Expertise in
6
conditions

Dr. Witold B. Rybka

Hematology
The Milton S. Hershey Medical Center
500 University Dr, 
Hershey, PA 
Clinical Trials:Currently Recruiting for 1 Trial
49 Years of Experience
Expertise in
6
conditions
The Milton S. Hershey Medical Center
500 University Dr, 
Hershey, PA 

Overview

Witold Rybka is a Hematologist practicing medicine in Hershey, Pennsylvania. He has been practicing medicine for over 49 years.

Dr. Rybka is highly rated in 6 conditions, according to our data. His clinical expertise encompasses Graft Versus Host Disease (GvHD), Chronic Graft Versus Host Disease (cGvHD), Acute Myeloid Leukemia (AML), Marginal Zone Lymphoma (MZL), and Bone Marrow Transplant.

He is actively involved in clinical research, co-authoring 36 peer reviewed articles and participating in 3 clinical trials.

Specialties

Hematology

Licenses

Internal Medicine in PA

Languages Spoken

English

Gender

Male

Insurance

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

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Accepted insurance plans:

Cigna
  • EPO
  • HMO
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO

Locations

The Milton S. Hershey Medical Center
500 University Dr, Hershey, PA 17033

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.

3 Clinical Trials

A Multicenter Access and Distribution Protocol for Unlicensed Cryopreserved Cord Blood Units (CBUs) for Transplantation in Pediatric and Adult Patients With Hematologic Malignancies and Other Indications
A Multicenter Access and Distribution Protocol for Unlicensed Cryopreserved Cord Blood Units (CBUs) for Transplantation in Pediatric and Adult Patients With Hematologic Malignancies and Other Indications
Enrollment Status: Recruiting
Publish Date: July 06, 2026
Intervention Type: Drug
Randomized Phase II Open Label Study of Lenalidomide R-CHOP (R2CHOP) vs. RCHOP (Rituximab, Cyclophosphamide, Doxorubicin, Vincristine and Prednisone) in Patients With Newly Diagnosed Diffuse Large B Cell Lymphoma
Randomized Phase II Open Label Study of Lenalidomide R-CHOP (R2CHOP) vs. RCHOP (Rituximab, Cyclophosphamide, Doxorubicin, Vincristine and Prednisone) in Patients With Newly Diagnosed Diffuse Large B Cell Lymphoma
Enrollment Status: Active_not_recruiting
Publish Date: August 28, 2026
Intervention Type: Drug, Biological, Other
Study Drugs: Cyclophosphamide, Doxorubicin Hydrochloride, Lenalidomide, Prednisone, Rituximab, Vincristine Sulfate
Study Phase: Phase 2
Randomized Phase III Trial of Bortezomib, Lenalidomide, and Dexamethasone (VRd) Versus Carfilzomib, Lenalidomide, and Dexamethasone (CRd) Followed by Limited or Indefinite Duration Lenalidomide Maintenance in Patients With Newly Diagnosed Symptomatic Multiple Myeloma (ENDURANCE)
Randomized Phase III Trial of Bortezomib, Lenalidomide, and Dexamethasone (VRd) Versus Carfilzomib, Lenalidomide, and Dexamethasone (CRd) Followed by Limited or Indefinite Duration Lenalidomide Maintenance in Patients With Newly Diagnosed Symptomatic Multiple Myeloma (ENDURANCE)
Enrollment Status: Active_not_recruiting
Publish Date: September 08, 2025
Intervention Type: Other, Drug
Study Drugs: Bortezomib, Carfilzomib, Dexamethasone, Lenalidomide
Study Phase: Phase 3
View 2 Less Clinical Trial

36 Total Publications

Sensitivity and Specificity of Chimerism Tests in Predicting Leukemia Relapse Using Increasing Mixed Chimerism.
Sensitivity and Specificity of Chimerism Tests in Predicting Leukemia Relapse Using Increasing Mixed Chimerism.
Journal: The Journal of molecular diagnostics : JMD
Published: April 17, 2024
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Frequently Asked Questions about Dr. Witold B. Rybka

How do I make an appointment with Dr. Witold B. Rybka?

You can book an appointment with Dr. Witold B. Rybka by calling their office at 717-531-6585. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Witold B. Rybka a top-rated expert for Graft Versus Host Disease (GvHD)?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Witold B. Rybka is classified as an Distinguished expert for Graft Versus Host Disease (GvHD), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Witold B. Rybka specialize in?

While Dr. Witold B. Rybka is a Hematology, they have specific expertise in Graft Versus Host Disease (GvHD), Chronic Graft Versus Host Disease (cGvHD), and Acute Myeloid Leukemia (AML). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology.

Does Dr. Witold B. Rybka participate in research or clinical trials?

Yes. Dr. Witold B. Rybka has published 36 articles and abstracts on conditions like Graft Versus Host Disease (GvHD). You can view a list of Dr. Witold B. Rybka's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Witold B. Rybka accept my insurance?

Dr. Witold B. Rybka accepts most major insurance plans, including Cigna and Geisinger. We recommend calling the office directly at 717-531-6585 to verify that your specific plan is currently accepted before your visit.

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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