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Optometry

Katherine S. Flynn, OD

Sees patients in Tarpon Springs, FL · Florida

Summary

Dr. Katherine S. Flynn, OD is an optometrist at 43309 US Hwy 19 N, Tarpon Springs, FL 34689. Phone: (727) 943-3111. Accepts Medicare assignment. In 2024, Katherine S. Flynn had 702 Original Medicare patients and 1,499 services. NPI 1396794715. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 43309 US Hwy 19 N, Tarpon Springs, FL 34689 · Directions
  • Phone: (727) 943‑3111
  • Medicare: Accepts Medicare assignment
  • Group practice: St Lukes Cataract and Laser Institute
  • Optometry school: Pennsylvania College Of Optometry · graduated 2002 (24 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine S. Flynn, 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 Katherine S. Flynn accept Medicare assignment?
Yes. Medicare's clinician data says Katherine S. Flynn 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 Katherine S. Flynn see?
In 2024, CMS data shows 702 Original Medicare patients and 1,499 services for Katherine S. Flynn. This counts Original Medicare only and measures volume, not quality.
What is Katherine S. Flynn's NPI number?
1396794715. 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 Katherine S. Flynn, 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 patients702
Services billed to Medicare1,499
Different services or procedures18
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient complete exam of visual system (92014)422 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)240 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)202 services
  4. Imaging of retina (92134)179 services
  5. Imaging of optic nerve (92133)141 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%
  • Arthritis45%
  • Ischemic heart disease37%
  • Diabetes30%
  • Chronic kidney disease26%

Practice locations

Addresses where Katherine S. Flynn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine S. Flynn as a member of this group (CMS data updated October 2, 2026).

  • St Lukes Cataract and Laser Institute58 clinicians in the group

Specialties

Find other clinicians: Optometry, Florida →

Other optometrists in Tarpon Springs

Clinicians with the same Medicare primary specialty in Tarpon Springs, FL — not a recommendation.

All optometrists in Tarpon Springs →

Other clinicians in St Lukes Cataract and Laser Institute

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

Clinician information

CredentialOD
Optometry schoolPennsylvania College Of Optometry
Graduation year2002 (24 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396794715
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