Alessa S. Crossan, MD

Medicare activity in 2024

Official CMS public-use data for Alessa S. Crossan, 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. Injection, faricimab-svoa, 0.1 mg (J2777)3,660 services
2. Imaging of retina (92134)903 services
3. Injection, aflibercept, 1 mg (J0178)444 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)424 services
5. Injection, aflibercept hd, 1 mg (J0177)416 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%
• Arthritis42%
• Diabetes34%
• Ischemic heart disease26%
• Chronic kidney disease22%

Hospitals where Alessa S. Crossan works

Medicare's Facility Affiliation Data lists Alessa S. Crossan 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

Practice locations

Addresses where Alessa S. Crossan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1901 N Beauregard St, Suite 100Alexandria, VA 22311 (703) 931‑9100
• 19500 Sandridge Way, Suite 240Leesburg, VA 20176 (703) 443‑0015
• 3025 Hamaker Ct, Suite 101Fairfax, VA 22031 (703) 876‑9630
• 44135 Woodridge Pkwy, Suite 100Leesburg, VA 20176 (703) 858‑3170
• 8316 Arlington BlvdFairfax, VA 22031 (703) 573‑8080

Group practices

Medicare enrollment lists Alessa S. Crossan as a member of these groups (CMS data updated October 2, 2026).

• Dulles Eye Associates, P.C.20 clinicians in the group
• James W Mattern Od, PLLC6 clinicians in the group
• Virginia Retina Center LLC5 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in Virginia →

Other ophthalmologists in Alexandria

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

• Mark J. Schefkind, MD
• Alan J. Pollack, MD
• Marena Patronas, MD
• Tamer Mansour, MD
• Christina L. Butera, MD
• Ayman Boutros, MD
• Monica Dalal, MD
• Padmaja Nootheti, MD

All ophthalmologists in Alexandria →

Other clinicians in Dulles Eye Associates, P.C.

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

• Russell B. Pearlman, OD
• Remil Simon, MD
• Alvin Siv, OD
• Aryan Mashid, OD
• Houriya Mahboobi, OD
• Deena Tailor, OD

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