Keith Ryan, MD

Dr. Keith Ryan is board certified by the American Board of Internal Medicine. He graduated with s Bachelor's of Science in Zoology and a Minor in Music Peformance from the University of Northern Arizona. He received an MD from the University of Missouri-Columbia and did his internship and residency at the University of Utah Hosptial and Clinis in Salt Lake City, Utah. He enjoys spending time with his familiy, traveling, participating in outdoor activities, and playing music in his band F-Town Sound.

Sherrill Weller, DO

Dr. Sherrill Weller is board certified by the American Board of Internal Medicine. She graduated from the University of San Diego with a Bachelor of Arts in Biology and a Minor in Chemistry. She received her Doctor of Osteopathic Medicine from Western University of Health Sciences in 1997. Dr. Weller was a recipient of the Health Professions Scholarship Program, and upon completion of medical school was commissioned a Lieutenant in the United States Navy. Dr. Weller completed her internship and residency at Naval Medical Center San Diego in Internal Medicine. As a staff internist with the US Navy, she served at Naval Hospital Pensacola, Naval Medical Center San Diego, and on several operational platforms including the hospital ship USNS Mercy. Dr. Weller continued to work for the Navy after completing her service obligation working at Naval Hospital Jacksonville and at the Branch Health Clinic in Coronado, CA while her husband continued his career in Naval Aviation.Dr. Weller received several medical teaching awards, the Navy Marine Corps Commendation Medal (2) and earned the distinction of Fellowship in the American College of Physicians.Sherrill enjoys spending time with family, skiing, traveling and the outdoors. Sherrill and her husband are excited to return to the community of Flagstaff.

Cindy Martin, MD

Cindy Martin is a triple board certified physician, practicing in Pediatric Medicine, Internal Medicine and Palliative Care and Hospice Medicine for over fifteen years. She is well regarded in the Northern Arizona community, earning many accolades for quality, patient centered care and leadership. In 2011, she was named the Flagstaff Medical Center Physician of the Year and in 2014 was elected to be the President of the Flagstaff Medical Center Medical Staff. Dr. Martin is active in the community and has spent eight years as a girl scout leader, volunteered on the Northern Arizona Goodwill Advisory Board and served on the Flagstaff Medical Center Ethics committee as a member and chair. Dr. Martin’s passion is driven by the knowledge that all people deserve compassionate care and the honor of being allowed to participate in that care for her clients. Life is meant to be lived to its fullest, every day.


Hi, my name is Stacie, and I'm the office manager here at Ryan Internal Medicine. I grew up in Tuba City and graduated from Tuba City High School. I attended Northern Arizona University. I have been in the medical field for 18 years. I have four beautiful children and between them and work, that is my life! I have worked at Ryan Internal Medicine for almost three years and really enjoy what I do. Our patients are the best!


Hello, my name is Krystalynn. I have been a medical assistant since 2004 when I completed the medical assistant program at The Bryman School in Phoenix, Arizona. My husband and I have four beautiful children. I enjoy being with my family, great music, art, and the occasional walk/hike. I look forward to meeting you.


Hi, my name is Thom, and I am the ultrasonographer here at Ryan Internal Medicine. I am from Northern Michigan. I attended Oakland Communtiy College in Detroit and received an Extended Associates Degree in Applied Science Ultrasound. I also attended the AZ Heart Institue School of Cardiac & Vascular Ultrasound. I have been a resident of the Verde Valley for over 19 years and the last 17 years in Jerome. My hobby is music, listening and playing.

Call us: 928.213.5881