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Optometry

Tristan G. Brown, OD

Sees patients in Fond Du Lac, WI · Wisconsin

Summary

Dr. Tristan G. Brown, OD is an optometrist at 421 Camelot Dr, Fond Du Lac, WI 54935. Phone: (920) 926-8616. Accepts Medicare assignment. In 2024, Tristan G. Brown had 222 Original Medicare patients and 2,291 services. NPI 1477083608. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 421 Camelot Dr, Fond Du Lac, WI 54935 · Directions
  • Phone: (920) 926‑8616
  • Medicare: Accepts Medicare assignment
  • Group practice: Agnesian Healthcare Inc
  • Optometry school: Indiana University - School Of Optometry · graduated 2017 (9 years since optometry school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Tristan G. Brown, 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 Tristan G. Brown accept Medicare assignment?
Yes. Medicare's clinician data says Tristan G. Brown 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 Tristan G. Brown see?
In 2024, CMS data shows 222 Original Medicare patients and 2,291 services for Tristan G. Brown. This counts Original Medicare only and measures volume, not quality.
What is Tristan G. Brown's NPI number?
1477083608. 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 Tristan G. Brown, 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 patients222
Services billed to Medicare2,291
Different services or procedures24
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Removal of cataract with insertion of prosthetic lens (66984)1,789 services
  2. Established patient complete exam of visual system (92014)102 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)56 services
  4. New patient complete exam of visual system (92004)38 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 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 pressure67%
  • Arthritis39%
  • Diabetes33%
  • Chronic kidney disease29%
  • Ischemic heart disease20%

Practice locations

Addresses where Tristan G. Brown is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tristan G. Brown as a member of this group (CMS data updated October 2, 2026).

  • Agnesian Healthcare Inc388 clinicians in the group

Specialties

Find other clinicians: Optometry, Wisconsin →

Other optometrists in Fond Du Lac

Clinicians with the same Medicare primary specialty in Fond Du Lac, WI — not a recommendation.

All optometrists in Fond Du Lac →

Other clinicians in Agnesian Healthcare Inc

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

Clinician information

CredentialOD
Optometry schoolIndiana University - School Of Optometry
Graduation year2017 (9 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477083608
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