Demetrios John Louis, M.D.
NPI 1477709442ActiveIndividual· Anesthesiology, Pain Medicine· Arlington Heights, IL
Anesthesiology, Pain Medicine (M.D.) with Innovative Pain Specialists LLC, practicing in Arlington Heights, Illinois. 381 Medicare patients in 2024, $261,900 paid; nearly all of their 1,251 Part D prescriptions were generic (94%). Boston Scientific Corporation was the largest of 14 companies reporting payments in 2025, $1,376 in all, mostly food and beverage. Lists Advocate Condell Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1477709442 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 11, 2008 |
| Last updated in NPPES | Apr 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | 036122435 | IL |
| Anesthesiology | 207L00000X | 125048597 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 381 |
|---|---|
| Services billed | 8,761 across 65 procedure codes |
| Paid by Medicare | $261,900 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,251 · 1,346 30-day fills |
|---|---|
| Patients | 198 |
| Total drug cost | $54,636 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Anesthesiology |
| Secondary specialties | Pain Management |
Medical group
- Innovative Pain Specialists LLCArlington Heights, IL · 4 clinicians
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
- Northwestern Medicine McHenryMcHenry, IL
Industry payments (Open Payments)
- 2025$1,376 · 50 payments from 14 companies
- 2024$1,140 · 55 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $403.06 | 11 |
| Abbott Laboratories | $357.28 | 9 |
| Medtronic, Inc. | $157.60 | 6 |
| Collegium Pharmaceutical, Inc. | $142.10 | 10 |
| Abbvie Inc. | $87.39 | 3 |
What the 2025 payments were for
- Food and Beverage$1,376 · 50 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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