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Ophthalmology

William Porfilio, MD

Works at hospitals in Burlington, NC · North Carolina

Summary

Dr. William Porfilio, MD is an ophthalmologist at 1016 Kirkpatrick Rd, Burlington, NC 27215. Phone: (336) 228-0254. Accepts Medicare assignment. In 2024, William Porfilio had 756 Original Medicare patients and 2,382 services. NPI 1285836288. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 1016 Kirkpatrick Rd, Burlington, NC 27215 · Directions
  • Phone: (336) 228‑0254
  • Medicare: Accepts Medicare assignment
  • Hospital: Alamance Regional Medical Center
  • Group practice: Alamance Eye Care PA
  • Medical school: University Of North Carolina At Chapel Hill School Of Medicine · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William Porfilio, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does William Porfilio accept Medicare assignment?
Yes. Medicare's clinician data says William Porfilio accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does William Porfilio see?
In 2024, CMS data shows 756 Original Medicare patients and 2,382 services for William Porfilio. This counts Original Medicare only and measures volume, not quality.
What is William Porfilio's NPI number?
1285836288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for William Porfilio, 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.

Original Medicare patients756
Services billed to Medicare2,382
Different services or procedures44
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient complete exam of visual system (92014)439 services
  2. Imaging of retina (92134)339 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)285 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)161 services
  5. Measurement of corneal curvature and depth of eye (92136)152 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%
  • Arthritis43%
  • Diabetes33%
  • Ischemic heart disease29%
  • Chronic kidney disease25%

Hospitals where William Porfilio works

Medicare's Facility Affiliation Data lists William Porfilio 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.

Practice locations

Addresses where William Porfilio is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William Porfilio as a member of this group (CMS data updated October 2, 2026).

  • Alamance Eye Care PA12 clinicians in the group

Specialties

Find other Ophthalmology doctors in North Carolina →

Other ophthalmologists in Burlington

Clinicians with the same Medicare primary specialty in Burlington, NC — not a recommendation.

All ophthalmologists in Burlington →

Other clinicians in Alamance Eye Care PA

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

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285836288
CorrectionsReport an error or suggest an update →

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