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Ophthalmology

Erik W. Niemi, DO

Works at hospitals in Rutland, VT · Bennington, VT · Vermont

Summary

Dr. Erik W. Niemi, DO is an ophthalmologist at 322 Dewey St, Bennington, VT 05201. Phone: (802) 447-8700. Accepts Medicare assignment. In 2024, Erik W. Niemi had 1,982 Original Medicare patients and 4,294 services. NPI 1194772491. 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 Erik W. Niemi, 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 Erik W. Niemi accept Medicare assignment?
Yes. Medicare's clinician data says Erik W. Niemi 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 Erik W. Niemi see?
In 2024, CMS data shows 1,982 Original Medicare patients and 4,294 services for Erik W. Niemi. This counts Original Medicare only and measures volume, not quality.
What is Erik W. Niemi's NPI number?
1194772491. 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 Erik W. Niemi, 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 patients1,982
Services billed to Medicare4,294
Different services or procedures39
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient complete exam of visual system (92014)1,463 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)589 services
  3. Imaging of optic nerve (92133)494 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)454 services
  5. Measurement of corneal curvature and depth of eye (92136)296 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 pressure65%
  • High cholesterol62%
  • Arthritis39%
  • Diabetes22%
  • Osteoporosis21%
  • Ischemic heart disease19%

Hospitals where Erik W. Niemi works

Medicare's Facility Affiliation Data lists Erik W. Niemi 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 Erik W. Niemi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erik W. Niemi as a member of this group (CMS data updated October 2, 2026).

  • Advanced Eyecare PC11 clinicians in the group

Specialties

Find other Ophthalmology doctors in Vermont →

Other ophthalmologists in Vermont

Clinicians with the same Medicare primary specialty in Vermont — not a recommendation.

All ophthalmologists in Vermont →

Other clinicians in Advanced Eyecare PC

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194772491
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