Atkinson Clinic Sc
NPI 1437169646 · Internal Medicine Physician · Grayslake, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Atkinson Clinic Sc is a Internal Medicine Physician organization in Grayslake, IL (NPI 1437169646).
Provider details
- NPI number
- 1437169646
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sergei Shevlyagin, Owner(847) 548-9777
- License
- 036978646 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-09
- Last updated
- 2012-08-21
Frequently asked questions
- What is Atkinson Clinic Sc's NPI number?
- Atkinson Clinic Sc's National Provider Identifier (NPI) is 1437169646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Atkinson Clinic Sc?
- Atkinson Clinic Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Atkinson Clinic Sc located?
- Atkinson Clinic Sc's practice location on file with NPPES is 100 N Atkinson Rd Ste 207, Grayslake, IL 60030-7804.
- What is Atkinson Clinic Sc's phone number?
- The practice phone number listed in the NPPES registry for Atkinson Clinic Sc is (847) 548-9777.
- Does Atkinson Clinic Sc accept Medicare?
- Atkinson Clinic Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Atkinson Clinic Sc?
- The authorized official listed on Atkinson Clinic Sc's NPPES record is Sergei Shevlyagin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Atkinson Clinic Sc's NPI active?
- Yes — Atkinson Clinic Sc's NPI (1437169646) is active in the NPPES registry as of the last update on 2012-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.