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Urology

Lauren W. Thum, MD

Works at hospitals in Marshall, MN · Sioux Falls, SD · Pipestone, MN · Minnesota, South Dakota

Summary

Dr. Lauren W. Thum, MD is a urologist at 201 W 69th St, Sioux Falls, SD 57108. Phone: (605) 336-0635. Accepts Medicare assignment. In 2024, Lauren W. Thum had 567 Original Medicare patients and 5,268 services. NPI 1780022921. 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 Lauren W. Thum, 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 Lauren W. Thum accept Medicare assignment?
Yes. Medicare's clinician data says Lauren W. Thum 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 Lauren W. Thum see?
In 2024, CMS data shows 567 Original Medicare patients and 5,268 services for Lauren W. Thum. This counts Original Medicare only and measures volume, not quality.
What is Lauren W. Thum's NPI number?
1780022921. 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 Lauren W. Thum, 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 patients567
Services billed to Medicare5,268
Different services or procedures94
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)2,260 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)394 services
  3. Manual urinalysis test with examination using microscope, automated (81001)367 services
  4. Ultrasound measurement of bladder capacity after voiding (51798)302 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)209 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 pressure72%
  • High cholesterol72%
  • Arthritis49%
  • Anxiety31%
  • Depression28%
  • Diabetes27%

Hospitals where Lauren W. Thum works

Medicare's Facility Affiliation Data lists Lauren W. Thum 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 Lauren W. Thum is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lauren W. Thum as a member of this group (CMS data updated October 2, 2026).

  • Urology Specialists Chartered47 clinicians in the group

Specialties

Find other Urology doctors in South Dakota →

Other urologists in Sioux Falls

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

All urologists in Sioux Falls →

Other clinicians in Urology Specialists Chartered

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780022921
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