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

Dr. Ryan Nicholas Chellin, DO

Individual provider Emergency Medicine Physician · NPI 1952536104

Dr. Ryan Nicholas Chellin, DO is an Emergency Medicine in Waukegan, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2009, 17 years ago. Practices with Freeport Memorial Hospital, a 140-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
17
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL, WI
In the registry since
2009
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1324 N Sheridan Rd
Waukegan, IL 60085-2161
Phone: (847) 360-3000
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036.129614 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 60561 (WI)

Record details

NPI number1952536104
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 18, 2009
Last updated in NPPESApril 24, 2023
Certification dateApril 24, 2023
Mailing address21 Tournament Dr N, Hawthorn Woods, IL 60047-8401

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2009 (17 years in practice)
Group practice Freeport Memorial Hospital — 140 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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