OrganizationActive
Claymore Medical Group Sc
NPI 1255320271 · Internal Medicine Physician · Grayslake, IL
Provider details
- NPI number
- 1255320271
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Leventis, President(847) 223-4446
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1170 E Belvidere Rd
Suite 207
Grayslake, IL 60030-2061
Phone: (847) 223-4446
Fax: (847) 223-4944
Street-level locationGet directions
Mailing address
1170 E Belvidere Rd
Grayslake, IL 60030-2061
Registry dates
- Enumerated
- 2005-10-21
- Last updated
- 2020-08-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.