The 20 Best Acute Mountain Sickness Doctors Near Me in Littleton, CO

Originally from Ohio, Dr. Jahangiri earned her medical degree and completed both her internship and residency at Northeast Ohio Medical University College of Medicine in Rootstown, Ohio. She went on to complete a fellowship in hematology and oncology at the University of Rochester Medical Center in Rochester, New York. Dr. Jahangiri has been practicing medicine for 6 years. Her clinical interests include gastrointestinal cancers, blood disorders and blood cancers.“I believe strongly in providing high quality oncology care for patients on the Western Slope. Cancer is so scary, and I want to help patients understand their diagnosis and options so that they can decide the best path for them. My job is to serve as a guide and support through that process.”When not working, Dr. Jahangiri enjoys running, a good book and Broadway shows. Often, she can be found partaking in one of Colorado’s many outdoor activities with her husband, three children and shelter dog. Dr. Jahangiri is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. Her top areas of expertise are Familial Colorectal Cancer, Porphyria Cutanea Tarda, Colorectal Cancer, and Lynch Syndrome.

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. Dr. Owsley is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Lynch Syndrome, and Lung Adenocarcinoma.

Brian Bishop is a primary care provider, practicing in Internal Medicine in Englewood, Colorado. Dr. Bishop is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Infant Hyperglycemia, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

Karng Log is an Oncologist in Littleton, Colorado. Dr. Log is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Acute Intermittent Porphyria, Large-Cell Immunoblastic Lymphoma, Chronic Lymphocytic Leukemia (CLL), and Paget Disease of the Breast.

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 is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. Her top areas of expertise are Paget Disease of the Breast, Inflammatory Breast Cancer, Breast Cancer, and Angiosarcoma.

Poojitha Valasareddy is a Hematologist and an Oncologist in Highlands Ranch, Colorado. Dr. Valasareddy is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. Her top areas of expertise are Melanoma, Pleuropulmonary Blastoma, Oral Squamous Cell Carcinoma, and Paget Disease of the Breast.

Stanton Elzi is a primary care provider, practicing in Hospital Medicine in Denver, Colorado. Dr. Elzi has been practicing medicine for over 36 years and is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Purpura.

Robert Jotte is an Oncologist in Littleton, Colorado. Dr. Jotte is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Small Cell Lung Cancer (SCLC), and Pleuropulmonary Blastoma. Dr. Jotte is currently accepting new patients.

Robert Rifkin is an Internal Medicine provider in Denver, Colorado. Dr. Rifkin has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Multiple Myeloma, Febrile Neutropenia, Agranulocytosis, Bone Tumor, and Bone Marrow Transplant. Dr. Rifkin is currently accepting new patients.

Ioana Hinshaw is an Oncologist in Denver, Colorado. Dr. Hinshaw is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. Her top areas of expertise are Bone Tumor, Adult Soft Tissue Sarcoma, Paget Disease of the Breast, and Epithelioid Sarcoma. Dr. Hinshaw is currently accepting new patients.

Michelle Levy is an Oncologist in Denver, Colorado. Dr. Levy is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. Her top areas of expertise are Gastroenteropancreatic Neuroendocrine Tumor (GEP-NET), Neuroendocrine Tumor, Factor V Leiden Thrombophilia, and HER-2 Positive Breast Cancer. Dr. Levy is currently accepting new patients.

Jesal Patel is an Oncologist in Denver, Colorado. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Paget Disease of the Breast, Pleuropulmonary Blastoma, Lung Cancer, Clear Cell Sarcoma, and Bone Marrow Aspiration. Dr. Patel is currently accepting new patients.

Nauman Moazzam is an Oncologist in Lakewood, Colorado. Dr. Moazzam is rated as a Distinguished provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Chronic Familial Neutropenia, and Agranulocytosis. Dr. Moazzam is currently accepting new patients.

Dr. Stellman grew up in Texas, Oklahoma and Georgia. He earned a bachelor’s in biological sciences from Oklahoma State University in Stillwater, Oklahoma and graduated with his doctor of medicine from the University of Oklahoma College of Medicine in Oklahoma City. Dr. Stellman completed a family medicine residency at Saint Joseph Hospital in Denver, Colorado. He is board certified in family medicine. As a family medicine physician, Dr. Stellman’s clinical interests include providing care for patients of all ages and stages of life. His practice covers preventive care, mental health, sports medicine, diabetes, hypertension, minor procedures and everything in between. He is especially passionate about preventive care, overall health and well-being.“I will always encourage you to live your best life with healthy eating, regular exercise, stress management and good sleep. If there's a problem we can address with healthy lifestyle changes, I prefer to take that approach first.”When not seeing patients, Dr. Stellman enjoys music (live music and collecting records), hiking, camping, traveling, carpentry and most importantly, spending his time with his three children and golden retriever. Dr. Stellman is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Juvenile Myoclonic Epilepsy, Type 2 Diabetes (T2D), Familial Hypertension, and Hypertension.

Teng Chang is a primary care provider, practicing in Internal Medicine in Littleton, Colorado. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Vitamin B12 Deficiency, High Cholesterol, Myositis, and Macrophagic Myofasciitis. Dr. Chang is currently accepting new patients.

Jason Pereira is a primary care provider, practicing in Internal Medicine in Littleton, Colorado. Dr. Pereira is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Gout. Dr. Pereira is currently accepting new patients.

George Frank is a primary care provider, practicing in Internal Medicine in Littleton, Colorado. Dr. Frank is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

William Gipson is a primary care provider, practicing in Internal Medicine in Littleton, Colorado. Dr. Gipson is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Hyperlipoproteinemia Type 4, Homozygous Familial Hypercholesterolemia (HoFH), Familial Hypercholesterolemia, and Heterozygous Familial Hypercholesterolemia (HeFH). Dr. Gipson is currently accepting new patients.

Samir Witta is a Hematologist in Englewood, Colorado. Dr. Witta is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Multiple Myeloma, and Chronic Myelogenous Leukemia (CML). Dr. Witta is currently accepting new patients.

David Trevarthen is an Oncologist in Englewood, Colorado. Dr. Trevarthen is rated as an Experienced provider by MediFind in the treatment of Acute Mountain Sickness. His top areas of expertise are B-Cell Lymphoma, Familial Colorectal Cancer, Lynch Syndrome, and Colorectal Cancer.