A dose of market differentiation

Meira Schur, a mother of six, often pops into her Evanston, Ill., pediatrician's office unannounced — sometimes at night, or even on Sunday — toting a kid with an ear infection or high fever. A doctor's nightmare? NorthShore University HealthSystem gladly accommodates. The health network has expanded hours and walk-in service to quell patients' most common gripe: difficulty getting an appointment.