Brian R. Landzberg, MD

Medicare activity in 2024

Official CMS public-use data for Brian R. Landzberg, 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)463 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)92 services
3. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)88 services
4. Biopsy of large bowel using a flexible endoscope (45380)85 services
5. Stool analysis for blood, by peroxidase activity (82272)54 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 pressure62%
• Arthritis57%
• Ischemic heart disease39%
• Osteoporosis38%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)29%

Hospitals where Brian R. Landzberg works

Medicare's Facility Affiliation Data lists Brian R. Landzberg 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.

• New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101

Practice locations

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

• 311 E 79th StNew York, NY 10075 (212) 737‑5000

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in New York →

Other gastroenterologists in New York

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

• Felice H. Schnoll-Sussman, MD
• Mythri Subramaniam, MD
• Norihiro Goto, MD
• Carl J. McDougall, MD
• Vladislav Fomin, MD
• Jay L. Steinberg, MD
• Jennifer M. Harley, MD
• Jennifer D. Claytor, MD

All gastroenterologists in New York →

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