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Medical Oncology

Carol R. Rapson, MD

Works at hospitals in Lansing, MI · Ionia, MI · Charlotte, MI … · Michigan

Summary

Dr. Carol R. Rapson, MD is an oncologist at 145 Michigan St NE, Suite 3100, Grand Rapids, MI 49503. Phone: (616) 954-9800. Accepts Medicare assignment. In 2024, Carol R. Rapson had 259 Original Medicare patients and 60,427 services. NPI 1073513917. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Carol R. Rapson, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Carol R. Rapson accept Medicare assignment?
Yes. Medicare's clinician data says Carol R. Rapson 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 Carol R. Rapson see?
In 2024, CMS data shows 259 Original Medicare patients and 60,427 services for Carol R. Rapson. This counts Original Medicare only and measures volume, not quality.
What is Carol R. Rapson's NPI number?
1073513917. 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 Carol R. Rapson, 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 patients259
Services billed to Medicare60,427
Different services or procedures142
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, dexamethasone sodium phosphate, 1 mg (J1100)880 services
  2. Injection, palonosetron hcl, 25 mcg (J2469)390 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)331 services
  4. Blood test, comprehensive group of blood chemicals (80053)261 services
  5. Insertion of needle into vein for collection of blood sample (36415)228 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 pressure70%
  • High cholesterol68%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)61%
  • Arthritis56%
  • Chronic kidney disease34%
  • Diabetes30%

Hospitals where Carol R. Rapson works

Medicare's Facility Affiliation Data lists Carol R. Rapson 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.

Practice locations

Addresses where Carol R. Rapson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carol R. Rapson as a member of this group (CMS data updated October 2, 2026).

  • Cancer and Hematology Centers of Western Mi, P.C.110 clinicians in the group

Specialties

Find other Medical Oncology doctors in Michigan →

Other oncologists in Grand Rapids

Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.

All oncologists in Grand Rapids →

Other clinicians in Cancer and Hematology Centers of Western Mi, P.C.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1977 (49 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073513917
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians