435 abbreviations
MPAMaster of Public Administration
MPHMaster of Public Health
MRIMagnetic resonance imaging
MSMitral stenosis; also Master of Science or Medical Scientist
MSAMetropolitan statistical area
MSNMaster of Science in Nursing
MSOManagement service organization
MSWMaster of Social Work
MUAMedically underserved area
MUPMedically underserved population
MVPSMedicare volume performance standard
NCDNational coverage determination
NCQANational Committee for Quality Assurance
NDDoctor of Naturopathic Medicine
NDMSNational Disaster Medical System
NFNursing facility
NICNeonatal intensive care
NICUNeonatal intensive care unit
NIHNational Institutes of Health
NIMSNational Incident Management System
NIPPNational Infrastructure Protection Plan
NLRBNational Labor Relations Board
NNDSSNationally Notifiable Disease Surveillance System
NPNurse practitioner
NPINational Provider Identifier
NQFNational quality forum
NRPNational Response Plan
OASISOutcome and Assessment Information Set
OB-GYNObstetrics and gynecology
OBRAOmnibus Budget Reconciliation Act
ODDoctor of Optometry
O.D.Right eye
ODSOrganized delivery system
OIGOffice of Inspector General
OMBOffice of Management and Budget
OPOOrgan procurement organization
OPPOut-of-pocket payments
OROperating room
O.S.Left eye
OSHAOccupational Safety and Health Administration
OTOccupational therapy
P&APercussion and auscultation
PAPhysician’s assistant
PAPhysician assistant; also Posterior–anterior
PACSPicture archiving and communication system