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Infectious Disease

Alexander Bagasra, MD

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

Summary

Dr. Alexander Bagasra, MD is an infectious disease doctor at 11211 Waples Mill Rd, Suite 200, Fairfax, VA 22030. Phone: (703) 246-9560. Accepts Medicare assignment. In 2024, Alexander Bagasra had 413 Original Medicare patients and 38,869 services. NPI 1083871800. 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: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 11211 Waples Mill Rd, Suite 200, Fairfax, VA 22030 · Directions (1 more location)
  • Phone: (703) 246‑9560
  • Medicare: Accepts Medicare assignment
  • Hospitals: Inova Fair Oaks Hospital, Inova Fairfax Hospital, Inova Loudoun Hospital
  • Group practice: Infectious Disease Consultants
  • Medical school: Medical University Of South Carolina College Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander Bagasra, 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 Alexander Bagasra accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Bagasra 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 Alexander Bagasra see?
In 2024, CMS data shows 413 Original Medicare patients and 38,869 services for Alexander Bagasra. This counts Original Medicare only and measures volume, not quality.
What is Alexander Bagasra's NPI number?
1083871800. 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 Alexander Bagasra, 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 patients413
Services billed to Medicare38,869
Different services or procedures30
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)927 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)200 services
  3. Injection, ertapenem sodium, 500 mg (J1335)168 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)165 services
  5. Infusion, normal saline solution, 250 cc (J7050)156 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%
  • Arthritis63%
  • Ischemic heart disease54%
  • Chronic kidney disease53%
  • Diabetes46%

Hospitals where Alexander Bagasra works

Medicare's Facility Affiliation Data lists Alexander Bagasra 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 Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
  • 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 Alexander Bagasra is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexander Bagasra as a member of this group (CMS data updated October 2, 2026).

  • Infectious Disease Consultants10 clinicians in the group

Specialties

Find other Infectious Disease doctors in Virginia →

Other infectious disease doctors in Fairfax

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

All infectious disease doctors in Fairfax →

Other clinicians in Infectious Disease Consultants

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

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083871800
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