OrganizationActive
Lloyd Sigman, DDS, Ltd.
NPI 1215140124 · General Practice Dentistry · Highland Park, IL
Lloyd Sigman, DDS, Ltd. is a General Practice Dentistry organization in Highland Park, IL (NPI 1215140124).
Provider details
- NPI number
- 1215140124
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Lloyd Sigman, President(847) 432-5520
- License
- 019021136 (IL)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 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
1770 1st St
Suite 410
Highland Park, IL 60035-3200
Phone: (847) 432-5520
Street-level locationGet directions
Mailing address
275 Coachmaker Dr
Northbrook, IL 60062-1507
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2012-06-15
Frequently asked questions
- What is Lloyd Sigman, DDS, Ltd.'s NPI number?
- Lloyd Sigman, DDS, Ltd.'s National Provider Identifier (NPI) is 1215140124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lloyd Sigman, DDS, Ltd.?
- Lloyd Sigman, DDS, Ltd. is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Lloyd Sigman, DDS, Ltd. located?
- Lloyd Sigman, DDS, Ltd.'s practice location on file with NPPES is 1770 1st St, Highland Park, IL 60035-3200.
- What is Lloyd Sigman, DDS, Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for Lloyd Sigman, DDS, Ltd. is (847) 432-5520.
- Who is the authorized official for Lloyd Sigman, DDS, Ltd.?
- The authorized official listed on Lloyd Sigman, DDS, Ltd.'s NPPES record is Lloyd Sigman, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lloyd Sigman, DDS, Ltd.'s NPI active?
- Yes — Lloyd Sigman, DDS, Ltd.'s NPI (1215140124) is active in the NPPES registry as of the last update on 2012-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.