The 20 Best HER2 Negative Breast Cancer Doctors 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 rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 4 other 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.

Janice Brenneman is a Radiologist practicing medicine in Littleton, Colorado. Dr. Brenneman is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Osteopenia, Melorheostosis, Melorheostosis with Osteopoikilosis, and Galactocoele.

Sean Raj is a Radiologist practicing medicine in Littleton, Colorado. Dr. Raj is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Breast Lump, Osteopenia, Melorheostosis with Osteopoikilosis, and Melorheostosis. Dr. Raj is board certified in American Board Of Radiology. Dr. Raj is currently accepting new patients.

Megan Pope is a Surgical Oncologist practicing medicine in Highlands Ranch, Colorado. Dr. Pope is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. Her clinical expertise encompasses Menopause, Febrile Neutropenia, HER2 Negative Breast Cancer, and BRCA Positive Breast Cancer.

Jodi Widner is a Surgical Oncologist practicing medicine in Highlands Ranch, Colorado. Dr. Widner is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, Angiosarcoma, and Lymphadenectomy.

I am privileged to care for women with gynecologic cancers and pre-cancers, as well as complex benign processes. I perform cytoreductive surgery for advanced cancers, as well as chemotherapy for women with ovarian, uterine, cervical, and vulvovaginal malignancies. I have a special interest in minimally invasive surgery, including robotic-assisted surgery with the DaVinci platform. Dr. Alldredge is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Testicular Yolk Sac Tumor, Ovarian Cancer, Ovarian Carcinosarcoma, Endometrial Cancer, and Hysterectomy.

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 HER2 Negative Breast Cancer. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Inflammatory Breast Cancer, Breast Cancer, and Angiosarcoma.

Meredith Asper is a Surgical Oncologist practicing medicine in Highlands Ranch, Colorado. Dr. Asper is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. Her clinical expertise encompasses Menopause, Muscle Invasive Bladder Cancer, Non-Muscle Invasive Bladder Cancer, and BRCA Positive Breast Cancer.

Amy Yactor is a Radiologist practicing medicine in Englewood, Colorado. Dr. Yactor is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Galactocoele, Breast Lump, Breast Infection, and Fibrocystic Breast Disease.

Mark Dennis is a Radiologist practicing medicine in Englewood, Colorado. Dr. Dennis is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Galactocoele, Breast Lump, Breast Infection, and Fibrocystic Breast Disease.

Michele Basche is an Oncologist practicing medicine in Littleton, Colorado. Dr. Basche is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 34 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and HER-2 Positive Breast Cancer. Dr. Basche is board certified in American Board Of Internal Medicine. Dr. Basche is currently accepting new patients.

Christopher Ebersole is a Radiologist practicing medicine in Englewood, Colorado. Dr. Ebersole is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Galactocoele, Breast Lump, Fibrocystic Breast Disease, and Breast Infection.

David Mcnaul is a Radiologist practicing medicine in Englewood, Colorado. Dr. Mcnaul is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Galactocoele, Breast Lump, HER2 Negative Breast Cancer, and BRCA Positive Breast Cancer.

Brett Bartz is a Pediatric Radiologist practicing medicine in Englewood, Colorado. Dr. Bartz is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Scrotal Swelling, Non-Alcoholic Fatty Liver Disease, Galactocoele, and Gallbladder Disease.

Stanley Smazal is a Radiologist practicing medicine in Englewood, Colorado. Dr. Smazal is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Galactocoele, Breast Infection, Breast Lump, and Fibrocystic Breast Disease.

Aria Bagheri is a Radiologist practicing medicine in Englewood, Colorado. He has been practicing medicine for over 8 years. Dr. Bagheri is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses BRCA Positive Breast Cancer, HER2 Negative Breast Cancer, Breast Lump, and Kimura Disease.

Elizabeth Maddox is a Radiologist practicing medicine in Englewood, Colorado. Dr. Maddox is rated as an Advanced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Galactocoele, Breast Lump, Breast Infection, and Fibrocystic Breast Disease.

Gretchen Ahrendt, MD, is a breast surgeon at St. Anthony Hospital and St. Anthony North Hospital. She provides patient-centered care, prioritizing individual needs and preferences while emphasizing education to support shared decision-making. Dr. Ahrendt places a strong emphasis on open communication and empowers her patients to actively participate in their care plans.Dr. Ahrendt earned a Bachelor of Arts in Chemistry from Carleton College in Northfield, Minnesota, and her medical degree from Johns Hopkins University School of Medicine. She completed her residency and fellowship at The Johns Hopkins Hospital. She is a Fellow of the American College of Surgeons and a Fellow of the Society of Surgical Oncology.Outside of her medical practice, Dr. Ahrendt enjoys downhill, cross-country, and backcountry skiing, road and gravel cycling, traveling, cooking, and spending quality time with her family. Dr. Ahrendt is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Angiosarcoma, Inflammatory Breast Cancer, Mastectomy, and Lymphadenectomy. Dr. Ahrendt is currently accepting new patients.

Jeffrey James is an Oncologist practicing medicine in Lone Tree, Colorado. He has been practicing medicine for over 20 years. Dr. James is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Malignant Mixed Mullerian Tumor, Endometrial Cancer, Virilizing Ovarian Tumor, Vaginectomy, and Oophorectomy. Dr. James is board certified in American Board Of Obstetrics And Gynecology and American Board Of Obstetrics And Gynecology. Dr. James is currently accepting new patients.

Allison Staley is an Oncologist practicing medicine in Englewood, Colorado. Dr. Staley is rated as an Experienced provider by MediFind in the treatment of HER2 Negative Breast Cancer. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Lump in the Abdomen, Malignant Mixed Mullerian Tumor, Ovarian Cancer, Oophorectomy, and Salpingo-Oophorectomy.