MEET THE TEAM 

The team at our clinic is dedicated to providing you with quality care. We believe in building long-term relationships with our patients, and we take pride in providing personalized treatment plans that meet your needs.

 

We're always here to answer any questions you may have, so please don't hesitate to contact us.

 

Thank you for choosing our clinic!

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Cristy O'Connell

Owner and Family Nurse Practitioner

As our owner and Family Nurse Practitioner, Cristy O'Connell is committed to patient care and advocacy. Cristy has been a Family Nurse Practitioner for several years with experience in emergency medicine, family medicine, pediatrics, urgent and primary care. Cristy is board certified with the American Academy of Nurse Practitioners, as well as a member of the organization. Prior to opening Health Xpress Medical Center, Cristy was the CEO and Family Nurse Practitioner of an Urgent and Primary care clinic.  She also has taught nursing school clinical for both RN and NP students. Before becoming a Family Nurse Practitioner, Cristy worked as a full-time Registered Nurse in the Emergency Department.  Outside of the clinic, Cristy enjoys spending time with her husband, her dog Xena, exercising, and going on bike rides.

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Jamie O'Connell

Owner and Chief Financial Officer

As our paramedic owner and CFO, Jamie O'Connell comes to Health Xpress Medical Center with 15 years of experience as a Paramedic. He is also an army Veteran, who worked for the 82nd Airborne infantry division as a paratrooper. During his time in the service, Jamie received a Purple Heart. Jamie understands the importance of quality care and is ready to help with your medical care needs. When not at work, Jamie enjoys time with his wife, walking his dog Sarge, and working on his hot rod.

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Colton Schulz

Chief Executive Officer (CEO)

Colton comes to Health Xpress Medical Center with a wide range of experience in healthcare. Colton has been certified in EMS for 9 years, as well as an instructor in EMS. He has managed special events and worked on an ambulance in Las Vegas since 2016. Colton has experience in occupational health and safety and has been part of safety teams for large corporations. When he's not at work Colton enjoys spending time with his wife and dog and going on adventures with them!

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Cristina Kulback

Family Nurse Practitioner

Cristina is a Board-Certified Family Nurse Practitioner that specializes in Family Medicine. She is Board Certified by the American Nurses Credentialing Center (ANCC). Cristina has been in the healthcare field for over 10 years primarily working in Emergency Medicine and Trauma Critical Care. Cristina also has extensive experience in other specialties such as Intensive Care, Orthopedics, Outpatient Rehabilitation, and Home Health. Prior to becoming an APRN, Cristina worked in a Level 2 Trauma Center Emergency Room for many years. Cristina is a clinical instructor for Nurse Practitioner Students and has been a clinical instructor for nursing students for over 5 years. Cristina is dedicated to providing individualized care to all her patients. In her free time, she enjoys spending time with her family, traveling, and loves trying new restaurants! 

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Cherie Little

Family Nurse Practitioner

 Cherie is a dual certified Family and Women’s Health Nurse Practitioner.  A retired Air Force veteran, she has eight years of experience as a Nurse Practitioner in primary care, women’s health, and military medicine.  Prior to becoming an APRN, Cherie was a Registered Nurse for nine years with experience in aeromedical staging, labor and delivery, postpartum, and medical-surgical care.  Cherie truly loves taking care of patients and has a passion for quality health care.  Cherie is board-certified as a Family Nurse Practitioner by the American Association of Nurse Practitioners (AANP), and board-certified as a Women’s Health Nurse Practitioner by the National Certification Corporation (NCC).  In her spare time, Cherie enjoys spending time with her family and traveling.

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Family Nurse Practitioner

Nicole Cash

Family Nurse Practitioner

Nicole Cash is a Family Nurse Practitioner that truly has a passion for medicine. She graduated with a Master's Degree in Nursing from Graceland University in 2014. Nicole finished undergraduate school in 2002 and worked as a registered nurse in both Arizona and Nevada. She has a broad medical background including experience in labor and delivery, emergency, cardiology, trauma/critical care aeromedical transport. Nicole brings a strong work ethic and an unwavering dedication to her profession. She believes there is nothing more rewarding than
taking care of the people in her community.


Nicole is married with five children. She enjoys cooking, traveling, music and tries to get to as many VGK hockey games as possible.

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Rhianna Perez

Family Nurse Practitioner

Health Xpress Medical Center welcomes, Rhianna Perez to our team of providers at our Henderson Clinic! Rhianna has been in the healthcare field for 14 years, primarily in critical care. Rhianna works primarily Saturdays and is our Spanish-speaking provider on staff. When Rhianna is not working she enjoys spending time with her family. Being physically active is important to her and her family, so they try to do activities that keep them busy and burning calories!

 

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Ryan McGraw

Lead Medical Assistant

Ryan is our lead medical assistant who moved from Oregon to the Las Vegas Valley. He plans to further his education in the future.

When he's not working, you can find Ryan watching football with friends and family or cooking up a storm in the kitchen!

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Lia Aguilar

Medical Assistant

Lia joins Health Xpress Medical Center as a certified medical assistant with almost 4 years of experience! She was born and raised in Las Vegas and plans to further her education and go back to school to become a Radiology Technician. When she is not working, she likes to spend the majority of her time with her daughter, family and friends!

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Haley Wolfe

Medical Assistant

Haley was born and raised in Stockton, California. Two years ago, she moved to Las Vegas for better medical employment opportunities. Haley hopes to become an EMT one day. In her spare time, Haley enjoys spending time with her significant other and puppy at home.

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Noelle Reid

Medical Assistant

Noelle is originally from California. She has lived throughout the United States her entire life due to her father being a physician in the Navy. She is also the mother of a 10-year-old little girl. Noelle has been in the healthcare field on and off for approximately 6 years. She has worked as a Phlebotomy Technician for about a year and a half with majority experience in Emergency Medicine. She intends to further her education in the near future; aspiring to be a CNP with a Mental Health specialization. When Noelle is not busy or with family, she enjoys digital art on her iPad Pro or reading a good book

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Kristin Miller

Medical Assistant

Kristin joins the Health Xpress Medical Center Team as a Certified Medical Assistant and Phlebotomist for the past 15+ years. She is also currently enrolled in school to become a Registered Nurse. Kristin has been in Henderson for the past 21 years. Kristin is passionate about working with patients of all ages making sure they get the best care. During her free time, Kristin loves to hike and spend time with her family.

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Gabriel Robinson

Lab Technician

Gabriel joins Health Xpress Medical Center as our lab technician, as well as working at the front desk. Being in both the front and back office, he is able to help with any of your questions about billing, testing, appointments, and so on.  He has experience with patients and has a passion for helping others. He likes to use alternative medicine options for his everyday health. Gabriel currently attends UNLV for their nursing program. He is hoping that after he graduates he can study acupuncture. In his free time, he enjoys spending time with family, friends, and his two kittens. 

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Savannah Alley

Lead Medical Receptionist

Savannah joins the Health Xpress Medical Center Team as our lead Medical Receptionist. She was born and raised in Las Vegas and is currently attending school to become a registered nurse. After graduating from school, she would like to specialize in pediatric oncology. When Savannah is not working or going to school, she likes to travel and spend time with her family.

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Aurora Rainwater

Medical Receptionist

Aurora joins Health Xpress Medical Center as a medical receptionist. Aurora enjoys helping others. She has experience in bedside patient care and working with children of all ages. Aurora is here to help with scheduling, billing, and anything else patients will need. When Aurora isn't working, she likes to read and tend to her plants.

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Carla Cervantes

Medical Receptionist

Carla is originally from San Diego, California, but she has called the Vegas Valley home for the past seven years. She is bilingual and can fluently speak both English and Spanish.


Carla joins Health Xpress Medical Center with a background in patient care, scheduling, and testing. She comes from a military family who inspired her to help the people in her community. She is passionate about helping others and takes great pride in providing quality customer service.

In her free time, Carla enjoys spending time outdoors hiking or exploring new places.

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