Nabil Alkhoury Fallouh, MD

Medicare activity in 2024

Official CMS public-use data for Nabil Alkhoury Fallouh, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)166 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)100 services
3. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)44 services
4. Hospital discharge day management, more than 30 minutes (99239)42 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)36 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 cholesterol70%
• Arthritis60%
• Diabetes56%
• Ischemic heart disease50%
• Chronic kidney disease47%

Hospitals where Nabil Alkhoury Fallouh works

Medicare's Facility Affiliation Data lists Nabil Alkhoury Fallouh 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.

• George Washington University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 090001

Practice locations

Addresses where Nabil Alkhoury Fallouh is enrolled with Medicare (CMS data updated October 2, 2026).

• 900 23rd St NWWashington, DC 20037 (202) 715‑4000

Group practices

Medicare enrollment lists Nabil Alkhoury Fallouh as a member of this group (CMS data updated October 2, 2026).

• Medical Faculty Associates, Inc672 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

• Jessica L. Osborn, MD
• Helen Burstin, MD
• Ganesh Mohan, MD
• Facika Tafara, MD
• Lindsay A. Sher, MD
• Ronald B. Reisler, MD
• Louis K. Zweig, MD
• Corica Rodgers, MD

All internal medicine doctors in Washington →

Other clinicians in Medical Faculty Associates, Inc

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

• Helen Burstin, MD
• Sanford Littwin, MD
• Erica Valdovinos, MD
• James L. Griffith, MD
• Sami Droubi, MD
• Farnaz Farhi, MD

Clinician information

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