
Highlights
Age Groups Seen
- Pediatrics
Languages
- English
Provider Gender
MaleCare Team
Banner Health Center plus
7701 West Aspera Boulevard, Suite 201, Glendale, AZ 85308
Banner Health Center plus
7701 West Aspera Boulevard, Suite 201, Glendale, AZ 85308
Banner Health Center
4375 East Irma Lane, Phoenix, AZ 85050
About John Sarmiento and Banner Safety Practices
Care Philosophy
I highly value patient communication and education because much of pediatric care revolves around keeping children well.
Interests & Activities
In my free time, I enjoy running, photography and gardening.
Hospital Affiliations
Banner Del E Webb Medical Center
Expertise
Education
- Residency: Children's Hospital of Los Angeles, Pediatrics, 2005
- Medical School: Albert Einstein College of Medicine, 2002
Board Certifications
- Pediatrics: American Board of Pediatrics, 2005
Video
Locations
- Banner Health Center plus
- 7701 West Aspera Boulevard, Suite 201, Glendale, AZ 85308
- phone: 623-465-6060
- fax: 623-242-5833
Testimonials
5 out of 5.0
232 ratingsAll patient experience ratings and testimonials are submitted by actual patients and verified by a leading independent customer experience company. Patient identities are withheld to ensure confidentiality and privacy.
- 5 out of 5 starsReviewed on 11/13/2025
Dr. Sarmiento is very patient and excellent at listening to my daughters and myself as we explain what is going on with them.
- 5 out of 5 starsReviewed on 10/7/2025
He is very approachable, informative and very efficient.
- 5 out of 5 starsReviewed on 8/11/2025
Friendly and knowledgeable
- 5 out of 5 starsReviewed on 7/14/2025
He is thorough and knowledgeable. He is excellent at providing education for parents concerning newborn.
- 5 out of 5 starsReviewed on 6/15/2025
Awesome Pediatrician!
- 5 out of 5 starsReviewed on 5/5/2025
Excellent provider, knowledgeable. Never rushes us and always allows for questions.
- 5 out of 5 starsReviewed on 4/12/2025
Consistent and caring
- 5 out of 5 starsReviewed on 4/6/2025
Professional, knowledgeable
- 5 out of 5 starsReviewed on 4/1/2025
He's kind, patient and very helpful answering questions.
- 5 out of 5 starsReviewed on 3/20/2025
He is not just a paid Dr. but he has the passion and genuine concern on the well being of his patients. You can give your full trust to him to care for your loved ones.
- 5 out of 5 starsReviewed on 3/3/2025
Best pediatrician ever!!!
- 5 out of 5 starsReviewed on 2/14/2025
He listens to our concerns very well and always giving us important information related to our visit. He is very pleasant to talk to and makes us feel safe and comfortable.
- 5 out of 5 starsReviewed on 1/30/2025
I will forever bring my son to Dr Sarmiento until I can't anymore
- 5 out of 5 starsReviewed on 1/21/2025
Dr. Sarmiento is very professional and make us feel secure and safe under his care.
- 5 out of 5 starsReviewed on 1/8/2025
Dr. Sarmiento was our child's first doctor and we then had several others who took his place at the practice near us. We now choose to drive over 30 min because he is by far the most knowledgeable, welcoming and accessible pediatrician we've met.
- 5 out of 5 starsReviewed on 12/30/2024
He is excellent. He talks to the kids on their level.
- 5 out of 5 starsReviewed on 12/29/2024
Easy going, knowledgeable, showed he truly cares about his patients.
- 5 out of 5 starsReviewed on 12/8/2024
He was very helpful and got my son's problem under control
- 5 out of 5 starsReviewed on 12/6/2024
Dr Sarmiento has been our pediatrician since 2013. At 3 different offices, but I'm glad he settled into this facility. He's a great Dr and the location is very convenient with all its amenities in one space.
- 5 out of 5 starsReviewed on 11/8/2024
Dr Sarmiento was great!! We got in and out and he knew exactly how to help my daughter.
- 5 out of 5 starsReviewed on 10/28/2024
He's a great dude with a happy demeanor. Can't express how delighted we are to have him as our doctor.
- 5 out of 5 starsReviewed on 9/28/2024
Dr. Sarmiento is an amazing pediatrician!
- 5 out of 5 starsReviewed on 9/16/2024
He is very patient with my kids and willing listens to all my concerns and explains well what care is needed and constantly asking if we still have any other health concern that needs to address.
- 5 out of 5 starsReviewed on 9/14/2024
He is amazing! He was recommended to us! My son has been with him since he was a new born. We love him he's always smiling and addressing any of our concerns, he answers any questions we have and doesn't make us feel less than for what we may not know. Also he has these amazing handouts that have helped us with our sons development.
- 5 out of 5 starsReviewed on 8/19/2024
Always a pleasure meeting with DR Sarmiento, he is very thorough, informative, and takes his time!
- 5 out of 5 starsReviewed on 7/5/2024
He was very clear, informative, addressed our concerns, made the first visit less stressful, and submitted referral to urology.
- 5 out of 5 starsReviewed on 6/3/2024
Best pediatrician we've had. We travel from surprise to see him. He is kind, helpful, and very knowledgeable.
- 5 out of 5 starsReviewed on 6/3/2024
He was fabulous with my 2 grandboys and me. Patient, knowledgeable and informative.
- 5 out of 5 starsReviewed on 5/20/2024
Dr. Sarmiento is very professional, knowledgeable and very easy to talk to. He always asks what else he can do for my child and is a great listener. He never makes us feel rushed.
- 5 out of 5 starsReviewed on 5/18/2024
He's professional and patient, helps with questions we have about our child.
- 5 out of 5 starsReviewed on 5/13/2024
Dr. Sarmiento is always welcoming and genuinely cares for my kid's health.
- 5 out of 5 starsReviewed on 4/6/2024
He is so attentive and listens to any concerns we have. Always very nice and does not make us feel uncomfortable or anxious about the care of our little one
- 5 out of 5 starsReviewed on 1/6/2024
He is a great pediatrician and very knowledgeable! You can tell he is genuine and cares about his patients!
- 5 out of 5 starsReviewed on 12/20/2023
Dr. Sarmiento has seen my kids since they were babies, starting in Surprise, and we've followed him to the current location. I've always been happy with his care for my kids and ALWAYS feel comfortable expressing any concerns I have, and my kids feel the same. He has always created a positive experience for my kids and they look forward to their appointments with him! I'm incredibly grateful that my kids have such an awesome doctor!
- 5 out of 5 starsReviewed on 12/9/2023
Best pediatrician we've worked with. He's very caring and talked the time too explain and talk us through all our concerns.
- 5 out of 5 starsReviewed on 12/7/2023
Dr. Sarmiento is great at listening to our concerns and is very caring in providing treatment. He is also great with kids!
- 5 out of 5 starsReviewed on 10/19/2023
Dr. Sarmiento is phenomenal and I have already recommended him more times than I can count! He is the reason we are at this clinic.
- 5 out of 5 starsReviewed on 10/8/2023
He's always super kind, helpful, listens well and goes above and beyond.
- 5 out of 5 starsReviewed on 10/3/2023
He's a very knowledgeable, caring and amazing!
- 5 out of 5 starsReviewed on 9/19/2023
He is the most caring, knowledgeable, and problem oriented doctor I've ever known.
- 5 out of 5 starsReviewed on 9/13/2023
He's amazing! Very knowledgeable, caring, compassionate and my daughter loves him!
- 5 out of 5 starsReviewed on 9/12/2023
He treats every patient patiently.
- 5 out of 5 starsReviewed on 8/31/2023
What a wonderful doctor! Cannot say enough about him. My daughter is very comfortable speaking to Dr. Sarmiento!
- 5 out of 5 starsReviewed on 8/24/2023
He was so friendly and patient.
- 5 out of 5 starsReviewed on 8/12/2023
Dr. Sarmiento was very thorough while also keeping my son calm and happy.
- 5 out of 5 starsReviewed on 8/11/2023
He was caring, professional, and made sure all my questions were answered. Love it here and will enjoy future follow ups for my son.
- 5 out of 5 starsReviewed on 8/4/2023
Kind. Patient. Knowledgeable. Caring.
- 5 out of 5 starsReviewed on 7/31/2023
He was patient, kind and very thorough.
- 5 out of 5 starsReviewed on 7/22/2023
He is very professional, easy going, knowledgeable.
- 5 out of 5 starsReviewed on 6/28/2023
I would recommend him to all my family and friends! Such a fantastic doctor!
- 5 out of 5 starsReviewed on 6/12/2023
Takes time to address all our concerns!
- 5 out of 5 starsReviewed on 6/4/2023
Dr. Sarmiento is compassionate, listens to concerns and is very thorough in his examination and treatment. Greatly appreciate the time he takes with us.
- 5 out of 5 starsReviewed on 6/3/2023
We love Dr. Sarmiento! He is very patient and always answers any questions we have!
- 5 out of 5 starsReviewed on 4/28/2023
World class service
- 5 out of 5 starsReviewed on 4/24/2023
Dr. Sarmiento is the best. He's so nice. He gives my child stickers.
- 5 out of 5 starsReviewed on 4/10/2023
Dr .John Sarmiento is amazing! He took his time and listened to all of my concerns, and just made us feel so very welcome
- 5 out of 5 starsReviewed on 4/3/2023
He always makes us feel comfortable and takes the best care of my kids
- 5 out of 5 starsReviewed on 3/27/2023
Sarmiento was great.
- 5 out of 5 starsReviewed on 3/23/2023
Dr. Sarmiento is so professional yet very down to earth and easy to talk to. He makes concerns very easy to address and always makes sure to cover all the bases.
- 5 out of 5 starsReviewed on 3/7/2023
Dr. Sarmiento is wonderful.
- 5 out of 5 starsReviewed on 2/27/2023
He is really competent and professional in what he does.
- 5 out of 5 starsReviewed on 12/19/2022
Doctor Sarmiento and staff are wonderful, take time to listen to you and always explain things fully.
- 5 out of 5 starsReviewed on 12/4/2022
We love Dr Sarmiento. Been seeing him for years and he does a great job. Is extremely personable, knowledgeable, and takes his time with us.
- 5 out of 5 starsReviewed on 11/12/2022
Love the facility, but more importantly, love our provider! Dr. Sarmiento is the best there is!
- 5 out of 5 starsReviewed on 9/1/2022
Dr. Sarmiento is amazing. Makes my daughter feel comfortable.
- 5 out of 5 starsReviewed on 8/22/2022
Dr Sarmiento takes his time during appointments and is very thorough. He ordered xrays from an office in the same building. The xrays were taken immediately and Dr Sarmiento called us within an hour with the results. We are very satisfied with the level of care provided.
- 5 out of 5 starsReviewed on 3/7/2022
Dr. Sarmiento, his staff and the building are wonderful.
- 5 out of 5 starsReviewed on 12/3/2021
Very friendly clinic! Love Dr Sarmiento and would recommend him to anyone for peds.
- 5 out of 5 starsReviewed on 12/2/2021
Love Dr. Sarmiento. He remembered is after not seeing him for almost 5 years
- 5 out of 5 starsReviewed on 11/14/2021
Dr. Sarmiento and his staff are always the best to visit! Appointments are always quick and easy and they make sure my children are seen when they need to be with no issues. Dr. Sarmiento always follows up to check on them and I can't say how much that means to us!
- 5 out of 5 starsReviewed on 11/14/2021
I love the new facility and that it is a one stop shop. While I'm sad that Dr. Sarmiento is no longer down the street in Vistancia, he is more than worth the short drive to the new facility.
- 5 out of 5 starsReviewed on 9/3/2021
Very friendly and professional staff. I absolutely love Dr. Sarmiento. He is so patient with my son, and is very thorough. He never makes you feel rushed.
- 5 out of 5 starsReviewed on 8/5/2021
Great new office. Dr. Sarmiento is fantastic!
- 5 out of 5 starsReviewed on 3/14/2021
The nurses and front desk staff were extremely helpful. Dr. Sarmiento was wonderful with my son. He was very thorough and informative. He addressed all my concerns, and never made me feel rushed.
- 5 out of 5 starsReviewed on 2/1/2021
Dr Sarmiento is excellent. He treats my child as a human, listening to him and never rushing us out.
- 4 out of 5 starsReviewed on 3/16/2023
Professional
Similar Providers
Banner Health Center plus
7701 West Aspera Boulevard, Suite 201, Glendale, AZ 85308
Banner Health Center plus
7701 West Aspera Boulevard, Suite 201, Glendale, AZ 85308


