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Medical Services

Meet Our Team


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Medical Services

Meet Our Team


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Marc Dumas, MD

Position: Medical Director
Categories: Medical Services

Marc Dumas, MD FACEP FAAEM, serves as the Medical Director for CRNA. His background as a tactical surgeon for SWAT teams enriches his role in overseeing healthcare delivery. Specializing in emergency, tactical, and wilderness medicine, Dr. Dumas is instrumental in medical control, protocol development, and training of healthcare personnel, ensuring CRNA maintains high standards of care in Alaska’s rural communities.

Marc Dumas, MD

Medical Director

Marc Dumas, MD FACEP FAAEM, serves as the Medical Director for CRNA. His background as a tactical surgeon for SWAT teams enriches his role in overseeing healthcare delivery. Specializing in emergency...READ MORE

Juliana Abreu, PA-C

Position: Medical Provider
Categories: Medical Services

Abreu, is a Physicians Assistant specializing in nephrology. Having practiced in both hospital and clinical settings, she enjoys the pace and challenges of rural healthcare. She has championed programs at CRNA such as Medically Assisted Treatment regarding addiction and Reach Out and Read: A Physician’s Literacy-based Approach for Birth to 8 yrs. old. Abreu provides telehealth and in-person services for CRNA.

Juliana Abreu, PA-C

Medical Provider

Abreu, is a Physicians Assistant specializing in nephrology. Having practiced in both hospital and clinical settings, she enjoys the pace and challenges of rural healthcare. She has championed programs at...READ MORE

Melody Gilbert, PA-C

Position: Medical Provider
Categories: Medical Services

Gilbert, originally from rural Western NY, began her career as a family practice Physician Assistant in 1994. In 2000, during a mission trip to the Copper River region, she fell in love with the area and its residents. She has extensive experience working in both rural and large emergency room settings. Gilbert provides telehealth and in-person services for CRNA.

Melody Gilbert, PA-C

Medical Provider

Gilbert, originally from rural Western NY, began her career as a family practice Physician Assistant in 1994. In 2000, during a mission trip to the Copper River region, she fell in love with the area and its...READ MORE

Peggy Denton, FNP-BC

Position: Medical Provider
Categories: Medical Services

Denton has worked all over the world in a variety of nursing positions including urgent care, surgery, home health, and emergency medicine. Additionally, Denton taught nursing at the university level for seven years. She most recently worked on the Navajo Nation hospital and long-term care settings. She enjoys meeting and getting to know people in new places. Her life here in Alaska is full of enjoyment from the people and experiences in our community. Peggy said, “I feel blessed to be here in this land at this time in my life.”

Peggy Denton, FNP-BC

Medical Provider

Denton has worked all over the world in a variety of nursing positions including urgent care, surgery, home health, and emergency medicine. Additionally, Denton taught nursing at the university level for seven...READ MORE

CJ Saha, PharmD

Position: Pharmacist
Categories: Medical Services

Saha is a New York native and 2020 pharmacy school graduate and brings a diverse healthcare background, navigating ER and ICU settings alongside community pharmacies. Driven by a passion for growth and challenges, he thrives on new experiences. A departure from city life has led him to cherish being an integral part of small communities. He hopes to make a difference and leave a positive impact on the people he meets.

CJ Saha, PharmD

Pharmacist

Saha is a New York native and 2020 pharmacy school graduate and brings a diverse healthcare background, navigating ER and ICU settings alongside community pharmacies. Driven by a passion for growth...READ MORE

Justin Cruz, MLS

Position: Lab Director
Categories: Medical Services

Cruz, born and raised in Alaska, has dedicated 20 years to laboratory work. His professional journey has led him through a variety of medical laboratory settings, including blood donation centers, critical access hospitals, and a 550-bed level 1 trauma hospital. Justin is deeply passionate about the field of medical laboratory sciences and is keenly aware of the significant supportive role it plays in medicine. His extensive experience and commitment to his field makes him a valuable asset in the various medical settings he has served. Justin said, “I’m excited to be a part of the medical services department and look foward to provide exceptional health services to our Ahtna tribal region and its community of patients.”

Justin Cruz, MLS

Lab Director

Cruz, born and raised in Alaska, has dedicated 20 years to laboratory work. His professional journey has led him through a variety of medical laboratory settings, including blood donation centers...READ MORE


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