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Ophthalmology

Ronald W. Kristan, MD

Sees patients in Little Silver, NJ · Eatontown, NJ · New Jersey

Summary

Dr. Ronald W. Kristan, MD is an ophthalmologist at 180 White Rd, Suite 202, Little Silver, NJ 07739. Phone: (732) 219-9220. Accepts Medicare assignment. In 2024, Ronald W. Kristan had 2,957 Original Medicare patients and 10,847 services. NPI 1114928843. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 180 White Rd, Suite 202, Little Silver, NJ 07739 · Directions (1 more location)
  • Phone: (732) 219‑9220
  • Medicare: Accepts Medicare assignment
  • Group practice: Atlantic Eye Physicians, PA
  • Medical school: New York University Medical College - Nlg · graduated 1980 (46 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ronald W. Kristan, 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 Ronald W. Kristan accept Medicare assignment?
Yes. Medicare's clinician data says Ronald W. Kristan 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 Ronald W. Kristan see?
In 2024, CMS data shows 2,957 Original Medicare patients and 10,847 services for Ronald W. Kristan. This counts Original Medicare only and measures volume, not quality.
What is Ronald W. Kristan's NPI number?
1114928843. 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 Ronald W. Kristan, 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 patients2,957
Services billed to Medicare10,847
Different services or procedures80
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Injection, incobotulinumtoxin a, 1 unit (J0588)2,273 services
  2. Established patient problem focused exam of visual system (92012)1,434 services
  3. Established patient complete exam of visual system (92014)1,322 services
  4. Exam of visual field with extended testing (92083)681 services
  5. Imaging of optic nerve (92133)609 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 pressure74%
  • Arthritis51%
  • Ischemic heart disease35%
  • Diabetes28%
  • Anxiety25%

Practice locations

Addresses where Ronald W. Kristan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ronald W. Kristan as a member of this group (CMS data updated October 2, 2026).

  • Atlantic Eye Physicians, PA15 clinicians in the group

Specialties

Find other Ophthalmology doctors in New Jersey →

Other ophthalmologists in Little Silver

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

All ophthalmologists in Little Silver →

Other clinicians in Atlantic Eye Physicians, PA

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

Clinician information

CredentialMD
Medical schoolNew York University Medical College - Nlg
Graduation year1980 (46 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114928843
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians