Sylvia Casas De Leon, MD
NPI 1619362993 · Cornea and External Diseases Specialist Physician · Reston, VA
Provider details
- NPI number
- 1619362993
- Entity type
- Individual
- Primary specialty
- Cornea and External Diseases Specialist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 297778 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,879 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 435 | $141 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 333 | $18 |
| Imaging of Retina92134 | 300 | $45 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 180 | $17 |
| Established Patient Complete Exam of Visual System92014 | 108 | $140 |
| Exam of Visual Field With Extended Testing92083 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$858 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 635 W 165th St # 96New York, NY 10032-3724Phone: (212) 305-6709Fax: (212) 305-5523
Registry dates
- Enumerated
- 2015-04-02
- Last updated
- 2020-05-15
- Certified
- 2020-05-15
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.