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

John C Gaskill, MD

Individual provider Emergency Medicine Physician · NPI 1316058043

John C Gaskill, MD is an Emergency Medicine in Crystal Lake, Illinois. Graduated from Rush Medical College of Rush University in 1993, 33 years ago. Practices with Freeport Memorial Hospital, a 140-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
33
Trained at
Rush Medical College of Rush University
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

875 S Route 31
Crystal Lake, IL 60014
Phone: (888) 396-3729
Show map & directions

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

Additional practice locations (2)

  • 1515 E Lake St, Hanover Park, IL 60133-4896 — (847) 472-1500
  • 530 Park Ave E, Princeton, IL 61356 — (815) 875-2811

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036092988 (IL)

Record details

NPI number1316058043
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESSeptember 20, 2023
Certification dateSeptember 19, 2023
Mailing address530 Park Ave E, Princeton, IL 61356

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 1993 (33 years in practice)
Group practice Freeport Memorial Hospital — 140 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Crystal Lake