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Ophthalmology

Sebastian P. Lesniak, MD

Works at hospitals in Pennington, NJ · New Jersey

Summary

Dr. Sebastian P. Lesniak, MD is an ophthalmologist at 2 Capital Way, Pennington, NJ 08534. Phone: (609) 882-8833. Accepts Medicare assignment. In 2024, Sebastian P. Lesniak had 946 Original Medicare patients and 3,070 services. NPI 1417252776. 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: 2 Capital Way, Pennington, NJ 08534 · Directions (1 more location)
  • Phone: (609) 882‑8833
  • Medicare: Accepts Medicare assignment
  • Hospital: Capital Health Medical Center - Hopewell
  • Group practice: Associated Retinal Consultants LLC
  • Medical school: Rutgers R W Johnson Medical School (cam/new Bruns/pisc) · graduated 2010 (16 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sebastian P. Lesniak, 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 Sebastian P. Lesniak accept Medicare assignment?
Yes. Medicare's clinician data says Sebastian P. Lesniak 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 Sebastian P. Lesniak see?
In 2024, CMS data shows 946 Original Medicare patients and 3,070 services for Sebastian P. Lesniak. This counts Original Medicare only and measures volume, not quality.
What is Sebastian P. Lesniak's NPI number?
1417252776. 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 Sebastian P. Lesniak, 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 patients946
Services billed to Medicare3,070
Different services or procedures43
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient complete exam of visual system (92014)749 services
  2. Established patient problem focused exam of visual system (92012)641 services
  3. Imaging of retina (92134)385 services
  4. Measurement of corneal curvature and depth of eye (92136)163 services
  5. Removal of cataract with insertion of prosthetic lens (66984)143 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 cholesterol75%
  • High blood pressure68%
  • Arthritis40%
  • Ischemic heart disease24%
  • Diabetes23%
  • Anxiety22%

Hospitals where Sebastian P. Lesniak works

Medicare's Facility Affiliation Data lists Sebastian P. Lesniak 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 Sebastian P. Lesniak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sebastian P. Lesniak as a member of this group (CMS data updated October 2, 2026).

  • Associated Retinal Consultants LLC117 clinicians in the group

Specialties

Find other Ophthalmology doctors in New Jersey →

Other ophthalmologists in Pennington

Clinicians with the same Medicare primary specialty in Pennington, NJ — not a recommendation.

All ophthalmologists in Pennington →

Other clinicians in Associated Retinal Consultants LLC

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

Clinician information

CredentialMD
Medical schoolRutgers R W Johnson Medical School (cam/new Bruns/pisc)
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417252776
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