Ronald St Louis, MD

Medicare activity in 2024

Official CMS public-use data for Ronald St Louis, 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. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)1,194 services
2. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)240 services
3. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)108 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)83 services
5. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes (99307)42 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%
• Diabetes75%
• Alzheimer's disease or dementia54%
• Depression46%
• Arthritis40%

Hospitals where Ronald St Louis works

Medicare's Facility Affiliation Data lists Ronald St Louis 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.

• Montefiore Medical CenterBronx, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330059

Practice locations

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

• 3327 Bainbridge AveBronx, NY 10467 (718) 324‑6365

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Bronx

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

• Jose J. Fefer, MD
• Jessica A. Dekhtyar, MD
• Omesh Jhagroo, MD
• David Chong, MD
• Lawrence Lucas, MD
• Fernando S. Mora McLaughlin, MD
• Deepika E. Slawek
• Saeedeh Kowsarnia, MD

All internal medicine doctors in Bronx →

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