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Optometry

James D. Ries, OD

Works at hospitals in Marshall, MN · Minnesota

Summary

James D. Ries, OD (Optometry) is listed by Medicare at 1 hospital in Marshall, MN. NPI 1427064757. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James D. Ries, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
Pacific University - College Of OptometryMedical school
MaleGender (as listed)
Avera MarshallGroup practice

Quick answers

Which hospitals does James D. Ries work at?
Medicare's official clinician data lists James D. Ries at 1 hospital: Avera Marshall Regional Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James D. Ries see patients?
Medicare's clinician data lists 4 practice locations, including Canby, MN, Marshall, MN and Dawson, MN. Call before your visit to confirm the address.
What is James D. Ries's specialty?
Medicare lists Optometry as the primary specialty.
Does James D. Ries accept Medicare assignment?
Yes. Medicare's clinician data says James D. Ries accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for James D. Ries?
(507) 223-5818, as listed in official Medicare / NPI Registry data.
What is James D. Ries's NPI number?
1427064757. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James D. Ries works

Medicare's Facility Affiliation Data lists James D. Ries at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James D. Ries is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James D. Ries as a member of this group (CMS data updated 2026-10-02).

  • Avera Marshall99 clinicians in the group

Specialties

Find other clinicians: Optometry, Minnesota →

Other optometrists in Minnesota

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

All optometrists in Minnesota →

Clinician information

CredentialOD
Medical schoolPacific University - College Of Optometry
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427064757
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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