Andres S. Flieder, MD

Medicare activity in 2024

Official CMS public-use data for Andres S. Flieder, 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. Pathology examination of tissue using a microscope, moderately high complexity (88307)326 services
2. Microscopic genetic analysis of tumor, manual (88360)290 services
3. Special stained specimen slides to examine tissue, initial procedure (88342)247 services
4. Special stained specimen slides to examine tissue, each additional procedure (88341)210 services
5. Special stained specimen slides to examine tissue, each multiplex procedure (88344)149 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High blood pressure74%
• Arthritis50%
• Diabetes30%
• Osteoporosis29%

Hospitals where Andres S. Flieder works

Medicare's Facility Affiliation Data lists Andres S. Flieder 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.

• Long Island Community HospitalPatchogue, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330141
• NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214

Practice locations

Addresses where Andres S. Flieder is enrolled with Medicare (CMS data updated October 2, 2026).

• 111 BroadwayNew York, NY 10006 (212) 263‑9700
• 259 1st StMineola, NY 11501

Group practices

Medicare enrollment lists Andres S. Flieder as a member of this group (CMS data updated October 2, 2026).

• New York University6,134 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in New York →

Other pathologists in New York

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

• Cheng Liu, MD
• Annacarolina Fabiana Lucia Da Silva, MD
• Kamaljeet Singh, MD
• Jinrong Cheng, MD
• Qingqing Liu, MD
• Jonathan Melamed, MD
• Scott Wolfe, DO
• Madhu M. Ouseph, MD

All pathologists in New York →

Other clinicians in New York University

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

• Matthew Valvo, PA
• Errol Gordon, NP
• Vishal Gupta
• David Fixler, PA
• Wilfredo Talavera, MD
• Catherine Constable

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