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Family Practice

Kristine K. Wren, MD

Works at hospitals in Sioux Falls, SD · Aberdeen, SD · Redfield, SD … · South Dakota

Summary

Dr. Kristine K. Wren, MD is a family doctor at 1010 W 1st St, Redfield, SD 57469. Phone: (605) 472-0510. Accepts Medicare assignment. In 2024, Kristine K. Wren had 64 Original Medicare patients and 220 services. NPI 1639102841. 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 Kristine K. Wren, 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 Kristine K. Wren accept Medicare assignment?
Yes. Medicare's clinician data says Kristine K. Wren 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 Kristine K. Wren see?
In 2024, CMS data shows 64 Original Medicare patients and 220 services for Kristine K. Wren. This counts Original Medicare only and measures volume, not quality.
What is Kristine K. Wren's NPI number?
1639102841. 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 Kristine K. Wren, 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 patients64
Services billed to Medicare220
Different services or procedures11
Participating Medicare providerYes
Average age of these patients81

Most frequent services

  1. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)76 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)56 services
  3. Hospital discharge day management, more than 30 minutes (99239)40 services
  4. Admn sarscov2 vacc 1 dose (90480)11 services
  5. Sarscov2 vac 50 mcg/0.5ml im (91322)11 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 pressure75%
  • High cholesterol73%
  • Arthritis61%
  • Ischemic heart disease44%
  • Anxiety38%
  • Chronic kidney disease38%

Hospitals where Kristine K. Wren works

Medicare's Facility Affiliation Data lists Kristine K. Wren 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 Kristine K. Wren is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristine K. Wren as a member of this group (CMS data updated October 2, 2026).

  • City of Redfield12 clinicians in the group

Specialties

Find other Family Practice doctors in South Dakota →

Other family doctors in Redfield

Clinicians with the same Medicare primary specialty in Redfield, SD — not a recommendation.

All family doctors in Redfield →

Other clinicians in City of Redfield

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

Clinician information

CredentialMD
Medical schoolSanford School Of Medicine Of University Of South Dakota
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639102841
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