Our Team

Todd LeCesne

Todd LeCesne, MPAS, MBA, PA-C

Todd LeCesne is a Board Certified Primary Care Physician Assistant with greater than 30 years of healthcare experience. A native New Mexican, he has been continually licensed to practice medicine in the state of New Mexico since 1996. He earned a Bachelor’s in Biologic Science at the University of New Mexico (UNM ‘93) and completed a post graduate medical school curriculum in Physician Assistant Studies at the University of Utah (PA-C ’96). Later he completed a Master’s degree in Evidence Based Medicine (MPAS ’08) and second Master’s in Business Administration (MBA ’14).

Dr. Kristina Hammer MSPAC, DMSc

Dr. Hammer has been working in health care for 18 years with a variety of experience in the areas of urgent/emergent care, obstetrics/gynecology, and with women’s health by assisting in patient care plans, performing procedures, precepting and mentoring students, and providing education on reproductive and hormonal health.


Amy Lay, MPA

Amy joined the clinic in November of 2020 to help lead Althera’s effort to provide patients confidence, resilience, and emotional support as a companion piece to therapies prescribed by clinicians and other specialists.
Her three decades of industry experience include the service industry and consumer markets, sustainable and off-grid technologies in architecture, academic advising and mentoring, and higher education administration. She brings a broad spectrum of social and emotional awareness to our ever changing world.
Amy holds an AS in Biology, a BA in Humanities, and a Master of Public Administration.
She has a deep commitment to community and civic engagement. She looks forward to providing a personal and transformative experience for every patient.

Kathy Johnson

Kathy Johnson, MA, PA-C

Ms. Johnson graduated from the University of New Mexico Physician Assistant Program with a bachelor’s degree in 2003. She focused her clinical career on complex internal medicine patients at the UNM Senior Health Clinic. She was a regular educator of inter-professional health science students leading her to obtain a Master of Education in 2012, specializing in Organizational Learning and Instructional Technologies. She became full-time Faculty at the UNM PA Program in 2011 and maintained Faculty clinical duties. She was promoted to Academic Coordinator in 2013; a position that required expanded knowledge in all topics related to primary care medicine, clinical problem solving, foundations of research methodology, and adult learning theories and applications. Ms. Johnson retired from UNM in 2018.