ˈæftɚɹ ɪntˈɜːnɪŋ, hiː sˈɜːvd ɔnðə stˈæf ʌv sˈɪɾi hˈɑːspɪɾəl ænd sənt. lˈuːks hˈɑːspɪɾəl ɪn nˈuː jˈɔːɹk ænd wʌzɐ fˈækəlti mˈɛmbɚɹ æt nˈuː jˈɔːɹk jˌuːnɪvˈɜːsᵻɾi ænd bˈɛlɪvjˌuː mˈɛdɪkəl kˈɑːlɪdʒ ænd æt ðə kˈɑːlɪdʒ ʌv fɪzˈɪʃənz ænd sˈɜːdʒənz.
After interning, he served on the staff of City Hospital and St. Luke's Hospital in New York and was a faculty member at New York University and Bellevue Medical College and at the College of Physicians and Surgeons.