| DeLeo, Christina PA-C | SVHC Mountainview Clinic | (406) 446-3800 |
| DeLeo, Christina PA-C | SJMG Emergency Physicians | (406) 723-2585 |
| DeLeo, Christina PA-C | SVHC Bozeman Clinic | (406) 556-5888 |
| Demarais , Katie PA-C | SVHC Neurosurgery - Billings | (406) 237-5577 |
| Demarest, Holly LAC | Rimrock Foundation | (406) 248-3175 |
| Demars, Sean MD | Ear, Nose & Throat Associates | (406) 238-6161 |
| Demars, Scott DPM | Rimrock Podiatry | (406) 256-0077 |
| Depuydt, Kellie FNP | SVHC Laurel Medical Center | (406) 628-6311 |
| Depuydt, Kellie FNP | SVHC Lockwood Clinic | (406) 237-5444 |
| Dernbach, Daniel MD | SVH Wound Healing Center | (406) 237-8270 |
| Dernbach, Daniel MD | SVHC Wound Healing Center | (406) 237-8270 |
| Dernbach, Daniel MD | SVHC Heart & Vascular Center | (406) 238-6820 |
| Dernbach, Timothy MD | SVHC Wound Healing Center | (406) 237-8270 |
| Dernbach, Timothy MD | SVHC Heart & Vascular Center | (406) 238-6820 |
| Dernbach, Timothy MD | SVH Wound Healing Center | (406) 237-8270 |
| DeRouchey-Quinn, Janiel FNP | Rimrock Foundation | (406) 248-3175 |
| Deshaw, Maura PA | SJMG Emergency Physicians | (406) 723-2585 |
| Deshaw, Maura PA | SJMG Rocky Mountain Clinic | (406) 496-3633 |
| Deshaw, Maura PA | St James Boulder Clinic | (406) 225-4201 |
| Desmarais, Thomas MD | SVHC Heart & Vascular Center | (406) 238-6820 |
| Despain, Devin OD | Billings Family Optical | (406) 245-2299 |
| Dickerson, Don MD | SVH Frontier Cancer Center | (406) 238-6290 |
| Dickey, Lorraine MD | SVH Neonatology | (406) 237-7076 |
| Dietrich, Katherine DO | SVH Palliative Care | (406) 237-3683 |
| Dietrich, Katherine DO | SVHC Internal Medicine | (406) 238-6900 |
