Quick answers
- Does Erin L. Whalen accept Medicare assignment?
- Yes. Medicare's clinician data says Erin L. Whalen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Erin L. Whalen see?
- In 2024, CMS data shows 528 Original Medicare patients and 71,898 services for Erin L. Whalen. This counts Original Medicare only and measures volume, not quality.
- What is Erin L. Whalen's NPI number?
- 1144795295. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Erin L. Whalen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 528 |
|---|---|
| Services billed to Medicare | 71,898 |
| Different services or procedures | 143 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (Q0138)13,260 services
- Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)4,875 services
- Injection, aprepitant, 1 mg (J0185)2,730 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)792 services
- Blood test, comprehensive group of blood chemicals (80053)617 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)55%
- Arthritis43%
- Chronic kidney disease42%
- Diabetes32%
Hospitals where Erin L. Whalen works
Medicare's Facility Affiliation Data lists Erin L. Whalen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Carle Health Methodist HospitalPeoria, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140209
- Carle Health Pekin HospitalPekin, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140120
- OSF Saint Luke Medical CenterKewanee, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141325
- Saint Francis Medical CenterPeoria, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140067
Practice locations
Addresses where Erin L. Whalen is enrolled with Medicare (CMS data updated October 2, 2026).
- 336 Home BlvdGalesburg, IL 61401 (309) 341‑3000
- 8940 N Wood Sage RdPeoria, IL 61615 (309) 243‑3000
Group practices
Medicare enrollment lists Erin L. Whalen as a member of this group (CMS data updated October 2, 2026).
- Oncology-Hematology Associates of Central Illinois P C67 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Galesburg
Clinicians with the same Medicare primary specialty in Galesburg, IL — not a recommendation.
Other clinicians in Oncology-Hematology Associates of Central Illinois P C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144795295 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians