 out of 5 starsReviewed on 1/11/2026
Great
- 5 out of 5 starsReviewed on 1/13/2026
Excellent. Very satisfying
- 5 out of 5 starsReviewed on 1/10/2026
Excellent service as usual.
- 5 out of 5 starsReviewed on 1/9/2026
excellent service, prompt service, friendly atmosphere
- 5 out of 5 starsReviewed on 1/8/2026
Very good service Thank You
- 5 out of 5 starsReviewed on 1/3/2026
The staff and Doctor are the Best
- 5 out of 5 starsReviewed on 1/2/2026
Called in at 8:30 AM and had an appointment at 2 PM. Can't ask for better than that.
- 5 out of 5 starsReviewed on 1/6/2026
I'm very pleased with this office and the staff
- 5 out of 5 starsReviewed on 1/7/2026
Great Staff and doctor
- 5 out of 5 starsReviewed on 12/21/2025
Dr. Trevino and his staff provide excellent care. They are professional, kind, and caring.
- 5 out of 5 starsReviewed on 12/21/2025
Everyone at this practice is fantastic.
- 5 out of 5 starsReviewed on 12/21/2025
Great Doctor ?
- 5 out of 5 starsReviewed on 12/21/2025
This was my first visit with Dr Trevino. I wish that I could give him a rating of 11 instead of 10. They got me in and out, he answered all of my questions, addressed my concerns, explained everything I needed in a way that I could understand, and I feel like I'm in good hands. The nursing staff and receptionist were great as well.
- 5 out of 5 starsReviewed on 12/19/2025
Nice friendly people
- 5 out of 5 starsReviewed on 12/18/2025
Always treated well .
- 5 out of 5 starsReviewed on 12/17/2025
Best doctor I've ever had.
- 5 out of 5 starsReviewed on 12/7/2025
In and out within 15 minutes.
- 4 out of 5 starsReviewed on 11/28/2025
It was disappointing that no flu shots were available. Was told to go to any pharmacy.
- 5 out of 5 starsReviewed on 11/28/2025
They are great
- 5 out of 5 starsReviewed on 11/22/2025
Great Dr.
- 5 out of 5 starsReviewed on 11/22/2025
Best office!!!
- 5 out of 5 starsReviewed on 11/22/2025
Excellent care and very nice
- 5 out of 5 starsReviewed on 11/21/2025
I wouldn't go to any other doctor except Dr. Trevino. I trust him completely!
- 5 out of 5 starsReviewed on 11/24/2025
Everything was good
- 5 out of 5 starsReviewed on 11/22/2025
Professional but friendly and efficient
- 5 out of 5 starsReviewed on 11/18/2025
all the staff is top notch. including doc/
- 5 out of 5 starsReviewed on 11/14/2025
Very kind and respectful
- 5 out of 5 starsReviewed on 11/13/2025
Dr. and staff were great. They addressed my issue and resolved it in a timely manner. Thank you to them.
- 5 out of 5 starsReviewed on 11/8/2025
Great staff and doctor~
- 5 out of 5 starsReviewed on 11/11/2025
I am so very pleased with the staff and providers in this group. They always are very helpful and get my issue resolved. Most wonderful group I have utilized in years.
- 5 out of 5 starsReviewed on 11/6/2025
The office of Miami County Internal Med is one of the best if not the best!. Always a pleasant office and experience, except for the shots, :-) Keep up the great work!
- 5 out of 5 starsReviewed on 10/26/2025
Always treated with respect and my voice is always heard.
- 5 out of 5 starsReviewed on 10/22/2025
This office is amazing
- 5 out of 5 starsReviewed on 10/17/2025
I was in severe back pain and they got me in very quickly.
- 5 out of 5 starsReviewed on 10/6/2025
Great people Dr Trevino is the best
- 5 out of 5 starsReviewed on 10/3/2025
great experience, great people
- 5 out of 5 starsReviewed on 10/4/2025
Dr Trevino is thorough, kind, I think he's a wonderful doctor.
- 5 out of 5 starsReviewed on 9/26/2025
great staff!
- 5 out of 5 starsReviewed on 9/26/2025
every one there knows what to do anbd say and knows their "doctoring" business
- 5 out of 5 starsReviewed on 9/19/2025
Always good great staff
- 5 out of 5 starsReviewed on 9/19/2025
I am pleased with the dr. Do wish sometimes things wouldn't be so rushed to have more time to ask questions.
- 5 out of 5 starsReviewed on 9/14/2025
They are always, courteous, on time, and very knowledgable.
- 5 out of 5 starsReviewed on 9/14/2025
Excellent care.
- 5 out of 5 starsReviewed on 9/14/2025
The staff and doctor are fantastic!
- 5 out of 5 starsReviewed on 9/10/2025
Really like this doctor
- 5 out of 5 starsReviewed on 8/22/2025
Very comfortable atmosphere and short times in the waiting room and exam room.
- 5 out of 5 starsReviewed on 8/21/2025
Good visit and good info.
- 5 out of 5 starsReviewed on 8/15/2025
Dr Trevino has been my pcp for years. His care is awesome and he's turned into a really good friend. I've recommended him several times to friends.
- 5 out of 5 starsReviewed on 8/13/2025
I really like Dr. Trevino. He always listens to what I have to say and never hurries me. I always feel better when I leave then when I got there.
- 5 out of 5 starsReviewed on 8/8/2025
Excellent job from start to finish.
- 5 out of 5 starsReviewed on 8/7/2025
Always greeted with smiles and courtesy. Understood diagnosis doctor explained to me and follow up.
- 5 out of 5 starsReviewed on 8/3/2025
Good visit thanks doc
- 5 out of 5 starsReviewed on 8/1/2025
As always, Dr. Trevino's office is very professional and courteous.
- 5 out of 5 starsReviewed on 7/21/2025
This office is awesome, they are alway there with answers on Mychart when I need it and with any appointments I need. I appreciate the home town feel of this office
- 5 out of 5 starsReviewed on 7/19/2025
Professional, friendly, caring
- 5 out of 5 starsReviewed on 7/19/2025
I have always been consistently treated well during my office visits.
- 5 out of 5 starsReviewed on 7/12/2025
Dr is always in a hurry
- 5 out of 5 starsReviewed on 6/30/2025
Dr Trevino is a wonderful doctor.
- 5 out of 5 starsReviewed on 6/30/2025
Everything was excellent. They are fantastic in everything they do there. They are also so wonderful.
- 5 out of 5 starsReviewed on 6/22/2025
Did a good service
- 5 out of 5 starsReviewed on 6/21/2025
Excellent service as usual.
- 5 out of 5 starsReviewed on 6/21/2025
Everyone is professional but also kind and caring.
- 5 out of 5 starsReviewed on 6/19/2025
Everything went great
- 5 out of 5 starsReviewed on 6/19/2025
I am thrilled that I can get in same day. As I get older I depend more on being able to see a Doctor on a timely basis. DR. TREVINO has been the best (so has this office if Dr. Trevino isn't available) I am so impressed with what they have offered. They take great care and that is imooertant.
- 5 out of 5 starsReviewed on 6/6/2025
Very happy with them
- 5 out of 5 starsReviewed on 5/10/2025
Keep up the good work!!
- 5 out of 5 starsReviewed on 5/10/2025
Great staff and Doctor, very happy with my recent visit.
- 5 out of 5 starsReviewed on 5/11/2025
Lucky to have him.
- 5 out of 5 starsReviewed on 5/10/2025
Love Dr. Trevino and all his staff.
- 5 out of 5 starsReviewed on 5/8/2025
Very happy with the service and care
- 5 out of 5 starsReviewed on 5/8/2025
Once again very friendly & professional staff!
- 5 out of 5 starsReviewed on 5/5/2025
I am thankful to have them as my treatment team. Always treated with respect! And always seen ASAP.
- 5 out of 5 starsReviewed on 5/3/2025
He is a very good doctor was very taken care of
- 5 out of 5 starsReviewed on 5/3/2025
Every employee at Dr. Trevino's office treat you with dignity and respect. Always on time with my appointments. Top notch medical office. Keep up the good relations with you patients.
- 5 out of 5 starsReviewed on 5/3/2025
Well ran office!
- 5 out of 5 starsReviewed on 5/5/2025
Dr. Trevino genuinely listened to all of my concerns and addressed them each with a plan. I felt heard and not judged.
- 5 out of 5 starsReviewed on 4/27/2025
Very timely and on schedule. Professional and friendly



