Gary Cassel, MD
NPI 1124180880 · Ophthalmology Physician · Owings Mills, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1124180880
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D24345 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,062 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Complete Exam of Visual System92014 | 451 | $123 |
| Established Patient Problem Focused Exam of Visual System92012 | 225 | $87 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 161 | $56 |
| New Patient Complete Exam of Visual System92004 | 106 | $145 |
| Exam of Visual Field With Extended Testing92083 | 37 | $26 |
| Removal of Recurring Cataract in Lens Capsule Using a Laser66821 | 31 | $393 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 174 | 60 |
| Timolol Maleate | 36 | 18 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 30 | — |
| Brimonidine Tartrate | 28 | — |
| Erythromycin Basebrand: Erythromycin | 22 | 15 |
| Bimatoprostbrand: Lumigan | 22 | — |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 20 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-15
- Last updated
- 2025-02-05
- Certified
- 2025-02-05
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.