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Sleep Medicine

Tajender S. Vasu, MD

Sees patients in Leesburg, VA · Falls Church, VA · Virginia

Summary

Dr. Tajender S. Vasu, MD is a sleep medicine doctor at 19450 Deerfield Ave, Suite 100, Leesburg, VA 20176. Phone: (571) 350-3668. Accepts Medicare assignment. In 2024, Tajender S. Vasu had 934 Original Medicare patients and 2,162 services. NPI 1174734362. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Sleep medicine doctor (Medicare lists Sleep Medicine)
  • Address: 19450 Deerfield Ave, Suite 100, Leesburg, VA 20176 · Directions (4 more locations)
  • Phone: (571) 350‑3668
  • Medicare: Accepts Medicare assignment
  • Group practice: Inova Health Care Services (+1 more)
  • Medical school: graduated 2003 (23 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Tajender S. Vasu, 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 Tajender S. Vasu accept Medicare assignment?
Yes. Medicare's clinician data says Tajender S. Vasu 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 Tajender S. Vasu see?
In 2024, CMS data shows 934 Original Medicare patients and 2,162 services for Tajender S. Vasu. This counts Original Medicare only and measures volume, not quality.
What is Tajender S. Vasu's NPI number?
1174734362. 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 Tajender S. Vasu, 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 patients934
Services billed to Medicare2,162
Different services or procedures14
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)720 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)591 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)254 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)227 services
  5. Sleep study in sleep lab (6 years or older) (95810)133 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%
  • Arthritis51%
  • Ischemic heart disease39%
  • Atrial fibrillation37%
  • Diabetes31%

Practice locations

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

Group practices

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

  • Inova Health Care Services1,817 clinicians in the group
  • The Cardiovascular Group, PC18 clinicians in the group

Specialties

Find other Sleep Medicine doctors in Virginia →

Other sleep medicine doctors in Leesburg

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

All sleep 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 year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174734362
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians