Petra J. Thomas, MD

Medicare activity in 2024

Official CMS public-use data for Petra J. Thomas, 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)281 services
2. Test to measure expiratory airflow and volume (94010)182 services
3. Test to determine lung volumes using sensors (94726)89 services
4. Test to examine how well the lungs exchange gases (94729)88 services
5. Test to measure expiratory airflow and volume changes before and after medication administration (94060)86 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 pressure74%
• Arthritis56%
• Ischemic heart disease39%
• COPD39%
• Asthma38%

Hospitals where Petra J. Thomas works

Medicare's Facility Affiliation Data lists Petra J. Thomas 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
• Stonesprings Hospital CenterDulles, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490145

Practice locations

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

• 19415 Deerfield Ave, Suite 301Leesburg, VA 20176 (571) 367‑0000
• 24430 Stone Springs Blvd, Unit 200Dulles, VA 20166 (571) 367‑0000

Group practices

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

• Nova Pulmonary Critical Care and Sleep Associates, LLC3 clinicians in the group

Specialties

• Pulmonary Diseaseprimary
• Hematologyalso

Find other Pulmonary Disease doctors in Virginia →

Other pulmonologists in Leesburg

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

• Jawad H. Khan, MD
• Vishal Mungal, MD
• Adlah Sukkar, MD
• Aditya N. Dubey, MD
• Ellen C. Vaughey, MD
• Ignacio I. Mendiguren, MD

All pulmonologists in Leesburg →

Other clinicians in Nova Pulmonary Critical Care and Sleep Associates, LLC

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

• Aditya N. Dubey, 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