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Phelps & Cohen Orthodontics is a board-certified orthodontic practice in San Jose, CA.
About Phelps & Cohen Orthodontics
Palatal expanders and early phase-1 treatment come up often, with Dr. Jason Cohen credited for handling complex jaw and transfer cases carefully.
Reviews here lean heavily on cases involving palatal expanders and two-phase treatment started before puberty, including a bone-borne expander used to correct a narrow upper palate. Dr. Jason Cohen is repeatedly mentioned for avoiding unnecessary extractions, taking on transfer patients, and coordinating jaw surgery referrals for complex cases. Appointments are generally described as running on time and accommodating school schedules, though a few reviews note trouble booking outside school hours. Several families with multiple children in treatment mention good outcomes across the group.
Summary of 51 patient reviews, March 2016–June 2026, updated September 2026
Treatments offered
Who They Treat
Phelps & Cohen Orthodontics provides orthodontic treatment for the following age groups:
Technology & Equipment
Phelps & Cohen Orthodontics uses modern orthodontic technology to deliver precise, comfortable treatment.
Orthodontists at this office
PUJA PATEL, DDS, MS
NPI verified · no bio or photo on file
Dr. ERIC PHELPS --, DDS, MS
NPI verified · no bio or photo on file
Dr. STEPHANIE TSANG, DDS, MSD
NPI verified · no bio or photo on file
Jason Cohen, DDS, MS
NPI verified · no bio or photo on file
Insurance accepted
1 plan listedWhat patients say
Latest review 6 weeks ago
What patients praise
Things to know
Who it suits
Doctors patients mention
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| Theme | Praise | Criticism |
|---|---|---|
| Friendly staff | 19 | 0 |
| The orthodontist | 13 | 2 |
| Treatment results | 15 | 0 |
| Great with kids | 12 | 1 |
| Scheduling & wait times | 10 | 2 |
| Clear explanations | 8 | 2 |
| Gentle, comfortable care | 7 | 0 |
| Cost, insurance & financing | 4 | 3 |
Recent reviews from Google
This office came highly recommend recommended by our family friends who had an excellent experience and outcome for their child. We booked a consultation appointment to discuss options for our child’s retracted lower jaw. The office staff were courteous and it is clear that the Orthodontist in this practice have significant experience and excellent training. The lower review reflects our interaction with Dr. Cohen. He was thorough but we found his attitude condescending. He did not think the Herbst appliance would be worthwhile for our child and, when I asked to understand why, I was met with a curt “years of experience”. We were not necessarily pushing for any specific action or outcome but came to this highly regarded group to better understand our options. I respect Dr. Cohen’s professional opinion. However, the manner it was delivered flew below my standard for professional communication.
Phelps & Cohen helped my teeth grow stronger and less crooked. I recommend anyone that needs better teeth to go there.
This review should have been written at the very beginning but I especially want to share it now that everything is finally complete because Dr. Cohen truly did a great job. My child orthodontic process was unique, as it should have been finished in 2– 3 years. but due to out state school schedule, it stretched into more than five years. During this long journey, Dr. Cohen was always patient, flexible with any reschedule, and supportive in making all treatment progressed smoothly. The results speak for themselves, my child now have a beautiful smile and healthy teeth. Thanks to Dr. Cohen’s expertise and care. we are truly grateful for Dr. Cohen's dedication and highly recommend him to anyone seeking orthodontic treatment.
🌟Exceptional Orthodontic Care🌟 We’re so thankful we found Dr. Joy and the team at Cohen Orthodontics in San Jose. When my son first had consultations, two different orthodontists told us he would need 6 to 8 teeth pulled, including molars. That felt extreme, but we didn’t know we had another option. Our pediatric dentist referred us to Dr. Joy, and she did the most thorough evaluation. Her approach was clear: do everything possible to save his teeth. In the end, my son only needed to have his four wisdom teeth removed (they were impacted), and after nearly two years of treatment, all of his molars and teeth were saved. The results have been incredible, and we are so grateful she didn’t take the “easy route” of pulling teeth just to speed things up. We drive an hour each way every two months, and it has been 100% worth it. As a family with multiple kids in orthodontic treatment, we’ve seen the difference. My oldest daughter had six teeth pulled elsewhere, and now I realize that wasn’t necessary. Dr. Joy’s philosophy of preserving natural teeth has made such a positive impact, and we highly recommend her and the Cohen team to any family. We will soon begin our youngest for her treatment at Cohen with Dr Joy.
They are the best Orthodontics in the bay area. Both of my kids have completed or are in treatment with them. Friendly staff, nice patient incentives, clear communication with treatment, financing, etc.
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