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John Cheng DMD PLLC

Dental clinic in Seattle, Washington

Address
3340 Ne 125th St, Seattle, WA 98125
Phone
(206) 363-6868
NPI
1346634300

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Hours, services, and accepted insurance vary — call ahead to confirm before booking. Listing data comes from the federal NPPES provider registry.

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The community around John Cheng DMD PLLC

Population
44,520
Median household income
$99,868 (U.S. $80,734)
Median age
37.3 (U.S. 38.9)
Age mix
14.8% under 18 · 16.9% age 65+
Without health insurance
6.4% (U.S. 8.4%)
Residents per registered dentist
King County: about 787 · U.S.: about 1,244

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates (ZIP 98125). Dentist ratios count NPI-registered dentists by practice address and may include dentists who are not actively seeing patients.

What to know before you book

General dentists handle checkups, cleanings, fillings, and crowns, and refer to specialists for complex cases. Bring a photo ID, your dental insurance card or a payment method (many offices offer cash pricing or in-house membership plans — ask when you call), and a list of current medications. For a severe toothache, chipped tooth, or a knocked-out tooth, call and ask about same-day emergency slots; for facial trauma, uncontrolled bleeding, or swelling that affects breathing or swallowing, go to an emergency room.

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