If you would like to volunteer your medical services in Papua New Guinea, there are many hospitals to choose from. 

Port Moresby General Hospital is located in the capital city of Port Moresby and … Papua New Guinea, and is the major public referral hospital in the country.
A number is missionary & non government hospitals also exist.
Kokoda Memorial Hospital is a hospitallocated in Kokoda, Oro Province, Papua New Guinea. It was built by Rotary Australia volunteers in 1995. The building of the hospital was financed by the Government of Australia, with the Papuan government providing staff. The hospital was named for those who died in the Kokoda Campaign.

Kompiam Rural Hospital, along with 10 other health centres and aid posts, is situated deep in the remote north of Papua New Guinea’s Enga Province, an area listed as one of the most disadvantaged in PNG. Jointly known as the Enga Baptist Health Services it is a ministry of the Baptist Union of Papua New Guinea.

The Nazarene Hospital at Kudjip is part of Nazarene Health Ministries, a ministry of the Church of the Nazarene International.