25 of the Best Hematologist Oncologists Near Me in Littleton, CO

Dr. Ahrendt is a board certified medical oncologist originally from Boston, Massachusetts. She earned a bachelor's degree in biology from Washington University in St. Louis, Missouri, followed by a medical degree from the Drexel University Hahnemann School of Medicine in Philadelphia, Pennsylvania. Dr. Ahrendt completed an internship, residency and a combined hematology/oncology fellowship at Tufts New England Medical Center in Boston. Dr. Ahrendt pursued a career in medicine because of her desire to help those in need and being able to make an impact on people’s ability to get through disease and difficult situations.“The key to successful treatment of cancer is having a team-based approach. The relationship between the patient, family members, doctors, nurses and support services is so important.”  Dr. Ahrendt’s clinical interests include breast cancer, colorectal cancer, lung cancer, chronic myeloid leukemia (CML), and chronic lymphocytic leukemia (CLL). Dr. Ahrendt is an investigator involved in clinical research trials in the areas of medical oncology and hematology. Her research includes oncology and hematology. She has been practicing oncology in Denver since 2004 and is currently accepting new patients. When she is not at work, Dr. Ahrendt enjoys skiing, camping, hiking and fishing with her husband and son. Dr. Ahrendt is highly rated in 4 conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Inflammatory Breast Cancer. Dr. Ahrendt is board certified in American Board Of Internal Medicine. Dr. Ahrendt is currently accepting new patients.

Ryan Weight is a Hematologist and an Oncologist practicing medicine in Englewood, Colorado. He has been practicing medicine for over 16 years. Dr. Weight is highly rated in 16 conditions, according to our data. His clinical expertise encompasses Melanoma, Metastatic Uveal Melanoma, Melanoma of the Eye, and ALK-Positive Non-Small Cell Lung Cancer. Dr. Weight is board certified in American Board Of Internal Medicine. Dr. Weight is currently accepting new patients.

Nicholas Foreman is a Hematologist and an Oncologist practicing medicine in Highlands Ranch, Colorado. Dr. Foreman is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Ependymoma, Brain Tumor, Medulloblastoma, and Ganglioglioma. Dr. Foreman is currently accepting new patients.

Christopher Jones is an Oncologist and a Hematologist Oncology provider practicing medicine in Denver, Colorado. Dr. Jones is highly rated in 26 conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Childhood Iron Deficiency Anemia, Familial Colorectal Cancer, and Multiple Myeloma. Dr. Jones is board certified in Medical Oncology-American Board Of Internal Medicine (ABIM), Hematology-American Board Of Internal Medicine (ABIM), American Board Of Internal Medicine, and Internal Medicine-American Board Of Internal Medicine (ABIM). Dr. Jones is currently accepting new patients.

Laurie Carr is a Hematologist Oncology specialist and an Oncologist practicing medicine in Denver, Colorado. Dr. Carr is highly rated in 13 conditions, according to our data. Her clinical expertise encompasses Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Pleuropulmonary Blastoma, and ALK-Positive Non-Small Cell Lung Cancer. Dr. Carr is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine. Dr. Carr is currently accepting new patients.

Edward Arenson is a Hematologist and an Oncologist practicing medicine in Englewood, Colorado. Dr. Arenson is highly rated in 16 conditions, according to our data. His clinical expertise encompasses Glioblastoma, Embryonal Tumor with Multilayered Rosettes, Ependymoma, and Atypical Teratoid Rhabdoid Tumor (ATRT).

Born in Kansas City, Missouri, Dr. Owsley earned his medical degree in Kansas City. He moved to Denver and completed his residency at Saint Joseph Hospital. After his residency, he worked as a hospitalist in Denver prior to starting a fellowship at the University of Tennessee in Memphis. His clinical interests surround melanoma, lymphoma and primary brain cancers.“A cancer diagnosis is an ailment that encompasses the entire person and as an oncologist, I am privileged to be a part of my patient’s journey. We would not just focus on the disease itself, but also on the effect it has on other aspects of the patient’s life. Overriding everything, we must never lose hope.”Dr. Owsley makes it a priority to be with his patients every step of the way during their cancer journey. He will fight alongside them and is readily available to assist in each patient’s unique journey.Dr. Owsley is an investigator involved in clinical research trials in the area of hematology and medical oncology. When not at work, Dr. Owsley spends his time watching his daughter grow up. He enjoys watching sports and rooting for his favorite teams including the Kansas City Chiefs. However, his wife is a native Denverite and makes sure to balance out his love of the Chiefs with her love of the Broncos. He loves taking advantage of the amazing opportunities that the 300 days of Colorado sunshine provide. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Lynch Syndrome, and Colorectal Cancer. Dr. Owsley is board certified in American Board Of Internal Medicine , American Board Of Internal Medicine , and American Board Of Internal Medicine. Dr. Owsley is currently accepting new patients.

Dr. Acharya has been practicing since 2005 and is board certified in both Hematology and Oncology. While she has a special focus on breast cancer, she is experienced in all areas of hematology and oncology. Dr. Acharya is deeply motivated by patient care, prioritizing individual goals and quality of life in her treatment approach. She believes in honest, open communication and strives to educate her patients while respecting their autonomy and personal values. Dr. Acharya stays current with advancements in technology and is proud to be part of the UC Health system, where she can combine the strengths of a university-based network with the personalized feel of a community setting. Previously, she led the cancer program at Littleton Adventist Hospital, serving as Chair of the Commission on Cancer and Co-Director of the Breast Program. She has also been recognized as one of 5280’s Top Oncology Doctors of 2025. Dr. Acharya-Leon is highly rated in 23 conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Inflammatory Breast Cancer, Breast Cancer, and Angiosarcoma. Dr. Acharya-Leon is currently accepting new patients.

Florencia Benton is a Hematologist and an Oncologist practicing medicine in Englewood, Colorado. Her clinical expertise encompasses Thrombocytopenia, Angiosarcoma of the Scalp, Primary Mediastinal B-Cell Lymphoma (PMBCL), and Febrile Neutropenia. Dr. Benton is board certified in Hematology-American Board Of Internal Medicine (ABIM), Medical Oncology-American Board Of Internal Medicine (ABIM), and Internal Medicine-American Board Of Internal Medicine (ABIM). Dr. Benton is currently accepting new patients.

Rao Mushtaq is a Hematologist and an Oncologist practicing medicine in Denver, Colorado. Dr. Mushtaq is highly rated in 27 conditions, according to our data. His clinical expertise encompasses Lung Cancer, Thrombocytopenia, Follicular Lymphoma, and Adult Immune Thrombocytopenia. Dr. Mushtaq is currently accepting new patients.

Peter Mcsweeney is a Hematologist Oncology provider practicing medicine in Denver, Colorado. Dr. Mcsweeney is highly rated in 16 conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Multiple Myeloma, Acute Myeloblastic Leukemia without Maturation, Bone Marrow Transplant, and Bone Marrow Aspiration.

Rajeev Vibhakar is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. Vibhakar is highly rated in 13 conditions, according to our data. His clinical expertise encompasses Medulloblastoma, Embryonal Tumor with Multilayered Rosettes, Glioma, and Gliomatosis Cerebri. Dr. Vibhakar is currently accepting new patients.

Marilyn Manco-Johnson is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. Manco-Johnson is highly rated in 8 conditions, according to our data. Her clinical expertise encompasses Blood Clots, Hemophilia A, Mesenteric Venous Thrombosis, Hemophilia B, and Thrombectomy. Dr. Manco-Johnson is currently accepting new patients.

Maureen O'brien is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. O'brien is highly rated in 7 conditions, according to our data. Her clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Leukemia, Agranulocytosis, Bone Marrow Transplant, and Bone Marrow Aspiration. Dr. O'brien is currently accepting new patients.

Terry Fry is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. Fry is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Leukemia, Adult T-Cell Leukemia, Non-Hodgkin Lymphoma, and Bone Marrow Transplant. Dr. Fry is currently accepting new patients.

Lia Gore is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. Gore is highly rated in 4 conditions, according to our data. Her clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Leukemia, Anaplastic Large Cell Lymphoma, Hodgkin Lymphoma, and Bone Marrow Transplant. Dr. Gore is currently accepting new patients.

Scot Sedlacek is a Hematologist Oncology specialist and a Hematologist practicing medicine in Denver, Colorado. Dr. Sedlacek is highly rated in 3 conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Intraductal Papilloma, and Inflammatory Breast Cancer.

Akhila Vadivelan is a Hematologist and an Oncologist practicing medicine in Highlands Ranch, Colorado. Dr. Vadivelan is highly rated in 1 condition, according to our data. Her clinical expertise encompasses Hemolytic Transfusion Reaction, Anemia, Hemolytic Anemia, and Hemoglobinopathy. Dr. Vadivelan is currently accepting new patients.

Tyler Friedrich is an Oncologist and a Hematologist practicing medicine in Highlands Ranch, Colorado. His clinical expertise encompasses Colorectal Cancer, EGFR Positive Lung Cancer, Small Cell Lung Cancer (SCLC), and Squamous Cell Lung Carcinoma. Dr. Friedrich is currently accepting new patients.

Michael Verneris is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. Verneris is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Leukemia, Acute Lymphoblastic Leukemia (ALL), Graft Versus Host Disease (GvHD), Acute Myeloid Leukemia (AML), and Bone Marrow Transplant. Dr. Verneris is currently accepting new patients.

Richard Mcmahon is a Hematologist Oncology provider practicing medicine in Littleton, Colorado. His clinical expertise encompasses Chronic Myelomonocytic Leukemia (CMML), Clear Cell Sarcoma, Familial Wilms Tumor 2, and Wilms Tumor.

Samantha Cinadr is a Hematologist and an Oncologist practicing medicine in Littleton, Colorado. Her clinical expertise encompasses Lynch Syndrome, Colorectal Cancer, Familial Colorectal Cancer, and Waldenstrom Macroglobulinemia. Dr. Cinadr is currently accepting new patients.

Hemchandra Mahaseth is a Hematologist and a Hematologist Oncology provider practicing medicine in Denver, Colorado. His clinical expertise encompasses Pancreatic Cancer, Cholangiocarcinoma (Bile Duct Cancer), Acute Hepatic Porphyria (AHP), and Porphyria. Dr. Mahaseth is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine. Dr. Mahaseth is currently accepting new patients.

Karen Kogel is a Hematologist Oncology specialist and a Hematologist practicing medicine in Denver, Colorado. Her clinical expertise encompasses Pseudomyxoma Peritonei and Angiosarcoma. Dr. Kogel is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine. Dr. Kogel is currently accepting new patients.

Margaret Macy is a Hematologist and an Oncologist practicing medicine in Aurora, Colorado. Dr. Macy is highly rated in 23 conditions, according to our data. Her clinical expertise encompasses Neuroblastoma, Embryonal Tumor with Multilayered Rosettes, Ewing Sarcoma, Gliomatosis Cerebri, and Bone Marrow Aspiration. Dr. Macy is currently accepting new patients.