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Optometry

Carl J. Roth Iii, OD

Works at hospitals in Great Falls, MT · Montana

Summary

Dr. Carl J. Roth Iii, OD is an optometrist at 2800 11th Ave S, 14 David A Boes MD, Great Falls, MT 59405. Phone: (406) 455-2020. Accepts Medicare assignment. In 2024, Carl J. Roth Iii had 466 Original Medicare patients and 1,180 services. NPI 1174596738. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Carl J. Roth Iii, 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 Carl J. Roth Iii accept Medicare assignment?
Yes. Medicare's clinician data says Carl J. Roth Iii 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 Carl J. Roth Iii see?
In 2024, CMS data shows 466 Original Medicare patients and 1,180 services for Carl J. Roth Iii. This counts Original Medicare only and measures volume, not quality.
What is Carl J. Roth Iii's NPI number?
1174596738. 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 Carl J. Roth Iii, 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 patients466
Services billed to Medicare1,180
Different services or procedures18
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)478 services
  2. Imaging of optic nerve (92133)129 services
  3. Established patient complete exam of visual system (92014)124 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)116 services
  5. Exam of visual field with extended testing (92083)95 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 pressure71%
  • High cholesterol62%
  • Arthritis42%
  • Diabetes28%
  • Ischemic heart disease21%
  • Anxiety21%

Hospitals where Carl J. Roth Iii works

Medicare's Facility Affiliation Data lists Carl J. Roth Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Carl J. Roth Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carl J. Roth Iii as a member of this group (CMS data updated October 2, 2026).

  • Boes Eye Care3 clinicians in the group

Specialties

Find other clinicians: Optometry, Montana →

Other optometrists in Great Falls

Clinicians with the same Medicare primary specialty in Great Falls, MT — not a recommendation.

All optometrists in Great Falls →

Other clinicians in Boes Eye Care

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

Clinician information

CredentialOD
Optometry schoolPacific University - College Of Optometry
Graduation year1999 (27 years since optometry school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174596738
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians