| Ernest Fung | Psy.D. | Yes | - Chinese (Cantonese)
- English
| 18 and up | | |
| Brent A Funk | Psy.D. | Yes | | 18+ | | |
| Owen Gaasedelen | Ph.D. | Yes | | 8-100 | | |
| Shawn D. Gale | Ph.D. | Yes | | | | |
| Juliette Galindo | Ph.D. | Yes | | 18-99 | | |
| Kaitlyn Gall | Psy.D. | Yes | | | | |
| Frank J Gallo | Ph.D. | Yes | | 2-18 | | |
| William S. Garmoe | Ph.D. | Yes | | 18 and older | - District of Columbia
- Maryland
- Virginia
| |
| Kelly Davis Garrett | Ph.D. | Yes | | 18 and older | | |
| Robin Garrett | Psy.D. | Yes | | Adults | | |
| David C. Garron | Ph.D. | No | | | | |
| Brandon Gavett | Ph.D. | Yes | | 18+ | | |
| Rebecca Gavett | Ph.D. | Yes | | | | |
| Elizabeth K. Geary | Ph.D. | Yes | | 16-95 | | |
| Carissa Gehl | Ph.D. | Yes | | | | |
| Jennifer Geiger | Ph.D. | Yes | | 17-99 | | |
| Mary Reeni George | Ph.D. | Yes | | | | |
| Melissa Gerstle | Ph.D. | Yes | | Pediatrics | | |
| Anna Gekker Gertsberg | Ph.D. | Yes | | | | |
| Jennifer L. Gess | Ph.D. | Yes | | 13-Adult | | |
| Beata Geyer | Ph.D. | Yes | | child beginning at 2, some adul | | |
| Christine S. Ghilain | Ph.D. | Yes | | Lifespan: Birth through Older Adulthood | | |
| Gina Gibson | Ph.D. | Yes | | | | |
| Susan D. Gierok | Ph.D. | Yes | | 18 and above | | |
| Robert W. Gillen | Ph.D. | Yes | | | | |