Dr. Altschuler is board certified in family practice and in addiction medicine. He completed his undergraduate degree at Dartmouth College, medical school at the UC Berkeley-UC San Francisco Joint Medical Program, and his internship and residency at the UC Davis Family Medicine Program. Most recently, he has worked at Cares Community Health, serving as the associate medical director, and providing primary care to patients who often have complicated medical, psychiatric, and substance abuse problems.

He has also been seeing patients who struggle with opiate dependency in his private practice. This experience-- direct relationships with patients and no insurance-- was a large part of what led to the creation of Sequoia MD.

He is the Medical Director for Diabetes Youth Families (DYF), an organization devoted to the quality of life for children, teens and families affected by diabetes. He has lived with type 1 diabetes for more than 20 years, and brings this knowledge and experience with him in his practice. When not working, he spends most of his time in the garden or with his family.

Kristen Montero, NP

Kristen is a family nurse practitioner, board certified by the American Association of Nurse Practitioners. Kristen began her career in nursing in 2001 and has been a family nurse practitioner since 2008.  

Kristen’s previous experience includes both acute / urgent and rural health care as well as many years of bedside nursing. She is qualified to diagnose and treat a wide array of conditions across the entire lifespan. Kristen’s years of nursing and life experiences have given her a window into challenges of addiction crisis; addiction touched her in her own family with the death of her brother. 

Kristen’s interest in addiction medicine brought her to Sequoia MD because of her shared philosophy that patient relationships are the best way to begin the healing process. Kristen’s practice philosophy includes forging relationships with her patients to understand their health needs, foster trust, and partnership with patients to help them achieve their best self. Fostering great relationships, creates trust, creating trust allows patients to find their inner courage to walk the path of recovery and handle life’s ups and downs. 

Kristen was born and raised on the Sacramento Delta and is married with two children. She is an avid soccer fan and enjoys gardening and Yoga. 

Doris Lopez

Doris Lopez has worked in the medical field for over 10 years. She first started as a phlebotomist and has been a Medical assistant for 8 years. She has worked in many settings, including pediatrics, internal medicine, mental health and family practice. In addition to her work at SequoiaMD, she is also attending school to pursue a career in nursing. She enjoys working in the medical field and helping others get to their healthiest self. She understands that patients need empathy in order to receive good quality care, and that at the end of the day, we are all looking for high quality care.