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

Wonil Tae, MD

Individual provider Internal Medicine Physician · NPI 1336301779

Wonil Tae, MD is an Internal Medicine in Alton, Illinois. Qualified in 1997, 29 years ago. Practices with Osf Multi-Specialty Group, a 2,128-clinician group and accepts Medicare assignment. Licensed in Alabama and Illinois.

Years since qualifying
29
Licensed in
AL, IL
In the registry since
2008
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2 Saint Anthonys Way
Alton, IL 62002-4569
Phone: (618) 642-2222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 036121542 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 30927 (AL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036121542 (IL)

Record details

NPI number1336301779
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2008
Last updated in NPPESApril 23, 2025
Certification dateApril 23, 2025
Mailing address2 Saint Anthonys Way, Alton, IL 62002-4569

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesENDOCRINOLOGY
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Osf Multi-Specialty Group — 2128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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