License verifiedIndependent practice
William Hummer DDS
General dentistry · San Leandro, CA
515 Google reviews
William Hummer DDS
Key facts
- William Hummer DDS is 1 of 148 general dentists listed in San Leandro, CA.
- License status on record at the Dental Board of California: active.
- Independent practice.
- Public rating 5 from 15 Google reviews.
SmilesAtlas verification
What we independently checked against the official record. No other directory shows this.
✓
Dental license: active (#33780)
NPI matched to the Dental Board of California; license active.
Dental Board of California · verified✓
No disciplinary actions on record
Checked against the board's published enforcement list. None found.
Dental Board of California · verified✓
Independent practice
No parent organization or DSO brand in public records.
NPPES + ownership checkWhat we could not verify yet: Board-certification and continuing-education details are not something we can confirm from public records yet, so we leave them blank rather than assume. Ask the practice directly.
Public record last checked: June 2026.
About this practice
William Hummer DDS is a general dental practice at 1239 Harrison St in San Leandro, CA. Its dentist holds a license the Dental Board of California reports as active (license #33780), with no disciplinary action on record. Public records show it as independent practice (no parent organization or DSO brand in public records). It has 15 Google reviews at 5 stars. Posted hours cover 7 days a week.
Visit
Address
1239 Harrison St, San Leandro, CA 945774515
Phone
5103515711
Hours
Friday: 8am to 3pmMonday: 8am to 5pmSaturday: ClosedSunday: ClosedThursday: 8am to 6pmTuesday: 8am to 6pmWednesday: 8am to 5pm
Reputation
5
15 Google reviews
Frequently asked questions
Is William Hummer DDS a verified dentist?
William Hummer DDS holds a license the Dental Board of California reports as active (license #33780), is independent practice, and has 15 Google reviews. We last checked the public record in June 2026.
How can I double-check William Hummer DDS?
Open the official NPI record at NPPES NPI Registry (CMS) and search the Dental Board of California for the license number to confirm the status shown here.
Does William Hummer DDS accept new patients?
We do not have a confirmed new-patient status for William Hummer DDS; call the office to check.
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