Surgery (OR) Department

The CHCC Operating Department staff is comprised of highly trained surgeons, anesthesiologists and nurses that provide safe and competent surgical procedures to the people of the Commonwealth of the Northern Mariana Islands (CNMI).

The Operating Department has 2 main operating suites and 1 endoscopy suite that caters to general surgeries including laparoscopies, OB Gyn, ophthalmic, endoscopies, dental restoration and emergency surgeries and a Post Anesthesia Care Unit (Recovery Room).

We employ the services from off-island specialist surgeons for orthopedic, ENT and plastic surgeries when indicated as well as private surgeons from Marianas Eye Institute, Marianas Medical Center, Saipan Health Center and Seventh Day Adventist Clinic.

Normal operating hours are from 07:00H to 15:30H, Mondays to Fridays and is covered 24 hours a day, 7 days a week including holidays by our on-call staff for emergencies.


Chief of Surgery      :  Michael Koning,  MD

Chief of Anesthesia  :  Michael Koning, MD

Chief of OB-Gyne    :  Micheal Deary, MD

Anesthesiologists    :  Michael Hart, MD

                                Morgan Howland, MD

General Surgeons    :  John Michael Yarofalir, MD

                                 Chukwuma Paul Anyadike,MD


Gastroenterologist   :   Ji Woon Kim, MD
Ophthtalmologist     :   Dennis Williams ( Marianas Eye Institute) 

OB-Gyne                 :  Micheal Deary, MD

                                 Liane Mizgala, MD

                                 Maria Hy, MD

                                 Helen Taro - Atalig, MD  ( Saipan Health Clinic)

                                 Anthony Stearns, MD     ( Marianas Medical Center )

                                 Claire Grove , MD         ( Marianas Medical Center )


OR/PACU/CSR Head Nurse

Aida Diva, RN

Registered Nurses

Nelson Amorante, Winford Ferrer, Saul Gargallo, Jun Hinolan, Anna Czarina Jalad, Sockchan Kwon, Jonathan Nunag, Venus Perreras, Marcela Puguon, Viviana Rdiall, Ian Uy, Centina Lochinvar

Certified Nurse Assistants

Janice Castro, Maecy DL Guerrero

OR Staff 2016 

For more information on the Surgery Department, please contact Ms. Aida Diva by phone at 234-8950 ext 2431/2434.

Additional information