Blair S. Allais, MD

Medicare activity in 2024

Official CMS public-use data for Blair S. Allais, 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. Destruction of precancer skin growth, 2-14 growths (17003)108 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)99 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)69 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)61 services
5. Destruction of precancer skin growth, 1 growth (17000)44 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 pressure70%
• Arthritis46%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)36%
• Ischemic heart disease25%
• Chronic kidney disease23%

Hospitals where Blair S. Allais works

Medicare's Facility Affiliation Data lists Blair S. Allais 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 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 Blair S. Allais is enrolled with Medicare (CMS data updated October 2, 2026).

• 44045 Rivderside PkwyLeesburg, VA 20176 (703) 771‑2960
• 44055 Riverside Pkwy, Suite 108Leesburg, VA 20176 (703) 858‑8600
• 8081 Innovation Park DrFairfax, VA 22031

Group practices

Medicare enrollment lists Blair S. Allais as a member of this group (CMS data updated October 2, 2026).

• Inova Health Care Services1,817 clinicians in the group

Specialties

• Dermatologyprimary

Find other Dermatology doctors in Virginia →

Other dermatologists in Leesburg

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

• Van T. Ha, MD
• Jennifer Desimone, MD
• Smeena Khan, MD
• Megan A. Brelsford, DO
• Vishal Patel, MD
• Khoa Q. Tran, MD
• Jane T. Nguyen, MD

All dermatologists in Leesburg →

Other clinicians in Inova Health Care Services

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

• Devon N. Hawkins, MD
• Michael B. McCabe, MD
• Laylan Shali, MD
• Jason M. Heckert, MD
• Miriam Hojjat, NP
• Catherine F. Wood, 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