Individual provider · Type 1 NPI
Robert R. McWilliams, MD
Medical Oncology Physician · Peoria, IL
NPI number
1487633962
Active
Practice location
530 NE Glen Oak Ave
Peoria, IL 61637-0001
Mailing address
30791 High Rd
Fountain, MN 55935-5147
Other practice locations
- 200 1st St SW, Rochester, MN 55905-0001 · (507) 284-2511
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Internal Medicine Physician | 207R00000X | 036131628 (IL) |
| Hematology & Oncology Physician | 207RH0003X | 44014 (MN) |
| Medical Oncology Physician | 207RX0202X | 44014 (MN) |
| Medical Oncology Physician Primary | 207RX0202X | 036131628 (IL) |
Medical Oncology Physician: An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
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About NPI 1487633962
Robert R. McWilliams, MD's National Provider Identifier is 1487633962, issued on Jan 12, 2006. The primary taxonomy on file is Medical Oncology Physician (207RX0202X), and the practice location is in Peoria, IL. The record was last updated on Feb 25, 2026.