Meet the Physicians

Benjamin Stahl, MD

Specialty: Colorectal Surgery, General Surgery

Dr. Benjamin Stahl attended the University of Georgia for his undergraduate education. He graduated magna cum laude with a degree in Cellular Biology. Following, he attended medical school at the Medical College of Georgia and went on to complete General Surgery residency at the University of Louisville. Dr. Stahl has recently relocated to Marin to begin a practice in broad based general and acute care surgery. His philosophy emphasizes a collaborative and comprehensive approach to patient centered care. In his free time, he enjoys hiking, cooking, traveling, and music.


Crystine Lee, MD

Specialty: General Surgery, Laparoscopic and Bariatric Surgery

Schooled in London and Hong Kong, Dr. Lee graduated from Harvard with Honors in 1992 and from Stanford University School of Medicine in 1996. She completed her surgical residency in University of California – San Francisco in 2003, a Laparoscopic & Bariatric Surgery Fellowship in 2004, and also has a MBA from the Haas School of Business, at the University of California, Berkeley. After her training, she served in the United States Air Force and deployed overseas in support of Operation Iraqi Freedom. She then moved to Marin and joined Prima in September 2008 with an office at Sonoma Valley Hospital. Dr. Yee also practices at Marin General Hospital and Novato Community Hospital.

Dr. Lee describes her professional philosophy as following the rule instilled in her in the Air force, “Integrity, service before self, and excellence in all we do.” She believes excellence should be delivered with both compassion and respect. “While professionalism and excellent surgical outcomes are part of what I strive for, reassuring patients during a stressful time is also very important to me.” She enjoys skiing, watersports, taekwondo, and a life-long struggle with golf.


Edward Alfrey, MD

Specialty: General Surgery, Hepatobiliary Surgery, Pancreatic Surgery

Dr. Alfrey is a Board Certified General Surgeon and the Medical Director of Prima Medical Group’s General Surgery program in Marin. After completing his B.A. in Chemistry at the University of Denver, Dr. Alfrey earned his M.D. at the University of Colorado and completed his Internship and Residency at the University of Arizona in Tucson. Dr. Alfrey also did a Fellowship in Transplantation, an area he has a special interest in. He later earned his Master’s degree in Health Care Management at Harvard University and studied Advanced Laproscopic Surgery at UCSF.

Dr. Alfrey came to Prima from Southern Illinois University School of Medicine where he was a Professor of Surgery for 6 years, prior to which we was a Professor of Surgery at Penn State University (5 years) and Stanford University (9 years). Dr. Alfrey is looking forward to providing the residents of Marin with a high quality inpatient and outpatient General Surgery program.

Learn more about Edward Alfrey, M.D. by viewing his CV here.


James G. Minnis, MD

Specialty: Critical Care, General Surgery

Dr. Minnis completed his Fellowship training in Critical Care at Stanford University before he came to Prima Medical Group in Marin. He did his Surgical Residency at Southern Illinois University and earned his Medical Degree from Meharry Medical College. Dr. Minnis also has a Master’s in Public Health from University of Southern California.


Mark Bazalgette, MD

Specialty: Colorectal Surgery

Dr. Mark Bazalgette received his medical education at the University of London, St. Thomas’ Hospital Medical School, London, England. He has completed his internship & residency in General Surgery in Seattle, Washington and Fellowship in Colon and Rectal Surgery at the University of Minnesota. Dr. Bazalgette is a Fellow of the American Society of Colorectal Surgeons, and a member of the Northern California Society of Colorectal Surgeons and the San Francisco Surgical Society. He has been in practice in Marin County since 1989.


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