Graham R. Hadley, MD

Practice locations

Addresses where Graham R. Hadley is enrolled with Medicare (CMS data updated October 2, 2026).

• 1111 Broadhollow Rd, Suite 114aFarmingdale, NY 11735 (516) 336‑8659
• 33 N Ocean Ave, Floor 2Freeport, NY 11520 (516) 593‑4451
• 3632 Nostrand Ave, 2 All City Family Health CenterBrooklyn, NY 11229 (718) 332‑4409
• 4161 Kissena Blvd, Suite DFlushing, NY 11355 (718) 359‑2827

Group practices

Medicare enrollment lists Graham R. Hadley as a member of these groups (CMS data updated October 2, 2026).

• Gastrointestinal Care of Long Island PLLC183 clinicians in the group
• Alexios Apazidis MD PC4 clinicians in the group
• Synergy Endoscopy Medicine PLLC4 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in New York →

Other anesthesiologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

• Judith Aronsohn, MD
• Divya Yadlapalli, DO
• Edward Ng, MD
• Sophia Liu, MD
• Joshua D. Sisser, MD
• Gene A. Musto, MD
• Danika Dorelien, MD
• Anthony L. Hans, MD

All anesthesiologists in New York →

Other clinicians in Gastrointestinal Care of Long Island PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Naixi Li
• Barry S. Dorf, MD
• Sean J. Sheehan, MD
• Chaim Abittan, MD
• Carolanne Rosenthal
• Marina Galperin, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians