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Ophthalmology

Nelson C. Klaus Iii, MD

Sees patients in Port Saint Lucie, FL · Stuart, FL · Florida

Summary

Nelson C. Klaus Iii, MD (Ophthalmology) is enrolled with Medicare at 2 practice locations in Port Saint Lucie, FL and Stuart, FL. NPI 1154373322. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nelson C. Klaus Iii, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
University Of North Carolina At Chapel Hill School Of MedicineMedical school
MaleGender (as listed)
Stuart Eye Institute PAGroup practice

Quick answers

Where does Nelson C. Klaus Iii see patients?
Medicare's clinician data lists 2 practice locations, including Port Saint Lucie, FL and Stuart, FL. Call before your visit to confirm the address.
What is Nelson C. Klaus Iii's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Nelson C. Klaus Iii accept Medicare assignment?
Yes. Medicare's clinician data says Nelson C. Klaus Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nelson C. Klaus Iii?
(772) 335-1766, as listed in official Medicare / NPI Registry data.
What is Nelson C. Klaus Iii's NPI number?
1154373322. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Nelson C. Klaus Iii is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nelson C. Klaus Iii as a member of this group (CMS data updated 2026-10-02).

  • Stuart Eye Institute PA6 clinicians in the group

Specialties

Find other Ophthalmology doctors in Florida →

Other ophthalmologists in Port Saint Lucie

Clinicians with the same Medicare primary specialty in Port Saint Lucie, FL — not a recommendation.

All ophthalmologists in Port Saint Lucie →

Clinician information

CredentialMD
Medical schoolUniversity Of North Carolina At Chapel Hill School Of Medicine
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154373322
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians