Board of Directors

James Mullen, MD, MBA, FACEP

Chief Executive Officer

Ex Oficio Member of the Board


Medical Specialty: Emergency Medicine

Medical School: University of Connecticut

Residency: University of Arizona

Master of Business Administration: University of Massachusetts - Isenberg School of Management

Undergraduate: Brown University


  • Prior President of Medical Staff for Mid Coast Hospital
  • Prior Chief of Emergency Services for Mid Coast Hospital
  • Fellow of the American College of Emergency Medicine

Dr. Mullen has deep family roots in Maine, yet, he was born and raised in the hills of Connecticut.  After training at Brown University in the arts of Political Science and Economics, Jay found his way to medicine.  While training to become a Wilderness EMT to join a Search and Rescue team in Colorado he fell in love with medicine and decided to make it his career.  Dr. Mullen attended medical school at the University of Connecticut, to then complete his residency in Emergency Medicine at the University of Arizona in Tucson.  Dr. Mullen also holds an MBA from the Isenberg School of Management, University of Massachusetts.

Dr. Mullen is a past President of the Medical Staff at Mid Coast Hospital as well as the Chief of Emergency Services. He successfully combined his love of medicine and the wilderness through relief work in Peru, Guatemala and Costa Rica.  Outside of medicine, Jay is blessed with a wonderful wife and two sons, who join him in skiing, kayaking, boating, biking and hiking around our great state.


Guy Nuki, MD, MBA

Chief Medical Officer / Chief Development Officer

Ex Oficio Member of the Board


Medical Specialty:  Emergency Medicine and Family Medicine

Medical School:  University of Connecticut School of Medicine

Residency:  Ventura County Medical Center Family Medicine

Master of Business Administration: Brandeis University - Heller School for Social Policy and Management

Undergraduate: University of Connecticut


  • Chief Medical Officer for Calais Regional Hospital
  • Fellow of the American Academy of Family Physicians; 2018
  • Beta Gamma Sigma; 2017
  • ACEP Workforce Section Chair; 2014-2016
  • Faculty of the Year:  Central Maine Medical Center FM Residency; 2003
  • Creator of an educational program for the Himalayan Health Exchange
  • Founder of MaineGeneral Emergency Medicine Fellowship

Dr. Nuki is the Chief Medical Officer of BlueWater Health. After graduating from his Family Medicine Residency in Ventura, CA he practiced both Family Medicine and Emergency Medicine for 6 years in rural Washington state.  Dr. Nuki’s clinical experience has been focused on emergency medicine since 2004, also including outpatient primary care, high risk obstetrics and hospitalist medicine.  During Dr. Nuki’s time as faculty at the Central Maine Medical Center’s Family Medicine Residency he established an educational program for the Himalayan Health Exchange. He later led teams of medical students, residents, and physicians through remote Himalayan regions of India.  He has lectured for the Global Health Education Consortium and has volunteered for Health Volunteers Oversees in Bhutan. Dr. Nuki was the founding director of the MaineGeneral Emergency Medicine Fellowship.  He has served as the Chair of the Workforce Section for the American College of Emergency Physicians and works as an Emergency Physician across Maine including work as the Chief Medical Officer for Calais Regional Hospital.


Michael Bell, MD

Medical Director - Nantucket Cottage Hospital Emergency Department

Chair of the Board


Medical Specialty:  Emergency Medicine and Family Medicine

Medical School:  University of New Mexico 

Residency:  Central Maine Medical Center Family Medicine

Undergraduate: Northwestern University

Awards/Recognitions :

  • Member to the American Board of Family Medicine
  • Member to the American Society of Addiction Medicine
  • McAfee Fellow, Daniel Hanley Center for Physician Executive Leadership
  • Chief Resident 2002-2003
  • Resident Teacher Award 2003

Growing up in New Mexico, Dr. Bell never expected to be living in the Northeast, and now is the Director of Emergency Medicine Services at Houlton Regional Hospital.  After he completed his medical education at the University of New Mexico, Dr. Bell moved to Lewiston and attended the Central Maine Medical Center Family Practice Residency.  Focusing his training in Emergency Medicine and Critical Care he later became an attending Emergency Physician in 2003.  Dr. Bell joined BlueWater Health in 2012 and has served as Medical Director at four rural sites, Calais Regional Hospital, Down East Community Hospital, Houlton Regional Hospital, and is currently the Medical Director at Nantucket Cottage Hospital. 

Dr. Bell has a special interest in Addiction Medicine and served as the Medical Director of a sober house in Portland for two years.  He is currently the Chief Medical Officer of an inpatient drug and alcohol treatment facility in Portland.  Dr. Bell is passionate about rural critical care and the importance of teamwork in limited resource environments.  He is an instructor for Comprehensive Advanced Life Support (CALS) and serves on their curriculum committee. 

Outside of medicine, Dr. Bell is blessed with his three sons. They all enjoy snowboarding, skiing, beach and lake activities.


Ranjiv Advani, MD, FACEP

Medical Director – Mid Coast Hospital Walk-in Center & Observation Medicine

President, Medical Staff – Mid Coast Parkview Health

Member of the Board


Medical Specialty: Emergency Medicine

Medical School: University of Michigan

Residency: Maine Medical Center

Undergraduate: University of Michigan


  • Medical Director of Mid Coast Hospital Emergency Department
  • President, Medical Staff at Mid Coast Parkview Health

Dr. Advani graduated from the University of Michigan Medical School in 2000 and completed residency training in Emergency Medicine at Maine Medical Center in 2003.  Dr. Advani has worked clinically at Mid Coast Hospital since 2009 and is a founding partner of BlueWater Emergency Partners. Dr. Advani is the Medical Director of the Mid Coast ED and leads a team of 15 physicians, 11 APPs, and 2 APP Fellows.  He is currently the President of the Medical Staff at Mid Coast Hospital and will serve from 2018 to 2020.  Special areas of interest include Medical Error and Cognitive Bias, Tribalism in Medicine, Provider Resilience, and Substance Use Disorder.

Brandon Giberson, DO

Member of the Board


Medical Specialty: Emergency Medicine

Medical School: University of New England

Residency: Emory University School of Medicine

Undergraduate: University of Maine

George “Bud” Higgins, MD

Member of the Board


Medical Specialty: Emergency Medicine

Medical School: Tufts University School of Medicine

Residency: Maine Medical Center

Undergraduate: Colby College


  • Professor Emeritus of Emergency Medicine, Maine Medical Center

  • Annual George L. Higgins III, MD Award Recognizing an Outstanding Clinician Educator, Maine Medical Center Medical Staff

  • Annual George L. Higgins III Resident Award for Teaching Excellence in the Emergency Department, Department of Emergency Medicine, Maine Medical Center

  • Master Teaching Award, Maine Medical Center

  • The George L. Higgins III, MD Endowed Scholarship Fund for Undergraduate Medical Education, Maine Medical Center

  • Annual George “Bud” Higgins MD, FACEP Maine ACEP Leadership Award

  • Recipient, Maine Blue Cross/Blue Shield Physician of the Year

  • Distinguished Faculty Award, Physician Assistant Academy of Vermont

  • Honorary Trustee, LifeFlight Foundation

Dr. Higgins graduated from Tufts University School of Medicine, is board certified in both Emergency Medicine and Internal Medicine, is a Fellow in the American College of Emergency Physicians, and currently holds the rank of Professor Emeritus in Emergency Medicine at Maine Medical Center. For many years, he chaired MMC’s Department of Emergency Medicine, where he was privileged to advance the academic mission of the department and establish its successful resident training program in Emergency Medicine. His career path eventually provided him with attractive administrative opportunities, initially as the Associate Vice President of Performance Improvement and then as the Chief Medical Officer and Vice President for Medical Affairs for the institution prior to returning to his true passion of caring for patients and teaching residents, APPs and medical students about the exciting field of Emergency Medicine. He also served as Research Director in the Department of Emergency Medicine, mentoring young investigators through scholarly activities.  Most recently, his rewarding partnership with BlueWater Health has allowed him to provide clinical services to small, rural Critical Access Hospitals in New England, a privilege he has found challenging, meaningful and essential.  Currently, he holds the position of Director of Education for BWH which offers him many more exciting professional challenges and opportunities.


Douglas G. Nilson, MD

Medical Director - Springfield Hospital Emergency Department

Member of the Board


Medical Specialty: Emergency Medicine

Residency: Warren Alpert Medical School of Brown University Emergency Medicine

Medical School: Northwestern University - Feinberg School of Medicine

Undergraduate: Colby College

Dr. Doug Nilson moved up to Maine after completing a residency in Emergency Medicine at Brown University in 2009. He worked in the ER at Southern Maine Health Care in Biddeford for 9 years which lead to him joining BlueWater Health. His medical interests include ultrasound, wilderness medicine, and EMS. 

When not working, Dr. Nilson spends time with his four best friends – wife Rachel, and their three children Eli, Jonah and Zoe.  Doug and his family love spending time outside hiking, exploring, fishing, boating, and skiing.