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Leonard Klayman, DDS
NPI 1841360724 · General Practice Dentistry · Northbrook, IL
Leonard Klayman, DDS is a General Practice Dentistry provider in Northbrook, IL (NPI 1841360724).
Provider details
- NPI number
- 1841360724
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 019014892 (IL)
Specialties & taxonomies
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
1535 Lake Cook Rd
Suite 107
Northbrook, IL 60062-1453
Phone: (847) 291-8100
Fax: (847) 291-8182
Approximate (ZIP-level) locationGet directions
Mailing address
1535 Lake Cook Rd
Northbrook, IL 60062-1447
Registry dates
- Enumerated
- 2006-11-08
- Last updated
- 2016-08-11
Frequently asked questions
- What is Leonard Klayman's NPI number?
- Leonard Klayman's National Provider Identifier (NPI) is 1841360724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Klayman's specialty?
- Leonard Klayman is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Leonard Klayman located?
- Leonard Klayman's practice location on file with NPPES is 1535 Lake Cook Rd, Northbrook, IL 60062-1453.
- What is Leonard Klayman's phone number?
- The practice phone number listed in the NPPES registry for Leonard Klayman is (847) 291-8100.
- Is Leonard Klayman's NPI active?
- Yes — Leonard Klayman's NPI (1841360724) is active in the NPPES registry as of the last update on 2016-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.