| Unit or Department | Telephone | Fax |
| 2 South Patient Care Unit | 631-548-6275 | |
| 3 South Patient Care Unit | 631-548-6285 | |
| Administration | 631-548-6063 | |
| Admitting Office | 631-548-6010 | |
| Business Office | 631-548-6099 | |
| Cancer Services | 631-548-6320 | |
| Central Registration | 631-548-6140 | |
| Communications / PR Office | 631-548-6088 | |
| Corporate Compliance 24/7 HelpLine | 800-894-3226 | |
| Emergency Department | 631-548-6200 | |
| Employee Health | 631-548-6325 | |
| External Affairs | 631-548-6080 | 631-548-6048 |
| Foundation | 631-548-6080 | 631-548-6048 |
| Front Lobby/Kanas Center | 631-548-6929 | |
| Gift Shop | 631-548-6022 | |
| Graduate Medical Education | 631-548-6446 | |
| Home Health Services | 631-548-6432 | |
| Human Resources | 631-548-6340 | |
| Intensive Care Unit | 631-548-6280 | |
| Laboratory | 631-548-6140 | 631-548-6899 |
| Main Lobby | 631-548-6900 | |
| Maternity Unit | 631-548-6290 | |
| Medical Affairs Office | 631-548-6440 | 631-727-0772 |
| Medical Records Office | 631-548-6360 | |
| Medical Staff Development | 631-548-6069 | |
| MRI Office | 631-548-6217 | |
| Nurse Recruiter | 631-548-6174 | |
| Nursing Administration | 631-548-6190 | |
| Office of Corporate Compliance | 516-465-8097 | |
| Office of Patient and Family Centered Care | 631-548-6239 | |
| Outpatient Physical Therapy | 631-727-9654 | |
| Pastoral Care | 631-548-6025 | |
| Patient Accounts | 631-548-6099 | |
| Patient Registration | 631-548-6140 | |
| Pegasus House Palliative Care Program |
631-965-7737 |
|
| Physician Referral | 888-PBMC-123 | |
| Pre-Surgical Testing | 631-548-6208 | |
| Quality Management | 631-548-6121 | 631-548-6880 |
| Radiology | 631-548-6172 | |
| School of Radiology | 631-548-6173 | |
| Skilled Nursing Facility | 631-548-6260 | 631-548-6273 |
| Social Services | 631-548-6430 | |
| Spine Treatment Services | 631-548-6310 | |
| Volunteers/Auxiliary | 631-548-6020 |