Our Staff at BrightStar Care® Sierra Vista

Our experienced and compassionate staff is dedicated to caring for your loved one as if they were family. Get to know our team.

  • Michelle Nock

    President, Director of Operations
    Michelle Nock has been a Registered Nurse for since 1980. She loves being a nurse and making others feel better. She has experience in acute care hospital settings, trauma, surgery, labor & delivery, pediatrics, radiology and Home Healthcare. One of Michelle’s favorite skills is in educating clients to best help themselves and maintain as much independence as possible. She believes that Home health has been a blessing in giving her the opportunity to help others at some of the most difficult times of their lives. Helping new parents cope with an ill child or helping adult children care for a dying parent at home, both events are so significant, and she feels it an honor to help others through such difficult times. Michelle obtained her Master’s in Nursing with a focus on Healthcare Education because she loves to teach. In her current role she is able to teach clients and employees. She finds it so rewarding to be help our clients recover and our employees maintain livelihoods.  Owning a business where she can help clients in the comfort of their own home and support employees has been Michelle’s most gratifying role as a nurse.
    Michelle Nock
  • Allyn Nock

    Vice President, Director of Finance
    Allyn has a bachelor’s degree in nursing and is one of the owners of the BrightStar Care in Tucson & Sierra Vista, AZ. He started his nursing career in the U.S. Army in 1993 and specializes in critical care and emergency room. Allyn first discovered BrightStar while searching for quality caregivers for his own grandfather. Unhappy with the choices available, he widened his investigation and became very interested in BrightStar. Allyn maintains an active healthy lifestyle through a myriad of outdoor sports. Allyn is most proud of employing over 150 staff and providing a long term care option for thousands of families’ over the past nine years.
    Allyn Nock
  • Viola Lizarraga

    Branch Manager
    Viola got into the Healthcare field at a young age while she was still in high school.  She started by working with children with developmental disabilities.  She always imagined the children did not have a disability, but a super power that made them special. That is when she found out her dream was to have a job that always puts others first and help them in every way possible.  After high school, Viola started working with a company that worked with different ages of people with super powers in a group home setting.  In 2017, Viola joined the BrightStar family as a caregiver.  She loved having the opportunity to work with individuals one on one in their home helping them get to and use their full potential. In March 2018, the office noticed how much compassion and empathy Viola had for her clients and asked her to join us full time in the office as our Scheduling Coordinator.  She gladly accepted the position, and she now loves that she has the opportunity to help all of our clients instead of just one. She recently had the oppirtunity to further her ability to help not only our clients but to also help all of our staff by accepting the postions as Branch Manager  in October 2021.
    Viola Lizarraga
  • Krystal Altamirano

    Human Resources/ Recruiter
    Krystal started working in the healthcare industry 7 years ago when she took on the challenge of caring for her father who had recently had a stroke. With him being her first client, she started working with more and more clients one on one along with working in a group setting in an assisted living home. After she found herself enjoying the administrative side of the clinical field while working at the local hospital, she started as Sierra Vista’s scheduling coordinator in June of 2022.
    Krystal Izzo
  • Evelyn Cancio

    Scheduling Coordinator, Tucson
    Evelyn was born and raised in Tucson, Az. She enjoys the Arizona sunsets and can always catch her seeing a beautiful sunset.  Evelyn has been working in the home health field since 2007, she started off as a caregiver. She always enjoyed taking care of others and felt at peace when she could make another person’s life much simpler. Evelyn has worked in several positions in the home health field to include being an intake coordinator, scheduler, manager, case manager and liaison. She has enjoyed all the positions and they have all taught her a lot of knowledgeable information along the way. Evelyn joined the BrightStar team in June and was very appreciative to have the opportunity to once again explained her knowledge in the home health industry.  
    Evelyn Cancio

Our Caregivers and Nurses

Our team of care professionals thoroughly screened and trained to provide the highest quality care to your family or your patients. Learn more about our compassionate and trustworthy nurses and caregivers.

Contact Us

Please contact us today to schedule a complimentary consultation or call BrightStar Care Sierra Vista at 520.335.6680.

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