Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Gurinder S. Rana, MD

Works at hospitals in Ithaca, NY · Smithtown, NY · Roslyn, NY · New York

Summary

Dr. Gurinder S. Rana, MD is an internal medicine doctor at 100 Port Washington Blvd, Roslyn, NY 11576. Phone: (631) 669-2255. Accepts Medicare assignment. In 2024, Gurinder S. Rana had 342 Original Medicare patients and 929 services. NPI 1669776902. 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 Gurinder S. Rana, 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 Gurinder S. Rana accept Medicare assignment?
Yes. Medicare's clinician data says Gurinder S. Rana 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 Gurinder S. Rana see?
In 2024, CMS data shows 342 Original Medicare patients and 929 services for Gurinder S. Rana. This counts Original Medicare only and measures volume, not quality.
What is Gurinder S. Rana's NPI number?
1669776902. 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 Gurinder S. Rana, 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 patients342
Services billed to Medicare929
Different services or procedures20
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Critical care, first 30-74 minutes (99291)717 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)107 services
  3. Critical care, each additional 30 minutes (99292)35 services
  4. Hospital discharge day management, 30 minutes or less (99238)17 services
  5. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)12 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%
  • Heart failure66%
  • Atrial fibrillation66%
  • Arthritis63%

Hospitals where Gurinder S. Rana works

Medicare's Facility Affiliation Data lists Gurinder S. Rana 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 Gurinder S. Rana is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gurinder S. Rana as a member of these groups (CMS data updated October 2, 2026).

  • Cayuga Medical Associates PC282 clinicians in the group
  • Good Samaritan Hospital Medical Center165 clinicians in the group
  • St Francis Hospital99 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Roslyn

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

All internal medicine doctors in Roslyn →

Other clinicians in Cayuga Medical Associates PC

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669776902
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