Louis R. Spiegel

Medicare activity in 2024

Official CMS public-use data for Louis R. Spiegel, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)299 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)269 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)224 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)126 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)79 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 blood pressure75%
• High cholesterol75%
• Chronic kidney disease75%
• Ischemic heart disease55%
• Diabetes46%
• Arthritis42%

Hospitals where Louis R. Spiegel works

Medicare's Facility Affiliation Data lists Louis R. Spiegel 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.

• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

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

• 325 Meeting House LnSouthampton, NY 11968 (631) 283‑4048

Group practices

Medicare enrollment lists Louis R. Spiegel as a member of this group (CMS data updated October 2, 2026).

• Meeting House Lane Medical Practice PC124 clinicians in the group

Specialties

• Nephrologyprimary

Find other Nephrology doctors in New York →

Other nephrologists in New York

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

• Ravi Ramaswamy, MD
• Andrew S. Bomback, MD
• Sayed Mahdi Ayat, MD
• Nagaraja R. Sridhar, MD
• Sajan Das, MD
• Stacey Weiss, MD
• Antonio Gabriel Corona
• Chan M. Ma, MD

All nephrologists in New York →

Other clinicians in Meeting House Lane Medical Practice PC

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

• Elizabeth Keane, PA
• Amy E. Dalton, DO
• Michael Tenore, DO
• Sang I. Pak, MD
• Joshua F. Potter, DO
• Paul Poidomani, DO

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