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Lloyd Sigman, DDS, Ltd.

Dental clinic in Highland Park, Illinois

Address
1770 1st St, Suite 410, Highland Park, IL 60035
Phone
(847) 432-5520
NPI
1215140124

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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 Lloyd Sigman, DDS, Ltd.

Population
30,398
Median household income
$168,094 (U.S. $80,734)
Median age
45.0 (U.S. 38.9)
Age mix
23.8% under 18 · 24.3% age 65+
Without health insurance
2.1% (U.S. 8.4%)
Residents per registered dentist
Lake County: about 925 · U.S.: about 1,244

Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates (ZIP 60035). 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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