Earl Charles Williams Jr., MD
NPI 1912561077ActiveIndividual· Emergency Medicine· Crystal Lake, IL
Emergency Medicine (MD) with Emergency Coverage LLC and 1 other group, practicing in Crystal Lake, Illinois. 147 Medicare patients in 2024, $14,773 paid; nearly all of their 81 Part D prescriptions were generic (96%). Lists Heartland Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1912561077 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 24, 2019 |
| Last updated in NPPES | Oct 20, 2023 |
| Certified by provider | Oct 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036167126 | IL |
| Emergency Medicine | 207P00000X | 125-076961 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (IL); Practitioner - Emergency Medicine (KY); Practitioner - Emergency Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 171 across 13 procedure codes |
| Paid by Medicare | $14,773 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 81 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $512.57 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Emergency Coverage LLCRichmond, VA · 775 clinicians
- Mercy Health System CorporationJanesville, WI · 753 clinicians
Hospital affiliations
- Heartland Regional Medical CenterMarion, IL
- Mercyhealth Hospital & Physician Clinic-Crystal laCrystal Lake, IL
- Sovah Health DanvilleDanville, VA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other emergency medicine physicians in Crystal Lake
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- 1538517198