Sergei Shevlyagin, MD
NPI 1235123589ActiveIndividual· Internal Medicine· Mundelein, IL
Internal Medicine (MD) in Mundelein, Illinois, licensed in IL, with an NPI issued in September 2005. Their prescriptions cost Medicare Part D more than their services did: $446,485 for 6,290 claims, against $99,485 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $45.12 in all, mostly food and beverage. Lists Advocate Condell Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1235123589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 1, 2005 |
| Last updated in NPPES | Jun 27, 2025 |
| Certified by provider | Jun 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-100102 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 1,467 across 34 procedure codes |
| Paid by Medicare | $99,485 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,290 · 10,935 30-day fills |
|---|---|
| Patients | 281 |
| Total drug cost | $446,485 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Diagnostic Radiology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Advocate Condell Medical CenterLibertyville, IL
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Lake Forest HospitalLake Forest, IL
Other facilities
- Advanta Home Health Care, IncHome health agency · Northfield, IL
- Elite Home Health Care, IncHome health agency · Northbrook, IL
- Lhc - Illinois Home Health CareHome health agency · Gurnee, IL
- T & N Health Services IncHome health agency · Schiller Park, IL
- Accord HospiceHospice · Deerfield, IL
- Caretenders HospiceHospice · Rolling Mdws, IL
- Sanctuary HospiceHospice · Westchester, IL
- Vitas Healthcare Corporation of IllinoisHospice · Lombard, IL
Industry payments (Open Payments)
- 2025$45.12 · 2 payments from 2 companies
- 2024$96.06 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $23.94 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $21.18 | 1 |
What the 2025 payments were for
- Food and Beverage$45.12 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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