David Williams, M.D.
NPI 1356325328ActiveIndividual· Emergency Medicine· Chicago, IL
Emergency Medicine (M.D.) in Chicago, Illinois, trained at Harvard Medical School (class of 1991). Mostly services rather than prescriptions: Medicare paid $20,999 for 151 patients in 2024, with only 19 Part D claims. Scilex Pharmaceuticals Inc. reported $15.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1356325328 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 2, 2005 |
| Last updated in NPPES | May 29, 2020 |
| Certified by provider | May 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | MD447590 | PA |
| Emergency Medicine | 207P00000X | 036.087673 | IL |
| Emergency Medicine, Emergency Medical Services | 207PE0004X | 036087673 | 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 - Emergency Medicine (FL); Practitioner - Emergency Medicine (GA); Practitioner - Emergency Medicine (IL); Practitioner - Emergency Medicine (NC); Practitioner - Emergency Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 191 across 9 procedure codes |
| Paid by Medicare | $20,999 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19 · 32 30-day fills |
|---|---|
| Total drug cost | $255.52 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Foundation for Emergency ServicesChicago, IL · 13 clinicians
- Heartland Emergency Physicians PLLCChicago, IL · 10 clinicians
Hospital affiliations
- South Shore HospitalChicago, IL
- St Bernard HospitalChicago, IL
Industry payments (Open Payments)
- 2025$15.05 · 1 payment from 1 company
- 2024$19.63 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Scilex Pharmaceuticals Inc. | $15.05 | 1 |
What the 2025 payments were for
- Food and Beverage$15.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,376 emergency medicine physicians in Chicago · All emergency medicine physicians in Illinois