Our Team - North Las Vegas, NV

Advanced Mobile IV is made up of a team of Medical Professionals!

Brian Crenshaw

Brian Crenshaw

Dr. Brian Crenshaw is a board certified anesthesiologist residing in Louisiana with over 8 years of clinical experience since graduating residency in 2014. Dr. Crenshaw grew up in northwestern Louisiana and attended medical school at LSU Health Sciences Center in Shreveport, Louisiana. Prior to attending medical school, he obtained his Master of Science degree in pharmacology and toxicology in 2005. After graduating medical school in 2010, Dr. Crenshaw completed his internship at The University of Texas in Houston in internal medicine/pediatrics. He remained at The University of Texas in Houston until 2014, where he completed his residency in anesthesiology. Dr. Crenshaw is an avid believer of treating patients with the highest quality of care and compassion. He is an advocate for IV fusion therapy as it provides the body with the essential antioxidants and nutrients it needs to heal, repair, and replenish. He is honored and privileged to be the Medical Director for Advanced Mobile IV and has made it his goal to ensure every patient leaves with a superior and enriched experience. Dr. Crenshaw is married to his wife, Jamie, and they have five children together. When Dr. Crenshaw is not working, he enjoys hunting, fishing, spending time with his family, and living life to the fullest.

David Mcclellan, RN

David Mcclellan
Dave "LTMAC" Mcclellan is an IV Registered Nurse with Adanced Mobile IV. He has over 23 years' experience starting IV's, during his medical career Dave has held many positions such as an US ARMY Combat Medic, Civilian Paramedic, Fire Department Lieutenant Paramedic, Registered Nurse in a Emergency Dept, and as a Dialysis Nurse.  Dave holds degrees in Registered Nursing, Paramedicine, and Fire Protection Technology. Living in the Las Vegas area for over 30 years, Dave enjoys sport shooting, playing with his 2 white German Shepards, and volunteering at his Church.

Jessica Liu, RN

Jessica Liu

Jessica graduated from the University of Nevada Las Vegas with her Bachelors of Science in Nursing. She has worked in ambulatory surgery centers as a pre-op, circulating, and post-op nurse for 9 years. Jessica enjoys camping, hiking, snowboarding and spending time with her family and sheepadoodle. 

Maria Fehlig, RN

Maria Fehlig

Maria began her medical experience in the US Army as a combat medic. She was privileged to
be a part of a search and rescue team while serving. After an honorable discharge she worked
as a paramedic running 911 calls. Maria also assisted in disaster relief when hurricane Iniki
struck the islands of Hawaii, and during the earthquake that devastated Haiti. When she
obtained her RN she went on to work in Emergency Medicine, practicing in critical care, caring
for emergency and ICU patients. She has her Bachelor of Science in Nursing and has worked as
an RN as well as a Charge Nurse in Emergency Rooms throughout the Las Vegas valley over the
last 17 years. Maria’s caring and compassion has shown in her commitment to bring people the
best care possible. She enjoys her time with her family who are avid hockey players and hockey

Xave Pakingan, RN

Xave Pakingan

My name is Xave, I am a mother of 3 lovely boys. Originally from California and moved to Las Vegas 2 years ago. I am in a medical field for 18 years now, proud to say a grad from UCLA. I had my Bachelors in Science of Nursing and went back to school to finished my PA. I love to cook and enjoy my free time with my kids and 3 dogs. 

Sunday 8am - 10pm
Monday 8am - 10pm
Tuesday 8am - 10pm
Wednesday 8am - 10pm
Thursday 8am - 10pm
Friday 8am - 10pm
Saturday 8am - 10pm