Susan N. Ramdhaney, MD

Medicare activity in 2024

Official CMS public-use data for Susan N. Ramdhaney, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)52 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)47 services
3. Insertion of needle into vein for collection of blood sample (36415)29 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 services
5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)19 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure73%
• Arthritis47%
• Diabetes24%
• Ischemic heart disease23%
• Anxiety23%

Hospitals where Susan N. Ramdhaney works

Medicare's Facility Affiliation Data lists Susan N. Ramdhaney at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198

Practice locations

Addresses where Susan N. Ramdhaney is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Healthy WayOceanside, NY 11572 (516) 632‑3935
• 1155 Northern BlvdManhasset, NY 11030 (516) 390‑2850

Group practices

Medicare enrollment lists Susan N. Ramdhaney as a member of this group (CMS data updated October 2, 2026).

• North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Oceanside

Clinicians with the same Medicare primary specialty in Oceanside, NY — not a recommendation.

• Rashmi R. Advani, MD
• Stephen M. Mulrooney, MD
• Kasim Kazbay, MD
• Amit H. Sachdev, MD
• Stavros Stavropoulos, MD
• Jay S. Fenster, MD

All gastroenterologists in Oceanside →

Other clinicians in North Shore Medical Group of the Mount Sinai School of Medicine

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

• Nida Syed, PA
• Harley J. Cohen, MD
• Steven Xian, MD
• Yee Soo Kim, MD
• George M. Schmitz, MD
• Rupa L. Iyengar-Kapuganti, 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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians