Hospital-Physician RelationsPhysiciansHospitalistsMedical Staff, HospitalPsychoneuroimmunologyHospital Bed Capacity, 300 to 499Pain ManagementPain ClinicsPainGoverning BoardPhysician's Practice PatternsWorkplacePhysicians, FamilyPhysicians, Primary CareQuestionnairesFraudGermanyInjections, EpiduralPhysician's RoleChronic PainNeurologyReimbursement MechanismsMedicare AssignmentUnited StatesLow Back PainEnvironmental MedicineZygapophyseal JointSpecialty BoardsBack PainPain MeasurementPhysicians, WomenMalpracticeFluoroscopyPhysician Payment Review CommissionAttitude of Health PersonnelEvidence-Based MedicineOccupational MedicineMedicareNerve BlockNational Health Insurance, United StatesFee SchedulesDrug and Narcotic ControlNeck PainPatient Protection and Affordable Care ActPhysician-Patient RelationsPhysician AssistantsMedicare Payment Advisory CommissionHospitals, TeachingAnalgesiaAnalgesics, OpioidMedicineDrug IncompatibilityPhysician ImpairmentSpecializationHealth Care CostsAnesthetics, LocalRadiculopathyQuality Assurance, Health CarePhysicians' OfficesCenters for Medicare and Medicaid Services (U.S.)Hospitals, UniversityFailed Back Surgery SyndromePractice Guidelines as TopicPhysician Incentive PlansRetrospective StudiesClinical CompetenceChronic DiseaseHospitals, GeneralHealth Care SurveysPain ThresholdFamily PracticePain, PostoperativePrimary Health CareBetamethasoneHospital CostsNursing Staff, HospitalInternal MedicineAbdominal PainOpioid-Related DisordersData CollectionHospitals, UrbanSteroidsCross-Sectional StudiesEmergency Service, HospitalPain, IntractableEducation, Medical, ContinuingInsurance, Physician ServicesReferral and ConsultationOntarioCanadaTreatment OutcomeQuality of Health CareOffice VisitsProspective StudiesSpinal StenosisHospitals, PediatricEconomics, HospitalTime FactorsFinancial Management, HospitalProfessional Practice Location