William Porfilio, MD
NPI 1285836288 · Ophthalmology Physician · Burlington, NC
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Porfilio, MD is a Ophthalmology Physician provider in Burlington, NC (NPI 1285836288).
Provider details
- NPI number
- 1285836288
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 200700790 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,987 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 Complete Exam of Visual System92014 | 439 | $117 |
| Imaging of Retina92134 | 339 | $37 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 285 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 161 | $85 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 152 | $24 |
| Injection of Drug Into Eye67028 | 138 | $111 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 469 | 119 |
| Bimatoprostbrand: Lumigan | 146 | 42 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 142 | 100 |
| Prednisolone Acetate | 129 | 99 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 126 | 33 |
| Brimonidine Tartrate | 95 | 26 |
| Timolol Maleate | 80 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,072 across 28 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
Registry dates
- Enumerated
- 2007-06-01
- Last updated
- 2009-11-19
Frequently asked questions
- What is William Porfilio's NPI number?
- William Porfilio's National Provider Identifier (NPI) is 1285836288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Porfilio's specialty?
- William Porfilio is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Porfilio located?
- William Porfilio's practice location on file with NPPES is 1016 Kirkpatrick Road, Burlington, NC 27215-9714.
- What is William Porfilio's phone number?
- The practice phone number listed in the NPPES registry for William Porfilio is (336) 228-0254.
- Does William Porfilio accept Medicare?
- William Porfilio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Porfilio's NPI active?
- Yes — William Porfilio's NPI (1285836288) is active in the NPPES registry as of the last update on 2009-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.