Jaroslaw Maciejewski
Elite in Hemolysis

Dr. Jaroslaw Maciejewski

Hematology | Oncology
10201 Carnegie Avenue, 
Cleveland, OH 
On Staff At
Offers Telehealth
Elite in Hemolysis
10201 Carnegie Avenue, 
Cleveland, OH 
OverviewInsuranceLocationsClinical Research

Overview

Jaroslaw Maciejewski is a Hematologist and an Oncologist in Cleveland, Ohio. Dr. Maciejewski is rated as an Elite provider by MediFind in the treatment of Hemolysis. His top areas of expertise are Paroxysmal Nocturnal Hemoglobinuria (PNH), Aplastic Anemia, Paroxysmal Cold Hemoglobinuria, Bone Marrow Transplant, and Splenectomy.

His clinical research consists of co-authoring 388 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 7 articles in the study of Hemolysis.

Residency
University of Nevada School of Medicine
Specialties
Hematology
Oncology
Licenses
Internal Medicine in OH
Board Certifications
American Board Of Internal Medicine, 2001
Fellowships
National Heart, Lung and Blood Institute
Hospital Affiliations
Cleveland Clinic
Languages Spoken
English
German
Polish
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Ambetter
  • EPO
  • HMO
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
AultCare
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
CareSource
  • HMO
Cigna
  • EPO
  • HMO
  • PPO
CommuniCare Advantage
  • MEDICARE SNP
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medical Mutual
  • HMO
  • PPO
Oscar
  • EPO
  • HMO
  • PPO
Paramount
  • EPO
  • HMO
  • INDEMNITY
  • PPO
Primetime Health Plan
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE PART D
Provider Partners Health Plan
  • MEDICARE SNP
SummaCare
  • HMO
  • PPO
The Health Plan
  • HMO
  • MANAGED MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Univera Healthcare
  • INSURANCE PLAN
  • MEDICARE MAPD
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

Cleveland Clinic Main Campus
10201 Carnegie Avenue, Cleveland, OH 44106

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

2 Clinical Trials

A Sequential Two-Stage Dose Escalation Study to Evaluate the Safety and Efficacy of Ruxolitinib for the Treatment of Chronic Myelomonocytic Leukemia (CMML): A Phase 2 Expansion
A Sequential Two-Stage Dose Escalation Study to Evaluate the Safety and Efficacy of Ruxolitinib for the Treatment of Chronic Myelomonocytic Leukemia (CMML): A Phase 2 Expansion
Enrollment Status: Active_not_recruiting
Publish Date: October 09, 2025
Intervention Type: Drug
Study Drug: Ruxolitinib
Study Phase: Phase 2
A Phase 2 Open-label Study of ACH-0144471 in Patients With Paroxysmal Nocturnal Hemoglobinuria (PNH) Who Have an Inadequate Response to Eculizumab Monotherapy
A Phase 2 Open-label Study of ACH-0144471 in Patients With Paroxysmal Nocturnal Hemoglobinuria (PNH) Who Have an Inadequate Response to Eculizumab Monotherapy
Enrollment Status: Completed
Publish Date: December 12, 2023
Intervention Type: Drug
Study Drugs: Danicopan, Eculizumab
Study Phase: Phase 2
View 1 Less Clinical Trial

388 Total Publications

EPR25-121: Clonal Hematopoiesis of Indeterminate Potential (CHIP) in Cancer Patients: Testing and Referral Guidelines.
EPR25-121: Clonal Hematopoiesis of Indeterminate Potential (CHIP) in Cancer Patients: Testing and Referral Guidelines.
Journal: Journal of the National Comprehensive Cancer Network : JNCCN
Published: March 28, 2025

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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