- Family Practice
- Dr. Luigi Buono, Mattituck
Family Medicine
631-298-2030 - Dr. Cynthia Carlson, Mattituck
Family Medicine
631-298-2030 - Dr. Christopher J. Kielbasa, Hampton Bays
Family Medicine
631-728-4500 - Dr. Brian McNulty, Center Moriches
Family Medicine
631-878-2222 - Dr. Evan Nadal, Riverhead
Family Medicine
631-727-1600 - Dr. Vishnu Seodat, Riverhead
Family Medicine
631-722-4400 - Dr. Steven Spiegel, Westhampton Beach
Internal Medicine
631-288-2273 - Surgical Specialists
- Dr. Brett Ruffo, Riverhead
Colorectal and General Surgery
631-727-5065 - Dr. Agostino Cervone, Riverhead
Hernia, Breast and General Surgery
631-284-9250 - Dr. Michael Ciminiello, Riverhead
Joint Replacement Surgery
631-369-5000 - Dr. Louis C. Romeo, Riverhead
Joint Replacement Surgery
631-369-5000 - Dr. Peter Sultan, Riverhead
Joint Replacement Surgery
631-727-6308 - Dr. Jennifer Hill, Riverhead
Urology and Urologic Surgery
631-284-9494 - Dr. Lawrence Walser, Riverhead
Internal Medicine & Pulmonology
631-727-6308
Lawrence Walser, MD
Internal Medicine & Pulmonology
Riverhead
185 Old Country Rd., Suite 3, Riverhead, NY 11901
To make an appointment, call: 631-727-6308
Office Hours
Monday – Friday
Specialties
- Internal Medicine
- Pulmonology
- Critical Care
A native-born Long Islander, Dr. Walser is one of Suffolk County's most distinguished physicians. A former Chief of the Departments of Medicine at Eastern Long Island Hospital and Peconic Bay Medical Center, he currently serves as Medical Director of Peconic Bay Medical Center's Intensive Care Unit and Department of Respiratory Care.
Fellowship-trained in Pulmonary-Critical Care, Dr. Walser is Board-Certified in Internal Medicine, as well as in the Sub-Specialties of Pulmonary Disease and Critical Care.
Dr. Walser has often been honored for his contributions and accomplishments as a physician and pulmonologist, including as a "Top Doctor" for 2012 by US News & World Report.
Board Certifications
American Board of Internal Medicine
American Board of Internal Medicine: Pulmonary Disease Subspecialty
American Board of Internal Medicine: Critical Care Subspecialty
National Board of Medical Examiners
Medical Training
SUNY Downstate College of Medicine, Brooklyn NY
Fellowship
Fellowship in Pulmonary-Critical Care, SUNY Stony Brook University Medical Center, Stony Brook, NY
Medical Associations
American College of Chest Physicians
American Thoracic Society
Hospital Affiliations
- Peconic Bay Medical Center
- Eastern Long Island Hospital









