Phone: 1-800-226-2379

Our Team

Our Team

Co-Directors

Along with Dr. Kenneth McClain, Dr. Carl Allen has developed the largest Histiocytosis Center in the world with over 100 new diagnoses annually. Dr. Allen graduated from Ohio State University College of Medicine and Public Health with his medical degree and doctorate of philosophy. He completed... Read more

Address: 1102 Bates Ave., Ste. 750 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4312
Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine

Address: 6701 Fannin St., Ste. 1510.17 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4163

Hematology/Oncology

Along with Dr. Kenneth McClain, Dr. Carl Allen has developed the largest Histiocytosis Center in the world with over 100 new diagnoses annually. Dr. Allen graduated from Ohio State University College of Medicine and Public Health with his medical degree and doctorate of philosophy. He completed... Read more

Address: 1102 Bates Ave., Ste. 750 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4312
Dr. ZoAnn Dreyer is Clinical Director of the Long-Term Survivor Clinic at Texas Children’s Cancer Center. Over 1,000 childhood cancer survivors are evaluated every one to two years for delayed effects of their prior cancer therapy. Survivors are patients who are more than five years from their... Read more

Address: 6701 Fannin St., Ste. 1510.16 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4209
Dr. Olive Eckstein received her medical degree from the Chicago Medical School at Rosalind Franklin University of Medicine and Science and completed her residency in pediatrics at Children's Hospital Boston. Following residency, Dr. Eckstein worked as a hospitalist in the Bone Marrow Transplant... Read more

Address: 6701 Fannin Street, Ste. 1510 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4848
Sherrelle Jackson is a board-certified family nurse practitioner in the Lymphoma and Histiocytosis Programs at Texas Children’s Cancer Center. She received her Doctorate of Nursing Practice from the University of Wisconsin-Milwaukee in May of 2017, and is a graduate of the Oncology and Hematology... Read more


Phone: 832-822-4311
Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine

Address: 6701 Fannin St., Ste. 1510.17 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4163
Dr. Joseph Lubega is Associate Director of the East Africa Pediatric Hematology/Oncology Fellowship Training Program and Chair of the Pediatric East Africa Clinical Oncology Consortium (PEACOC). He was previously the Medical Director for Global Hematology/Oncology Pediatric Excellence (HOPE) in... Read more

Address: 6701 Fannin St., Ste. 1510 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4242
With over ten years of experience caring for children and adolescents with cancer, Dr. Nader Kim El-Mallawany’s clinical niche is rooted in lymphomas/lymphoproliferative disorders, HIV-related malignancies (particularly Kaposi sarcoma), and the treatment of childhood cancer in low-income countries... Read more

Address: 1102 Bates Ave., Ste 1025.16 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-7257
Dr. Kenneth McClain is Director of the Histiocytosis Program at Texas Children’s Cancer and Hematology Centers and a member of the leukemia and lymphoma programs. Dr. McClain and Dr. Carl Allen see 100 new patients with a variety of histiocytic diseases each year. His clinical interests include:... Read more

Address: 6701 Fannin Suite 1510.11 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4208
Dr. Phil Steuber completed his internship, residency and fellowship at Texas Children’s Hospital, followed by becoming an attending physician in the Texas Children’s Cancer Center. As the Director of the Education Division and Head of the Leukemia Team, Dr. Steuber has mentored nearly 180... Read more

Address: 6701 Fannin St., Ste. 1510 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4207

Bone Marrow Transplant / Stem Cell Transplant

Dr. Robert Krance is the Director of the Pediatric Bone Marrow Transplant (BMT)/Stem Cell Transplant Program at Texas Children’s Hospital. The clinical program, one of the most active in the country, treats patients with various hematologic, oncologic, immunologic and genetic disorders. Dr. Krance... Read more

Address: 6621 Fannin Suite 1630.14 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4661

Videos

  • Embedded thumbnail for George's Cancer Survival Story: Beating Burkitt’s Lymphoma
    George's Cancer Survival Story: Beating Burkitt’s Lymphoma

Co-Directors

Along with Dr. Kenneth McClain, Dr. Carl Allen has developed the largest Histiocytosis Center in the world with over 100 new diagnoses annually. Dr. Allen graduated from Ohio State University College of Medicine and Public Health with his medical degree and doctorate of philosophy. He completed... Read more

Address: 1102 Bates Ave., Ste. 750 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4312
Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine

Address: 6701 Fannin St., Ste. 1510.17 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4163

Hematology/Oncology

Along with Dr. Kenneth McClain, Dr. Carl Allen has developed the largest Histiocytosis Center in the world with over 100 new diagnoses annually. Dr. Allen graduated from Ohio State University College of Medicine and Public Health with his medical degree and doctorate of philosophy. He completed... Read more

Address: 1102 Bates Ave., Ste. 750 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4312
Dr. ZoAnn Dreyer is Clinical Director of the Long-Term Survivor Clinic at Texas Children’s Cancer Center. Over 1,000 childhood cancer survivors are evaluated every one to two years for delayed effects of their prior cancer therapy. Survivors are patients who are more than five years from their... Read more

Address: 6701 Fannin St., Ste. 1510.16 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4209
Dr. Olive Eckstein received her medical degree from the Chicago Medical School at Rosalind Franklin University of Medicine and Science and completed her residency in pediatrics at Children's Hospital Boston. Following residency, Dr. Eckstein worked as a hospitalist in the Bone Marrow Transplant... Read more

Address: 6701 Fannin Street, Ste. 1510 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4848
Sherrelle Jackson is a board-certified family nurse practitioner in the Lymphoma and Histiocytosis Programs at Texas Children’s Cancer Center. She received her Doctorate of Nursing Practice from the University of Wisconsin-Milwaukee in May of 2017, and is a graduate of the Oncology and Hematology... Read more


Phone: 832-822-4311
Board Certifications American Board of Pediatrics American Board of Pediatrics – Hematology/Oncology American Board of Internal Medicine

Address: 6701 Fannin St., Ste. 1510.17 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4163
Dr. Joseph Lubega is Associate Director of the East Africa Pediatric Hematology/Oncology Fellowship Training Program and Chair of the Pediatric East Africa Clinical Oncology Consortium (PEACOC). He was previously the Medical Director for Global Hematology/Oncology Pediatric Excellence (HOPE) in... Read more

Address: 6701 Fannin St., Ste. 1510 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4242
With over ten years of experience caring for children and adolescents with cancer, Dr. Nader Kim El-Mallawany’s clinical niche is rooted in lymphomas/lymphoproliferative disorders, HIV-related malignancies (particularly Kaposi sarcoma), and the treatment of childhood cancer in low-income countries... Read more

Address: 1102 Bates Ave., Ste 1025.16 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-7257
Dr. Kenneth McClain is Director of the Histiocytosis Program at Texas Children’s Cancer and Hematology Centers and a member of the leukemia and lymphoma programs. Dr. McClain and Dr. Carl Allen see 100 new patients with a variety of histiocytic diseases each year. His clinical interests include:... Read more

Address: 6701 Fannin Suite 1510.11 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4208
Dr. Phil Steuber completed his internship, residency and fellowship at Texas Children’s Hospital, followed by becoming an attending physician in the Texas Children’s Cancer Center. As the Director of the Education Division and Head of the Leukemia Team, Dr. Steuber has mentored nearly 180... Read more

Address: 6701 Fannin St., Ste. 1510 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4207

Bone Marrow Transplant / Stem Cell Transplant

Dr. Robert Krance is the Director of the Pediatric Bone Marrow Transplant (BMT)/Stem Cell Transplant Program at Texas Children’s Hospital. The clinical program, one of the most active in the country, treats patients with various hematologic, oncologic, immunologic and genetic disorders. Dr. Krance... Read more

Address: 6621 Fannin Suite 1630.14 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4661