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AAO MemberAccepting new patients

San Leandro Smiles

San Leandro Smiles is an AAO member orthodontic practice in San Leandro, CA.

299 Juana Ave, San Leandro, CA 94577
4.9(85 reviews)
Call Now(510) 483-5524WebsiteDirections

About San Leandro Smiles

A clean, well-run office and same-day text responses stand alongside Dr. Sexton's work correcting bite issues for both kids and nervous adult patients.

San Leandro Smiles treats a steady mix of children and adults with braces, and reviews often highlight a tidy, well-organized office with added safety measures since reopening. Dr. Sexton is noted for detail-oriented bite and spacing work, with several reviews crediting the practice for resolving jaw pain and easing adults' worries about starting treatment later in life. Text reminders and same-day responses to urgent issues, like a broken appliance, come up as well, and one family described being accommodated for urgent care while out of town.

Summary of 50 patient reviews, November 2018–September 2026, updated September 2026

Treatments offered

InvisalignInvisalignClear AlignersClear AlignersTraditional BracesTraditional BracesSurgical OrthodonticsSurgical OrthodonticsTMJ TreatmentTMJ TreatmentRetainersRetainers
GuidesHow much does Invisalign cost? →Clear aligner costs explained →Adult braces cost guide →

Who They Treat

San Leandro Smiles provides orthodontic treatment for the following age groups:

Children
Ages 6–11
Teens
Ages 12–17
Adults
Ages 18+

Technology & Equipment

San Leandro Smiles uses modern orthodontic technology to deliver precise, comfortable treatment.

TADs / Mini-Screws
TADs

Orthodontists at this office

provider
headshot

Nancy Ung, D.M.D., M.P.H., MSD

NPI verified · no bio or photo on file

NPI VERIFIEDAccepting New Patients

Insurance accepted

5 plans listed
AetnaDelta Dental PPOHumanaRenaissance DentalUnited Concordia
San Leandro Smiles does not list Medicaid. Coverage varies by plan tier — confirm with the office before your first visit.

What patients say

Latest review 7 weeks ago

What patients praise

  • Reviews describe the office as clean, well-organized, and pleasant, with extra precautions in place since reopening.
  • Dr. Sexton is credited with detail-oriented bite and spacing corrections that resolved jaw pain for some patients.
  • Adult patients mention starting treatment nervous but finishing satisfied with the process and outcome.

Who it suits

  • Adults considering braces
  • Families with multiple children in treatment
  • Anxious or first-time orthodontic patients

Doctors patients mention

  • Dr. Sexton · 13 reviews
Last 12 months
15 reviews
averaging 5.0★
Owner replies
21% of reviews
Reviews per month
9
Oct 2023Sep 2026
Reviews per month
Oct 20231
Nov 20230
Dec 20230
Jan 20240
Feb 20240
Mar 20240
Apr 20240
May 20240
Jun 20240
Jul 20241
Aug 20240
Sep 20240
Oct 20240
Nov 20240
Dec 20240
Jan 20250
Feb 20252
Mar 20250
Apr 20251
May 20250
Jun 20251
Jul 20250
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Sep 20250
Oct 20250
Nov 20250
Dec 20250
Jan 20260
Feb 20260
Mar 20260
Apr 20269
May 20265
Jun 20260
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Sep 20261
Star ratings
  • 5★95
  • 4★2
  • 3★0
  • 2★0
  • 1★1
Average rating by year
  • 20185.0
  • 20195.0
  • 20205.0
  • 20214.9
  • 20225.0
  • 20235.0
  • 20245.0
  • 20255.0
  • 20265.0
1★5★
Treatments patients mention
  • Braces26
What patients talk about
PraiseCriticism
  • Friendly staff25
  • Office & technology12
  • The orthodontist10
  • Clear explanations7 / 1
  • Gentle, comfortable care8
  • Treatment results8
  • Great with kids7
  • Scheduling & wait times3
What patients talk about
ThemePraiseCriticism
Friendly staff250
Office & technology120
The orthodontist100
Clear explanations71
Gentle, comfortable care80
Treatment results80
Great with kids70
Scheduling & wait times30

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Recent reviews from Google

4.9
85 reviews
Alden F. Cohen
Alden F. Cohen
4 months ago
“

Great team. My daughter had a last minute issue with her braces, and all I had to do was send a text and got a response with two available appointments that morning to bring her in to fix an issue.

Review from Google

cuiting lu
cuiting lu
4 months ago
“

Great experience, doctors were very nice!

Review from Google

Carolina Duenas
Carolina Duenas
4 months ago
“

My son had his braces early on since 8 and we had a wonderful experience!!!

Review from Google

Abraham Rosas
Abraham Rosas
4 months ago
“

Very good experience my been having my family in this place for many years I love their professionalism and how clean and welcoming it feels

Review from Google

Taylor Tang
Taylor Tang
4 months ago
“

Really good braces and the staff is really kind

Review from Google

Read all 85 reviews on Google →

Questions about this practice

What orthodontic treatments does San Leandro Smiles offer?+
San Leandro Smiles offers: Invisalign, Clear Aligners, Traditional Braces, Surgical Orthodontics, TMJ Treatment, Retainers.
Does San Leandro Smiles accept dental insurance?+
San Leandro Smiles accepts Aetna, Delta Dental PPO, Humana, Renaissance Dental, United Concordia.
Does San Leandro Smiles offer free consultations?+
Yes, San Leandro Smiles offers a free initial orthodontic consultation. Call (510) 483-5524 to schedule.
Is San Leandro Smiles accepting new patients?+
San Leandro Smiles is currently welcoming new patients in San Leandro, CA. Call (510) 483-5524 to schedule.
Where is San Leandro Smiles located?+
San Leandro Smiles is located at 299 Juana Ave. Get directions: https://maps.google.com/?cid=4177874992238472207&g_mp=CiVnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLkdldFBsYWNlEAIYBCAA
What are the office hours for San Leandro Smiles?+
San Leandro Smiles office hours: Mon 8:00 AM–5:00 PM, Tue 7:30 AM–4:00 PM, Wed 8:00 AM–5:00 PM, Thu 8:00 AM–5:00 PM, Fri Closed–Closed, Sat Closed–Closed, Sun Closed–Closed.
Does San Leandro Smiles offer payment plans?+
Yes, San Leandro Smiles offers flexible payment plans to make orthodontic treatment affordable.
Who are the orthodontists at San Leandro Smiles?+
San Leandro Smiles is staffed by Nancy Ung. The practice is a member of the American Association of Orthodontists (AAO).
What is the patient rating for San Leandro Smiles?+
San Leandro Smiles has a 4.9-star rating based on 85 patient reviews on Google.

Other San Leandro Smiles locations

Berkeley Orthodontics
910 Ensenada Ave, Berkeley · 5.0 (32) · Board certified
View →
Berkeley Orthodontics: Telegraph Ave Office
2640 Telegraph Ave Ste 201, Berkeley · 4.9 (45) · Board certified
View →

Research with AI

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299 Juana Ave
San Leandro, CA 94577
Get Directions
(510) 483-5524
sanleandrosmiles.com/
Open in Google Maps
Accepting new patients
Free Consultation
Payment Plans Available
In-House Financing
Emergency Hours Available

Accessibility & Parking

Wheelchair Accessible Entrance
Wheelchair Accessible Parking
Wheelchair Accessible Restroom
CashCredit CardsDebit CardsContactless / NFC
Mon8:00 AM – 5:00 PM
Tue7:30 AM – 4:00 PM
Wed8:00 AM – 5:00 PM
Thu8:00 AM – 5:00 PM
FriClosed
SatClosed
SunClosed

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