What is Theresa Lao's NPI number?

Theresa Lao's National Provider Identifier (NPI) is 1275684367, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Theresa Lao's specialty?

Theresa Lao is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is Theresa Lao located?

Theresa Lao's practice location on file with NPPES is 3450 Lacey Rd, Downers Grove, IL 60515-5430.

What is Theresa Lao's phone number?

The practice phone number listed in the NPPES registry for Theresa Lao is (630) 743-4500.

Is Theresa Lao's NPI active?

Yes — Theresa Lao's NPI (1275684367) is active in the NPPES registry as of the last update on 2026-03-23.

IndividualActive

Theresa Lao, D.D.S.

NPI 1275684367 · Dentist · Downers Grove, IL

Theresa Lao, D.D.S. is a Dentist provider in Downers Grove, IL (NPI 1275684367).

Provider details

NPI number: 1275684367
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: D.D.S.
Sex: Female
Sole proprietor: No
License: 019021716 (IL)

Specialties & taxonomies

DentistPrimary122300000XLicense 019021716 (IL)
Dental Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

3450 Lacey Rd

Downers Grove, IL 60515-5430

Phone: (630) 743-4500

Street-level locationGet directions

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Mailing address