### Question:
OrganizationalProviderServiceImpl implements
		OrganizationalProviderService { public OrganizationalProvider findOrganizationalProviderByNpi(String npi) { return organizationalProviderRepository.findByNpi(npi); } OrganizationalProviderServiceImpl(
			PatientRepository patientRepository, ModelMapper modelMapper,
			OrganizationalProviderRepository organizationalProviderRepository); @Override long countAllOrganizationalProviders(); @Override void deleteOrganizationalProvider(
			OrganizationalProvider organizationalProvider); @Override void deleteOrganizationalProviderDto(
			OrganizationalProviderDto organizationalProviderDto); @Override void deleteOrganizationalProviderDtoByPatientId(
			OrganizationalProviderDto organizationalProviderDto); @Override OrganizationalProvider findOrganizationalProvider(Long id); @Override OrganizationalProviderDto findOrganizationalProviderDto(Long id); @Override List<OrganizationalProvider> findAllOrganizationalProviders(); @Override List<OrganizationalProvider> findOrganizationalProviderEntries(
			int firstResult, int maxResults); @Override void saveOrganizationalProvider(
			OrganizationalProvider organizationalProvider); @Override OrganizationalProvider updateOrganizationalProvider(
			OrganizationalProvider organizationalProvider); @Override void updateOrganizationalProvider(
			OrganizationalProviderDto organizationalProviderDto); @Override OrganizationalProvider addNewOrganizationalProvider(
			OrganizationalProviderDto organizationalProviderDto); OrganizationalProvider findOrganizationalProviderByNpi(String npi);  }### Answer:
@Test public void testFindOrganizationalProviderByNpi() { organizationalProviderService .findOrganizationalProviderByNpi(anyString()); verify(organizationalProviderRepository).findByNpi(anyString()); }