| NBOME | National Board of Osteopathic Medicine Examination |
|---|---|
| NOF | National Osteopathic Foundation; National Osteoporosis Foundation |
| OH | hydroxycorticosteroid; obstructive hypopnea; occipital horn; occupational health; occupational histo... |
| OM | obtuse mental; occipitomental; occupational medicine; ocular movement; oculomotor; Osborne Mendel [r... |
| OMG | osteopathic medical school graduate |