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Medical Oncology

Katherine K. Clifton, MD

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Belleville, IL · Missouri, Illinois

Summary

Dr. Katherine K. Clifton, MD is an oncologist at 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110. Phone: (314) 747-3000. Accepts Medicare assignment. In 2024, Katherine K. Clifton had 304 Original Medicare patients and 36,947 services. NPI 1578902797. 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 Katherine K. Clifton, 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 Katherine K. Clifton accept Medicare assignment?
Yes. Medicare's clinician data says Katherine K. Clifton 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 Katherine K. Clifton see?
In 2024, CMS data shows 304 Original Medicare patients and 36,947 services for Katherine K. Clifton. This counts Original Medicare only and measures volume, not quality.
What is Katherine K. Clifton's NPI number?
1578902797. 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 Katherine K. Clifton, 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 patients304
Services billed to Medicare36,947
Different services or procedures111
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg (J1561)900 services
  2. Injection, dexamethasone sodium phosphate, 1 mg (J1100)390 services
  3. Injection, palonosetron hcl, 25 mcg (J2469)290 services
  4. Injection, pegfilgrastim, excludes biosimilar, 0.5 mg (J2506)240 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)215 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).

  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)70%
  • High cholesterol68%
  • High blood pressure64%
  • Arthritis49%
  • Anxiety31%
  • Diabetes27%

Hospitals where Katherine K. Clifton works

Medicare's Facility Affiliation Data lists Katherine K. Clifton 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 Katherine K. Clifton is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine K. Clifton as a member of this group (CMS data updated October 2, 2026).

  • Washington University3,029 clinicians in the group

Specialties

Find other Medical Oncology doctors in Missouri →

Other oncologists in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All oncologists in Saint Louis →

Other clinicians in Washington University

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

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578902797
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