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Optometry

Kristen N. Kosir, OD

Sees patients in Fargo, ND · North Dakota

Summary

Dr. Kristen N. Kosir, OD is an optometrist at 3402 13th Ave S, Fargo, ND 58103. Phone: (701) 234-0939. Accepts Medicare assignment. In 2024, Kristen N. Kosir had 56 Original Medicare patients and 73 services. NPI 1205857943. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 3402 13th Ave S, Fargo, ND 58103 · Directions
  • Phone: (701) 234‑0939
  • Medicare: Accepts Medicare assignment
  • Group practice: 3-D Optical Inc
  • Optometry school: Pacific University - College Of Optometry · graduated 2005 (21 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristen N. Kosir, 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 Kristen N. Kosir accept Medicare assignment?
Yes. Medicare's clinician data says Kristen N. Kosir 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 Kristen N. Kosir see?
In 2024, CMS data shows 56 Original Medicare patients and 73 services for Kristen N. Kosir. This counts Original Medicare only and measures volume, not quality.
What is Kristen N. Kosir's NPI number?
1205857943. 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 Kristen N. Kosir, 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 patients56
Services billed to Medicare73
Different services or procedures8
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient complete exam of visual system (92014)34 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 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%
  • Diabetes36%
  • Arthritis32%
  • Chronic kidney disease25%
  • Depression20%

Practice locations

Addresses where Kristen N. Kosir is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristen N. Kosir as a member of this group (CMS data updated October 2, 2026).

  • 3-D Optical Inc3 clinicians in the group

Specialties

Find other clinicians: Optometry, North Dakota →

Other optometrists in Fargo

Clinicians with the same Medicare primary specialty in Fargo, ND — not a recommendation.

All optometrists in Fargo →

Other clinicians in 3-D Optical Inc

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

Clinician information

CredentialOD
Optometry schoolPacific University - College Of Optometry
Graduation year2005 (21 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205857943
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