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Optometry

Anna C. Aho, OD

Sees patients in Cokato, MN · Litchfield, MN · Annandale, MN · Minnesota

Summary

Dr. Anna C. Aho, OD is an optometrist at 115 Olsen Blvd NE, Suite 300, Cokato, MN 55321. Phone: (320) 286-5695. Accepts Medicare assignment. In 2024, Anna C. Aho had 161 Original Medicare patients and 739 services. NPI 1518537786. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Optometrist (Medicare lists Optometry)
  • Address: 115 Olsen Blvd NE, Suite 300, Cokato, MN 55321 · Directions (2 more locations)
  • Phone: (320) 286‑5695
  • Medicare: Accepts Medicare assignment
  • Group practice: Annandale Eye Clinic Inc (+1 more)
  • Optometry school: Pacific University - College Of Optometry · graduated 2021 (5 years since optometry school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Anna C. Aho, 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 Anna C. Aho accept Medicare assignment?
Yes. Medicare's clinician data says Anna C. Aho 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 Anna C. Aho see?
In 2024, CMS data shows 161 Original Medicare patients and 739 services for Anna C. Aho. This counts Original Medicare only and measures volume, not quality.
What is Anna C. Aho's NPI number?
1518537786. 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 Anna C. Aho, 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 patients161
Services billed to Medicare739
Different services or procedures17
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient complete exam of visual system (92014)101 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)46 services
  3. New patient complete exam of visual system (92004)31 services
  4. Imaging of retina (92134)27 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)26 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 cholesterol57%
  • High blood pressure53%
  • Depression28%
  • Anxiety28%
  • Arthritis27%
  • Diabetes26%

Practice locations

Addresses where Anna C. Aho is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna C. Aho as a member of these groups (CMS data updated October 2, 2026).

  • Annandale Eye Clinic Inc5 clinicians in the group
  • Cokato Eye Center, Inc4 clinicians in the group

Specialties

Find other clinicians: Optometry, Minnesota →

Other optometrists in Cokato

Clinicians with the same Medicare primary specialty in Cokato, MN — not a recommendation.

All optometrists in Cokato →

Other clinicians in Annandale Eye Clinic Inc

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

Clinician information

CredentialOD
Optometry schoolPacific University - College Of Optometry
Graduation year2021 (5 years since optometry school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518537786
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