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

Dr. Thomas H Oh, MD

Individual provider Emergency Medicine Physician · NPI 1033275276

Dr. Thomas H Oh, MD is an Emergency Medicine in Naperville, Illinois. Graduated from Loma Linda University School of Medicine in 1999, 27 years ago. Practices with Midwest Medical Center, a 36-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
27
Trained at
Loma Linda University School of Medicine
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

801 S Washington St Emergency Medicine
Naperville, IL 60540-7430
Phone: (630) 527-3000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036-106421 (IL)

Record details

NPI number1033275276
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 30, 2006
Last updated in NPPESDecember 1, 2025
Certification dateDecember 1, 2025
Mailing address2650 Ridge Ave., 1223, Evanston, IL 60201-1718

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Midwest Medical Center — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Naperville