Top Rated Dentists Serving Marin County, CA

If you really care about choosing a quality dentist, we’re here for you. Here’s your access to the best dentists serving Marin County including 94901, 94941, 94903, 94947 and 94945. These dental practices provide endodontistry and oral hygiene, and they also work on teeth cleaning, dental crowns and dental exams. For 22 years we’ve conducted the most accurate ratings and deepest research of local practices, so you’ll be confident in choosing.

  • Last Updated Mar 04, 2026
  • 3,303 people sourced companies in Dentist
    8,274 Verified Dentist Customers Surveyed
8,274
3,303
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William R. Hummer, DDS is a general dentist practicing in San Leandro who offers a wide range of procedures to patients of all ages. The practice rece...
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Main Services

Dentist
loarrowgo

Additional Services

Cosmetic, Preventive and Restorative Dentistry, Invisalign, Drill-Free Dentistry, Nitrous Oxide, Sinsational Smile Teeth Whitening, Implant Tooth Replacement, Including Implant-Supported Prosthetics, Orthodontics, Bleaching, Nightguards and Mouthguards, White Fillings, TV/Headphones

Brands

Invisalign, Crystalmark, Lancer Orthodontics

Coverage Areas

Alameda County

Established in 1985
Established in 1985
Appointments Available
Appointments Available
Live Phone Call Answers
Live Phone Call Answers
Diamond Certified Expert Contributor
Diamond Certified Expert Contributor
  • Quick Connect
1239 Harrison St, San Leandro, CA 94577
Hours CLOSED NOW
License:
33780,
40376
Learn how to choose a Dentist and more…
Diamond Certified Dentists In Marin County

Diamond Certified dentists serving Marin County are rated an average of 4.7 out of 5 stars based on 2328 reviews of 72 rated dentists.
Diamond Certified dentists in Marin County Avg. Star Rating.

    Map of Marin County, CA

    Marin County was founded in 1775, and today, your 252,409 neighbors use dentists for dental crowns, dental implants, dental exams, oral hygiene, general dentistry, and more.

    Frequently Asked Questions for Dentist in Marin, CA
    Q: What are patients of Diamond Certified dentists saying about practices in Marin County, CA?
    A: Verified William R. Hummer, DDS Customer, 1 of 410
    "My husband has been a patient of theirs and now I go there too. They are very helpful, friendly and professional. It's been a positive experience for both of us. I like that they greet you and get you in at the scheduled time for my appointment. I am not kept waiting. They are organized, efficient, and their appointments run on time. " - Aisha H.
    All Survey Responses for William R. Hummer, DDS
    Q: What are some of the most popular brands that Diamond Certified dentists use when working with Marin County residents?
    A: Diamond Certified dentists use top-quality brands like Reach, Listerine, Curaprox, Polident and Tom's of Maine.
    Q: What types of endodontistry do dentists offer?
    A: Dentists specializing in endodontics offer a variety of treatments primarily focused on the dental pulp, which is the inner part of the tooth comprising nerves, blood vessels, and connective tissue. They perform root canal treatments to remove infected or damaged pulp, endodontic retreatment for previously treated teeth that are not healing properly or have become infected again, surgery to treat persistent or complex infections, and procedures to repair traumatic dental injuries such as cracked or knocked-out teeth. They also diagnose and manage dental pain.
    Q: Can Diamond Certified dentists work with Colgate products and similar items so I can get endodontistry in Marin County?
    A: Yes, Diamond Certified dentists in Marin County can use Colgate products and similar items for endodontistry.
    Q: What did people search for when they wanted to find the best quality dentists in Marin County?
    A: Endodontistry
    Oral Hygiene
    Dental Exams
    Dental Exams
    Dental Fillings