Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Earl Charles Williams Jr., MD

Individual provider Emergency Medicine Physician · NPI 1912561077

Earl Charles Williams Jr., MD is an Emergency Medicine in Crystal Lake, Illinois. Qualified in 2020, 6 years ago. Practices with Emergency Coverage LLC, a 771-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
6
Licensed in
IL
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

875 S Route 31
Crystal Lake, IL 60014
Phone: (815) 356-7494
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 901 Grant St, Harvard, IL 60033-1821 — (815) 943-5431

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036167126 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 125-076961 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1912561077
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 24, 2019
Last updated in NPPESOctober 20, 2023
Certification dateOctober 19, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Emergency Coverage Llc — 771 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Crystal Lake