Dr. Willis Ko, MD
Dr. Willis Ko, MD is an Interventional Cardiology in Maryville, Illinois. Qualified in 2017, 9 years ago. Practices with Fairview Heights Medical Group SC, a 448-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois, Missouri and Pennsylvania.
- Years since qualifying
- 9
- Licensed in
- IL, MO, PA
- In the registry since
- 2017
- Specialties on file
- 4
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
6810 State Route 162 Ste 102BMaryville, IL 62062-8560
Phone: (618) 288-4076
Fax: (618) 288-4215
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (3)
- 201 14th St Sw, Largo, FL 33770-3133 — (727) 588-3700
- 5645 Main St, Flushing, NY 11355-5045 — (718) 670-2000
- 230 N Broad Street, Philadelphia, PA 19102 — (215) 762-7000
Specialties & licences
| Interventional Cardiology Physician (primary) | Taxonomy 207RI0011X · Licence 036171090 (IL) |
|---|---|
| Cardiovascular Disease Physician | Taxonomy 207RC0000X · Licence MT213475 (PA) |
| Internal Medicine Physician | Taxonomy 207R00000X · Licence MT213475 (PA) |
| Interventional Cardiology Physician | Taxonomy 207RI0011X · Licence 2024024174 (MO) |
Record details
| NPI number | 1215465307 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | June 1, 2017 |
| Last updated in NPPES | September 19, 2025 |
| Certification date | September 19, 2025 |
| Mailing address | 660 Mason Ridge Center Dr Ste 300, Saint Louis, MO 63141-8512 |
Medicare enrollment
| Medicare specialty | INTERVENTIONAL CARDIOLOGY |
|---|---|
| Medical school | OTHER |
| Graduated | 2017 (9 years in practice) |
| Group practice | Fairview Heights Medical Group Sc — 448 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 7 on file with Medicare |