Irving J. Hwang, MD

Medicare activity in 2024

Official CMS public-use data for Irving J. Hwang, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)369 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)115 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)55 services
4. Hemoglobin a1c level (83036)35 services
5. Administration of influenza virus vaccine (G0008)25 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 cholesterol75%
• High blood pressure65%
• Arthritis39%
• Ischemic heart disease27%
• Diabetes23%
• Anxiety18%

Hospitals where Irving J. Hwang works

Medicare's Facility Affiliation Data lists Irving J. Hwang 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.

• Stonesprings Hospital CenterDulles, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490145

Practice locations

Addresses where Irving J. Hwang is enrolled with Medicare (CMS data updated October 2, 2026).

• 24430 Stone Springs Blvd, Suite 400Dulles, VA 20166 (703) 766‑5040

Group practices

Medicare enrollment lists Irving J. Hwang as a member of this group (CMS data updated October 2, 2026).

• Fairfax Family Practice Centers PC106 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Virginia →

Other family doctors in Virginia

Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.

• Anu V. Patel, MD
• Nail M. Miakhel, MD
• Sean P. Connors McBride, DO
• Brandon M. Lewko, MD
• Wilson Cook, MD
• Janice Soliven, MD
• Chad Feliciano, DO
• Cami Good, MD

All family doctors in Virginia →

Other clinicians in Fairfax Family Practice Centers PC

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

• Nathan N. Tran, MD
• Oladapo B. Olarinde, MD
• Kevin J. Lee, MD
• Elisabeth A. Boettke, NP
• Erin Wells
• Josiah Nguyen, PA

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