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Edit this profileWhere to find Robert R. McWilliams, M.D.
- Peoria location main office
530 Ne Glen Oak Ave, Peoria, IL 61637 - Rochester location
200 1st St SW, Rochester, MN 55905
About Dr. Mcwilliams
Based in Peoria, IL, Robert R. McWilliams, M.D. is listed in the NPI registry under medical oncology. Robert graduated from George Washington University School of Medicine in 1997. Robert is also listed as specializing in internal medicine and hematology & oncology. According to Medicare claims data, Robert cared for 637 Medicare patients across 11,358 services. The services billed most often include injection, nivolumab, 1 mg, injection, pembrolizumab, 1 mg, and injection, daratumumab, 10 mg and hyaluronidase-fihj. NPI 1487633962 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (309) 655-2000
- Email not available
Practice Locations
530 NE GLEN OAK AVE
Peoria, IL 61637
200 1st St SW
Rochester, MN 55905
Conditions Commonly Evaluated or Treated
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Abdominal cancer
- Peritoneal Cancer
Blood cancer
- Blood Cancer
Blood disorders
Cancer complications
Chest cancer
Complications
- Abdominal fluid swelling from cancer
- Fluid around lungs from cancer
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
- Head and neck cancer
- Oral cavity cancer
- Salivary Gland Cancer
Metastatic cancer
- Cancer Spread to the Lung
Metastatic disease
- Cancer spread to bones
- Cancer that spread to brain
- Cancer that spread to liver
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
- Cancer pain
- Cancer-related fatigue
- Swollen Lymph Nodes
Thoracic cancers
Treatment side effects
- Chemo Rash
- Mouth Sores From Chemo
- Nerve Pain From Chemo
Urologic cancer
Urologic cancers
Procedures & services
Most searched procedures
Cancer treatment care
- Immunotherapy Side Effect Management
- Maintenance Cancer Therapy
Complication management
- Cancer Blood Clot Treatment
Consultations
- Cancer survivorship care
- Integrative oncology consultation
- Post-cancer surveillance scan review
- Pre-Surgery Chemotherapy Consultation
- Preventative Chemotherapy Consultation
- Radiopharmaceutical therapy consultation
- Second Opinion For Cancer
- Stem cell transplant consultation
- Tumor Board Case Review
Diagnostic testing
Diagnostics
- Bone Marrow Biopsy
- Cancer Genetic Testing
- Pathology second opinion for cancer
- Tumor Biomarker Testing
Infusions
- Bone Strengthening Infusion
- Iron Infusion
- IV hydration for cancer patients
- Neurologic infusion treatment
Injections
Medication management
- Oral cancer medication monitoring
Patient education
- Chemo Teaching And Education
Port and line care
- Central line placement in child
- Chemo port removal
- PICC line care and removal
Procedures
Specialized treatments
- Bladder instillation therapy
- Heated Chemotherapy Consultation
- Hepatic Artery Pump Chemotherapy Consultation
Specialty treatments
- Bone Strengthening Injections For Cancer
- CAR-T Therapy
- Chemo allergy desensitization
- Clinical Trial Screening
- Hormone Therapy For Cancer
- Spinal chemo injection
Supportive care
- Advance Care Planning For Cancer
- Cancer nutrition counseling
- Cancer pain management
- Cancer Rehabilitation Evaluation
- Cancer weight loss management
- Chemo brain treatment
- Chemo nausea treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hospice care consultation
- Lymphedema evaluation
- Palliative cancer care
Treatment side effects
- Chemo Rash Treatment
Vascular access
- Chemo port flush and care
- Chemo port placement
- PICC line care and flush
Procedures Most Often Billed to Medicare
11,358 services · 637 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of additional new drug or substance into vein | Treatment | 96375 |
131 | As often as other peers in Medical Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
97 | Less often than most peers in Medical Oncology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
34 | Less often than most peers in Medical Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
31 | Less often than most peers in Medical Oncology |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
28 | Less often than most peers in Medical Oncology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
15 | Less often than most peers in Medical Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
15 | Less often than most peers in Medical Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
15 | Less often than most peers in Medical Oncology |
| Injection, nivolumab, 1 mg | Drug given | J9299 |
3,600 | Less often than most peers in Medical Oncology |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
3,202 | Less often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other oncologists in Peoria 3
Same specialty, same city.
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1997 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of additional new drug or substance into vein 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Robert R. McWilliams specialize in?
Robert R. McWilliams is an oncologist in Peoria, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Where is Robert R. McWilliams located?
Robert R. McWilliams is listed at 530 Ne Glen Oak Ave, Peoria, IL 61637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Robert R. McWilliams's phone number?
The number on file is (309) 655-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Robert R. McWilliams's NPI number?
Robert R. McWilliams's National Provider Identifier is 1487633962. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Robert R. McWilliams train?
Robert R. McWilliams attended George Washington University School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Robert R. McWilliams been practicing?
Robert R. McWilliams has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Robert R. McWilliams do most often?
According to Medicare billing data, Robert R. McWilliams provides treatments such as injection of additional new drug or substance into vein and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Robert R. McWilliams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Robert R. McWilliams. If this is you, claiming it is free.
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