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Cardiovascular Disease (Cardiology)

Xiao Li Ren, MD

Works at hospitals in Bethpage, NY · West Islip, NY · Smithtown, NY … · New York

Summary

Dr. Xiao Li Ren, MD is a cardiologist at 100 Port Washington Blvd, Roslyn, NY 11576. Phone: (516) 562-6000. Accepts Medicare assignment. In 2024, Xiao Li Ren had 752 Original Medicare patients and 1,305 services. NPI 1699731471. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Xiao Li Ren, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Xiao Li Ren accept Medicare assignment?
Yes. Medicare's clinician data says Xiao Li Ren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Xiao Li Ren see?
In 2024, CMS data shows 752 Original Medicare patients and 1,305 services for Xiao Li Ren. This counts Original Medicare only and measures volume, not quality.
What is Xiao Li Ren's NPI number?
1699731471. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Xiao Li Ren, 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.

Original Medicare patients752
Services billed to Medicare1,305
Different services or procedures12
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)648 services
  2. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)198 services
  3. Ultrasound of heart, follow-up (93308)175 services
  4. Ultrasound of heart blood flow, valves and chambers, follow-up (93321)151 services
  5. Ultrasound of heart blood flow, valves and chambers (93320)49 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%
  • Ischemic heart disease75%
  • Arthritis61%
  • Atrial fibrillation58%
  • Heart failure57%

Hospitals where Xiao Li Ren works

Medicare's Facility Affiliation Data lists Xiao Li Ren 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.

Practice locations

Addresses where Xiao Li Ren is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Xiao Li Ren as a member of these groups (CMS data updated October 2, 2026).

  • CHS Physician Partners PC743 clinicians in the group
  • St Francis Cardiac Prevention Services PC62 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in Roslyn

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

All cardiologists in Roslyn →

Other clinicians in CHS Physician Partners PC

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

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699731471
CorrectionsReport an error or suggest an update →

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