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

Dr. Roy K Werner Sr., MD, MS

Individual provider Emergency Medicine Physician · NPI 1518952969

Dr. Roy K Werner Sr., MD, MS is an Emergency Medicine in Crestwood, Illinois. Qualified in 2001, 25 years ago. Practices with Genesis Health System, a 262-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
25
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

13448 S Cicero Ave
Crestwood, IL 60445
Phone: (708) 682-3384
Fax: (708) 682-3385
Show map & directions

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

Additional practice locations (1)

  • 2525 S. Michigan Avenue, Chicago, IL 60616-2000 — (312) 567-2000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036115221 (IL)

Record details

NPI number1518952969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MS
Sole proprietorNo
NPI enumeratedSeptember 13, 2005
Last updated in NPPESJanuary 31, 2022
Certification dateJanuary 23, 2022
Mailing address10782 Greywall Ln, Huntley, IL 60142-4070

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Genesis Health System — 262 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount