| Business | Phone |
| Jerrold Abramson Phd 363 Route 111, Smithtown 11787 | (631) 360-0038 |
| Assessment & Counseling Center 1 Edgewood Ave, Smithtown 11787 | (631) 361-7389 |
| Ephraim Biblow 229 Abbot Rd, Smithtown 11787 | (631) 265-8300 |
| William Marrin 8 Manor Rd, Smithtown 11787 | (631) 265-4670 |
| Shane Bush 222 E Main St, Smithtown 11787 | (631) 724-5284 |
| Campbell & Santoro 363 Route 111 # 103, Smithtown 11787 | (631) 863-2741 |
| Matthew G Campbell 1 W Main St, Smithtown 11787 | (631) 366-2611 |
| Lisa R Cane 50 Karl Ave, Smithtown 11787 | (631) 360-3416 |
| Robert H Meyer 85 Wesleyan Rd, Smithtown 11787 | (631) 543-7082 |
| Morning Sun Rehab Center Inc 278 E Main St, Smithtown 11787 | (631) 361-6960 |
| Family Therapy Institute 39 Landing Ave, Smithtown 11787 | (631) 361-3662 |
| Joseph Fanuele 70 Lawrence Ave, Smithtown 11787 | (631) 360-3868 |
| Bruce Friedin 39 New Mill Rd, Smithtown 11787 | (631) 361-6910 |
| Harold L Pass Phd 29 Manor Rd, Smithtown 11787 | (631) 265-8873 |
| Frank Patalano 15 Bellemeade Ave, Smithtown 11787 | (631) 724-7950 |
| Michael A Herships Phd 222 E Main St # 202, Smithtown 11787 | (631) 361-9338 |
| Stephen H Honor 222 E Main St # 215, Smithtown 11787 | (631) 979-6226 |
| Patricia Joyce 1 W Main St, Smithtown 11787 | (631) 361-9650 |
| Kanaris Psychological Svc 496 Smithtown Byp # 304, Smithtown 11787 | (631) 979-2640 |
| Norman Kanter Phd 199 E Main St, Smithtown 11787 | (631) 724-6737 |
| Mark Sandberg Phd 50 Karl Ave # 104, Smithtown 11787 | (631) 724-5925 |
| Karen Schapiro 267 E Main St, Smithtown 11787 | (631) 863-0776 |
| Deborah Serani 12 Ivy Hill Dr, Smithtown 11787 | (631) 366-4674 |
| Amira Simha-Alpern 363 Route 111, Smithtown 11787 | (631) 863-0408 |
| Smithtown Consultation Center 91 Maple Ave, Smithtown 11787 | (631) 265-0877 |