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Medical Oncology

Khaled A. Hassan, MD

Works at hospitals in Cleveland, OH · Avon, OH · Mayfield Heights, OH … · Ohio

Summary

Dr. Khaled A. Hassan, MD is an oncologist at 9500 Euclid Ave, Cleveland, OH 44195. Phone: (216) 444-2200. Accepts Medicare assignment. In 2024, Khaled A. Hassan had 133 Original Medicare patients and 630 services. NPI 1639291727. 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 Khaled A. Hassan, 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 Khaled A. Hassan accept Medicare assignment?
Yes. Medicare's clinician data says Khaled A. Hassan 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 Khaled A. Hassan see?
In 2024, CMS data shows 133 Original Medicare patients and 630 services for Khaled A. Hassan. This counts Original Medicare only and measures volume, not quality.
What is Khaled A. Hassan's NPI number?
1639291727. 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 Khaled A. Hassan, 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 patients133
Services billed to Medicare630
Different services or procedures18
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)227 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)161 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)100 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)27 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)18 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)75%
  • High blood pressure74%
  • High cholesterol71%
  • COPD47%
  • Arthritis42%
  • Ischemic heart disease37%

Hospitals where Khaled A. Hassan works

Medicare's Facility Affiliation Data lists Khaled A. Hassan 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.

  • Cleveland ClinicCleveland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360180
  • Cleveland Clinic Avon HospitalAvon, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360364
  • Fairview HospitalCleveland, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360077
  • Hillcrest HospitalMayfield Heights, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 360230
  • Medina HospitalMedina, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360091

Practice locations

Addresses where Khaled A. Hassan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Khaled A. Hassan as a member of this group (CMS data updated October 2, 2026).

  • Cleveland Clinic7,090 clinicians in the group

Specialties

Find other Medical Oncology doctors in Ohio →

Other oncologists in Cleveland

Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.

All oncologists in Cleveland →

Other clinicians in Cleveland Clinic

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639291727
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