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Internal Medicine

Naresh Bassi, MD

Works at hospitals in Falls Church, VA · Leesburg, VA · Virginia

Summary

Dr. Naresh Bassi, MD is an internal medicine doctor at 44045 Rivderside Pkwy, Leesburg, VA 20176. Phone: (703) 858-6040. Accepts Medicare assignment. In 2024, Naresh Bassi had 450 Original Medicare patients and 1,224 services. NPI 1801076419. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 44045 Rivderside Pkwy, Leesburg, VA 20176 · Directions
  • Phone: (703) 858‑6040
  • Medicare: Accepts Medicare assignment
  • Hospitals: Inova Fairfax Hospital, Inova Loudoun Hospital
  • Group practice: Inova Health Care Services (+1 more)
  • Medical school: graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Naresh Bassi, 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 Naresh Bassi accept Medicare assignment?
Yes. Medicare's clinician data says Naresh Bassi 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 Naresh Bassi see?
In 2024, CMS data shows 450 Original Medicare patients and 1,224 services for Naresh Bassi. This counts Original Medicare only and measures volume, not quality.
What is Naresh Bassi's NPI number?
1801076419. 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 Naresh Bassi, 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 patients450
Services billed to Medicare1,224
Different services or procedures9
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)467 services
  2. Critical care, first 30-74 minutes (99291)317 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)214 services
  4. Hospital discharge day management, more than 30 minutes (99239)204 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%
  • Arthritis64%
  • Ischemic heart disease59%
  • Chronic kidney disease56%
  • Heart failure55%

Hospitals where Naresh Bassi works

Medicare's Facility Affiliation Data lists Naresh Bassi 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.

  • Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490063
  • Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490043

Practice locations

Addresses where Naresh Bassi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Naresh Bassi as a member of these groups (CMS data updated October 2, 2026).

  • Inova Health Care Services1,817 clinicians in the group
  • Commonwealth Critical Care LLC23 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Leesburg

Clinicians with the same Medicare primary specialty in Leesburg, VA — not a recommendation.

All internal medicine doctors in Leesburg →

Other clinicians in Inova Health Care Services

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

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801076419
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