Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Lorianne S. Andersen, MD

Works at hospitals in Sioux Falls, SD · Sioux Center, IA · South Dakota, Iowa

Summary

Dr. Lorianne S. Andersen, MD is a family doctor at 1101 9th St SE, Sioux Center, IA 51250. Phone: (712) 722-1271. Accepts Medicare assignment. In 2024, Lorianne S. Andersen had 27 Original Medicare patients and 84 services. NPI 1427279025. 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 Lorianne S. Andersen, 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 Lorianne S. Andersen accept Medicare assignment?
Yes. Medicare's clinician data says Lorianne S. Andersen 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 Lorianne S. Andersen see?
In 2024, CMS data shows 27 Original Medicare patients and 84 services for Lorianne S. Andersen. This counts Original Medicare only and measures volume, not quality.
What is Lorianne S. Andersen's NPI number?
1427279025. 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 Lorianne S. Andersen, 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 patients27
Services billed to Medicare84
Different services or procedures17
Participating Medicare providerYes
Average age of these patients82

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 cholesterol75%
  • Osteoporosis59%
  • Arthritis56%
  • Diabetes44%
  • Ischemic heart disease41%

Hospitals where Lorianne S. Andersen works

Medicare's Facility Affiliation Data lists Lorianne S. Andersen 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 Lorianne S. Andersen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lorianne S. Andersen as a member of this group (CMS data updated October 2, 2026).

  • Sioux Center Health36 clinicians in the group

Specialties

Find other Family Practice doctors in Iowa →

Other family doctors in Sioux Center

Clinicians with the same Medicare primary specialty in Sioux Center, IA — not a recommendation.

All family doctors in Sioux Center →

Other clinicians in Sioux Center Health

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 year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427279025
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