◆ #3 highest-rated dentist in Union City

Dr. Leon H. Chang, DDS

★★★★★4.9 · 293 Google reviews Dentist in Union City, CA
★ 4.9 rating ◆ Top-rated in Union City ✓ Dental.me Profile

Last updated Jun 29, 2026 · Dental.me Score is independent and can’t be bought.

Quick answer: Dr. Leon H. Chang, DDS in Union City

Dr. Leon H. Chang, DDS has 4.9-star rating across 293 Google reviews, Dental.me Score 96 out of 100, address in Union City, CA, phone number, website, 1 business category, and 6 days with hours on Dental.me. Compare contact details, map context, business categories, reviews, Dental.me Score, hours, and nearby dental options.

#3 of 42
Union City dentists by Dental.me Score
4.9 vs 4.6
its rating vs the Union City average
Top 5%
review volume — 293 beats 95% of Union City practices

About Dr. Leon H. Chang, DDS

Dr. Leon H. Chang, DDS is located at 33800 Alvarado-niles Rd, Union City, CA 94587. Its Dental.me profile includes phone, website, dental categories, Google rating and review data, business hours, and Google Maps details.

To contact the office, call (510) 489-4660, visit leonchangdds.com, and open its Google Maps profile.

Dental categories connected to this profile: General Dentistry.

General Dentistry

Reviews and ratings for Dr. Leon H. Chang, DDS

Google business data shows Dr. Leon H. Chang, DDS with a 4.9-star rating across 293 reviews.

Dr. Leon H. Chang, DDS has a Dental.me Score of 96, calculated from star-rating strength, review-count confidence, exact review-count tie-breakers, and limited verification signals.

Within Union City, this profile ranks #3 out of 42 scored dental profiles on Dental.me.

View Google reviews for Dr. Leon H. Chang, DDS →

What Dental.me knows about this practice

Location
33800 Alvarado-niles Rd, Union City, CA 94587
Contact paths
phone, website, and Google Maps
Google review signal
4.9 stars from 293 reviews
Dental.me Score
96/100 score
Category signals
General Dentistry
Business hours
6 days with published hours

How it compares in Union City

RankDentistRatingReviewsScore
#1Dipali Dave DDS Inc4.951797
#2Dental Corporation of Patel and Mokbil5.019896
#3Dr. Leon H. Chang, DDSYou’re viewing4.929396
#4Ann Bess Chanco Dental Prof Corp4.919396
#5Chong Orthodontics4.917296
For this practice’s team: This practice scores 96. Verify it to raise its Dental.me Score to 99. Verify now →

Practice details

Address
33800 Alvarado-niles Rd, Union City, CA 94587
Phone
(510) 489-4660
Google profile
View on Maps · 293 reviews

Compare and contact Dr. Leon H. Chang, DDS

Compare Dr. Leon H. Chang, DDS using address, phone, website, 4.9-star Google rating, 293 Google reviews, Dental.me Score 96, 1 dental category, and 6 days with published hours.

Open the Union City dentist directory to compare other local profiles, or browse the California dental directory for a statewide view.

Frequently asked questions

How do I contact Dr. Leon H. Chang, DDS?
Call Dr. Leon H. Chang, DDS at (510) 489-4660. For more information, visit leonchangdds.com.
Where is Dr. Leon H. Chang, DDS located?
Dr. Leon H. Chang, DDS is located at 33800 Alvarado-niles Rd, Union City, CA 94587.
Does Dr. Leon H. Chang, DDS have a website?
Yes. The website for Dr. Leon H. Chang, DDS is leonchangdds.com.
What rating does Google show for Dr. Leon H. Chang, DDS?
Google business data shows Dr. Leon H. Chang, DDS with a 4.9-star rating from 293 reviews.
What are Dr. Leon H. Chang, DDS's business hours?
Business hours shown: Monday 9AM–5PM; Tuesday 9AM–5PM; Wednesday 9AM–5PM; Thursday 9AM–5PM; Friday 9AM–5PM; Saturday 8AM–3PM; Sunday Closed.
What dental categories is Dr. Leon H. Chang, DDS connected to?
Business categories connected to this practice include General Dentistry.
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Dental.me guides for Union City

How Dental.me verifies this data. We combine provider, location, business-profile, practice website, dentist-submitted, correction, and direct office-confirmation data. Profiles show a last-updated date, and rankings are independent of paid placement. Verification methodology · How we rank

Profile data includes practice, provider, location, and business-profile information organized by Dental.me. Last updated June 30, 2026.