Click on the links below to jump to each specialty:
| ADDICTION MEDICINE | OFFICE LOCATION | PHONE NUMBER |
| Allen L. Fein, MD | 595 Hampton Road, Southampton | (631) 283-6446 |
| Southold Family Medicine | 44360 County Road 48, Southold PO Box 478 | (631) 734-8742 |
| ALLERGY AND ASTHMA | OFFICE LOCATION | PHONE NUMBER |
| Long Island Allergy and Asthma | 2500 Nesconset Highway, Building 17A, Stony Brook | (631) 751-6262 |
| ANESTHESIOLOGY | OFFICE LOCATION | PHONE NUMBER |
| East End Anesthesiologists | 265 Herrick Road, Southampton | |
| CARDIOLOGY | OFFICE LOCATION | PHONE NUMBER |
| Cardiovascular and Lifestyle Medicine | 57 Southern Boulevard, Suite 3, Nesconset 280 Union Avenue, Holbrook | (631) 307-9737 |
| Heart Associates of Long Island | 1320 Stony Brook Road, Building D, Suite 100, Stony Brook | (631) 941-2273 |
| North Suffolk Cardiology | 66 Commack Road, Suite 306, Commack 45 Research Way, Suite 108, East Setauket 1741-A North Ocean Avenue, Medford 745 Route 25A, Suite F, Rocky Point | (631) 941-2000 |
| ENDOCRINOLOGY | OFFICE LOCATION | PHONE NUMBER |
| Stony Brook Endocrine Consultants | 200 Motor Parkway, Suite C-16, Hauppauge 1500 Route 112, Building 2, Suite B, Port Jefferson Station | (631) 638-4933 |
| FAMILY MEDICINE | OFFICE LOCATION | PHONE NUMBER |
| Allen L. Fein, MD | 365 County Road 39A, Suite 11, Southampton | (631) 283-6446 |
| Kimberly Barnaby, DO | 280 Union Avenue, Holbrook | (934) 213-4803 |
| Mattituck Family Medicine | 10095 Main Road, Mattituck | (934) 213-4499 |
| Nassau Suffolk Medical Practice | 120 Route 109, West Babylon | (631) 422-3636 |
| North Suffolk Family Medical Care | 4 Technology Drive, Suite 210, East Setauket | (631) 331-1506 |
| Rocky Point Family Medical Care | 170 Route 25A, Rocky Point | (934) 213-4309 |
| Southold Family Medicine | 44360 County Road 48, Southold PO Box 478 | (631) 734-8742 |
| FERTILITY | OFFICE LOCATION | PHONE NUMBER |
| Island Fertility | 500 Commack Road, Suite 202, Commack | (631) 638-4600 |
| GASTROENTEROLOGY | OFFICE LOCATION | PHONE NUMBER |
| North Shore Digestive Medicine | 50 Route 111, Suite 302, Smithtown | (631) 724-5300 |
| GERIATRIC MEDICINE | OFFICE LOCATION | PHONE NUMBER |
| NAD Medical Services at Peconic Landing | 1600 Brecknock Road, Greenport | (631) 749-5910 |
| Partners in Primary Care | 59 Southern Boulevard, Nesconset | (631) 418-8069 |
| INFECTIOUS DISEASE | OFFICE LOCATION | PHONE NUMBER |
| Stony Brook Medical Associates | 2500 Nesconset Highway, Building 11D, Stony Brook | (631) 689-7899 |
| INTERNAL MEDICINE | OFFICE LOCATION | PHONE NUMBER |
| All Inclusive Primary Care | 300 East Main Street, Suite 6, Smithtown | (631) 257-5290 |
| Long Island Premier Medical Care | 5036 Jericho Turnpike, Suite 207, Commack | (631) 486-8372 |
| NAD Medical Services at Peconic Landing | 1600 Brecknock Road, Greenport | (631) 749-5910 |
| North Country Primary Medical Care | 140 Belle Mead Road, East Setauket | (631) 821-8911 |
| Partners in Primary Care | 59 Southern Boulevard, Nesconset | (631) 418-8069 |
| Stony Brook Extended Care | 23 South Howell Avenue, Suite A, Centereach 54 Commerce Drive, Suite 5, Riverhead | (631) 542-0550 (631) 740-9181 |
| Suffolk Primary Care | 200 Motor Parkway, Suite C-16, Hauppauge | (934) 213-4830 |
| NEPHROLOGY | OFFICE LOCATION | PHONE NUMBER |
| Renal Consultants of Long Island | 140 Belle Mead Road, East Setauket | (631) 476-1010 |
| NEUROLOGY | OFFICE LOCATION | PHONE NUMBER |
| Sound Neurology | 170 Route 25A, Rocky Point | (631) 331-4377 |
| OBSTETRICS AND GYNECOLOGY | OFFICE LOCATION | PHONE NUMBER |
| Alison C. Madden, MD | 10095 Main Road, Mattituck | (934) 213-5435 |
| Argen Medical | 5225 Nesconset Highway, Building 14, Suite 70, Port Jefferson Station | (631) 331-8777 |
| Hamptons Gynecology and Obstetrics | 595 Hampton Road, Southampton 74 Commerce Drive, Suite 1, Riverhead 183 West Montauk Highway, Hampton Bays 600 Montauk Highway, Suite C, Center Moriches | (631) 283-0918 (631) 727-3422 (631) 723-2225 (631) 638-7820 |
| Megan Lochner, MD, FACOG | 23 South Howell Avenue, Suite A, Centereach | (934) 213-4570 |
| Smithtown Women's Health | 59 Southern Boulevard, Nesconset 309 E. Main Street, Suite 101, Smithtown | (631) 265-4567 |
| South Bay OB/GYN | 320 Montauk Highway, West Islip | (631) 587-2500 |
| Stony Brook Extended Care | 23 South Howell Avenue, Suite A, Centereach | (631) 542-0550 |
| Stony Brook Gynecology and Obstetrics | 200 Main Street, Suite 2, Setauket 774 Sycamore Avenue, Bohemia 333 Route 25A, Suite 30, Rocky Point | (631) 751-9595 (631) 218-9595 (631) 821-4444 |
| OBESITY MEDICINE | OFFICE LOCATION | PHONE NUMBER |
| Nassau Suffolk Medical Practice | 120 Route 109, West Babylon | (631) 422-3636 |
| North Country Primary Medical Care | 140 Belle Mead Road, East Setauket | (631) 821-8911 |
| Suffolk Primary Care | 200 Motor Parkway, Suite C-16, Hauppauge | (934) 213-4830 |
| OPHTHALMOLOGY | OFFICE LOCATION | PHONE NUMBER |
| Gideon Schneck, MD | 2500 Nesconset Highway, 17B, Stony Brook 800 Woodbury Road, Unit K, Woodbury | (631) 246-9140 |
| ORTHOPEDICS | OFFICE LOCATION | PHONE NUMBER |
| John J. Labiak, MD | 329 East Main Street, Suite 3, Smithtown | (631) 265-1855 |
| Long Island Orthopedic Surgery and Sports Medicine | 309 E. Main Street, Suite 102, Smithtown | (631) 360-2200 |
| North Fork Orthopaedic and Sports Medicine | 10095 Main Road, Mattituck | (631) 298-4579 |
| OTOLARYNGOLOGY | OFFICE LOCATION | PHONE NUMBER |
| Suffolk ENT | 59 Southern Blvd, Nesconset, NY 11767 and 500 Commack Rd, Suite 102, Commack, NY 11725 | (934) 213-5000 |
| PEDIATRICS | OFFICE LOCATION | PHONE NUMBER |
| Farzana Ahsan, MD, FAAP | 1 Lambert Avenue, Mastic | (631) 281-4070 |
| Mid Island Pediatric Associates | 850 Fulton Street, Suite 4, Farmingdale | (516) 454-8525 |
| Southampton Pediatric Associates | 325 Meeting House Lane, Building 2, Suite J, Southampton 5 Squiretown Road, Hampton Bays | (631) 283-7733 (631) 728-5300 |
| Stony Brook Pediatrics of Sayville | 3920 Veterans Memorial Highway, Suite 8, Bohemia 11716 | (631) 563-8190 |
| Wyandanch Pediatrics | 1543 Straight Path, Wyandanch | (631) 643-6006 |
| PHYSIATRY | OFFICE LOCATION | PHONE NUMBER |
| East End Spine and Sports Medicine | 222 Manor Place, Greenport 182 West Montauk Highway, Building B, Suite C, Hampton Bays | (631) 430-2090 |
| Long Island Orthopedic Surgery and Sports Medicine | 309 E. Main Street, Suite 102, Smithtown | (631) 360-2200 |
| PSYCHIATRY | OFFICE LOCATION | PHONE NUMBER |
| All Island Behavioral Health | 3771 Nesconset Highway, Suite 212, South Setauket | (631) 689-5390 |
| PULMONOLOGY | OFFICE LOCATION | PHONE NUMBER |
| New York Pulmonary Consultants | 1500 Route 112, Building 2, Suite B, Port Jefferson Station 47 Commerce Drive, Suite 1, Riverhead 200 Motor Parkway, Suite C-16, Hauppauge | (631) 978-7633 |
| SLEEP MEDICINE | OFFICE LOCATION | PHONE NUMBER |
| New York Pulmonary Consultants | 47 Commerce Drive, Suite 1, Riverhead 200 Motor Parkway, Suite C-16, Hauppauge | (631) 978-7633 |
| Stony Brook Endocrine Consultants | 200 Motor Parkway, Suite C-16, Hauppauge | (631) 638-4933 |
| SURGERY | OFFICE LOCATION | PHONE NUMBER |
| East End Surgical | 74 Commerce Drive, Suite 4, Riverhead 240 Meeting House Lane, Southampton 325 Meeting House Lane, Bldg 2, Suite 405, Southampton 44360 County Road 48, Southold 222 Manor Place, Greenport 10095 Main Road, Mattituck 600 Montauk Highway, Suite C, Center Moriches 225 W. Montauk Highway, Hampton Bays | |
| Suffolk Surgical Associates | 10 Brentwood Road, Suite 1, Bay Shore | (631) 665-8200 |