What is Clarence Larkin's NPI number?

Clarence Larkin's National Provider Identifier (NPI) is 1750502019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clarence Larkin's specialty?

Clarence Larkin is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Clarence Larkin located?

Clarence Larkin's practice location on file with NPPES is 300 N Hammes Ave, Joliet, IL 60435-8116.

What is Clarence Larkin's phone number?

The practice phone number listed in the NPPES registry for Clarence Larkin is (815) 725-9595.

Is Clarence Larkin's NPI active?

Yes — Clarence Larkin's NPI (1750502019) is active in the NPPES registry as of the last update on 2026-05-17.

IndividualActive

Clarence Larkin, D.D.S.

NPI 1750502019 · General Practice Dentistry · Joliet, IL

Clarence Larkin, D.D.S. is a General Practice Dentistry provider in Joliet, IL (NPI 1750502019).

Provider details

NPI number: 1750502019
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

General Practice DentistryPrimary1223G0001X
Dental Providers

Profile Score

Detailed profile(83/100 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
83% 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

300 N Hammes Ave

Joliet, IL 60435-8116

Phone: (815) 725-9595

Fax: (815) 725-9596

Street-level locationGet directions

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Mailing address