James Darin Ries, OD

  • Marshall, MN
  • Optometrist
NPI1427064757PAC ID4587653357
Medicare patients, 2024
240
Part D claims, 2024
452
Hospital affiliations
1
Medical group
1
State license
1
Practice address
300 South Bruce Street, Marshall, MN 56258
Practice phone
Call (507) 537-9661
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Avera Marshall Regional Medical Center

Hospital · Marshall, Minnesota

See all 6 affiliations

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James Darin Ries is an optometrist in Marshall, Minnesota

James Ries practices at Avera Marshall Regional Medical Center in Marshall, Minnesota, part of Avera Health.

James Ries' NPI, 1427064757, was assigned on July 31, 2006. James Ries graduated from Pacific University - College of Optometry in 1996. James Ries holds Minnesota license 2670.

NPI and contact details
Medicare PAC ID
4587653357
NPI enumeration date
July 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(507) 537-9661
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

James Darin Ries practices at Avera Marshall Regional Medical Center in Marshall, Minnesota

James Ries' primary practice is Avera Marshall Regional Medical Center, at 300 South Bruce Street, Marshall, MN 56258 in Lyon County. The practice phone is (507) 537-9661.

Source: Dmand AI Affiliation Data

James Darin Ries is affiliated with 5 sites of care and 1 medical group

James Ries' primary practice is Avera Marshall Regional Medical Center in Marshall, Minnesota, part of Avera Health. The medical group on file is Avera Marshall Regional Medical Center. Dmand AI also links James Ries to 1 more breast imaging center, 1 group practice or clinic, 1 home health agency and 1 hospice, each named with a free account.

See all 6 affiliations for James Ries

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at James Darin Ries' practice

Dmand AI tracks the electronic health record (EHR) system at each site where James Ries practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Avera Marshall Regional Medical CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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James Darin Ries is one of 1,006 optometrists in Minnesota

Optometrist is James Ries' primary specialty in the NPI Registry, under taxonomy code 152W00000X. James Ries is licensed in Minnesota.

Specialties and state licenses

  • Optometrist, MinnesotaPrimaryLicense 2670 · taxonomy 152W00000X

Optometrists near James Ries

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

James Darin Ries treated 240 Medicare patients in 2024, average age 75

CMS counts 240 Medicare patients who saw James Ries in 2024. The largest group is 65 to 74, with 116 patients. 64% of them have high cholesterol, and 62% have high blood pressure. 11% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts James Ries' median patient age at 51, with 55% women.

Medicare patients, 2024240
Average age75
Average risk score0.95
Also on Medicaid11%

James Ries' Medicare patients by age, 2024

James Ries' Medicare patients by sex, 2024

  • Women11448%
  • Men12653%

Chronic conditions among James Ries' Medicare patients, 2024

  1. High cholesterol64%
  2. High blood pressure62%
  3. Arthritis35%
  4. Diabetes28%
  5. Ischemic heart disease22%
  6. Anxiety17%
  7. Chronic kidney disease16%
  8. Atrial fibrillation15%

Share of Medicare patients with each condition. A patient can have several.

James Ries' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

James Darin Ries wrote 452 Medicare Part D claims in 2024

In 2024, James Ries wrote 452 Medicare Part D claims for 95 patients. 67% of them were for generic drugs.

Part D claims, 2024452
Part D patients95

James Ries' Part D claims by kind of drug, 2024

  • Generic302 claims67%
  • Brand-name150 claims33%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How James Darin Ries takes part in Medicare

James Ries accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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James Darin Ries graduated from Pacific University - College of Optometry

James Ries graduated from Pacific University - College of Optometry in 1996.

  1. Medical schoolPacific University - College of Optometry

Source: Dmand AI Professional Profile Data

Sources for James Darin Ries's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about James Darin Ries

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is James Darin Ries' NPI number?

James Darin Ries' NPI number is 1427064757. It was assigned on July 31, 2006, and it is active in the NPI Registry.

What does James Darin Ries specialize in?

James Darin Ries is an optometrist in Marshall, Minnesota. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does James Darin Ries practice?

James Ries practices at 300 South Bruce Street, Marshall, MN 56258. James Ries' primary practice is Avera Marshall Regional Medical Center in Marshall, Minnesota, part of Avera Health. Dmand AI also links James Ries to 1 breast imaging center, 1 group practice or clinic, 1 home health agency and 1 hospice.

What is James Darin Ries' office phone number?

The practice phone on file for James Ries is (507) 537-9661.

What is James Darin Ries' medical license number?

James Ries holds Minnesota license 2670.

Which hospitals is James Darin Ries affiliated with?

James Ries practices at Avera Marshall Regional Medical Center in Marshall, Minnesota.

What medical group is James Darin Ries part of?

James Ries is linked to Avera Marshall Regional Medical Center.

Does James Darin Ries accept Medicare?

Yes. CMS lists James Ries as accepting Medicare assignment.

How many Medicare patients does James Darin Ries see?

CMS counts 240 Medicare patients who saw James Ries in 2024, with an average age of 75.

Where did James Darin Ries go to medical school?

James Ries graduated from Pacific University - College of Optometry in 1996.

How long has James Darin Ries been practicing?

James Ries graduated from medical school in 1996, 30 years ago.

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