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

Dr. Kenji Oyasu, MD

Individual provider Substance Use Disorder Rehabilitation Clinic/Center · NPI 1487768552

Dr. Kenji Oyasu, MD is an Emergency Medicine in Waukegan, Illinois. Qualified in 1993, 33 years ago. Practices with Waukegan Clinic Corp, a 62-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
33
Licensed in
IL, IN
In the registry since
2006
Specialties on file
3
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

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

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

Additional practice locations (1)

  • 111 S Washington Ave Ste 202, Park Ridge, IL 60068-4293 — (847) 423-6800

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 01066275A (IN)
Substance Use Disorder Rehabilitation Clinic/Center Taxonomy 261QR0405X · Licence XO9045027 (IL)
Personal Emergency Response Attendant Taxonomy 146D00000X · Licence 036092087 (IL)

Record details

NPI number1487768552
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 18, 2006
Last updated in NPPESMarch 9, 2020
Certification dateMarch 9, 2020
Mailing address1324 N Sheridan Rd Dept Of, Waukegan, IL 60085-2161

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Waukegan Clinic Corp — 62 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Waukegan