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Emergency Medicine

Stephanie L. Van Alsten, MD

Works at hospitals in Kalamazoo, MI · Battle Creek, MI · Marshall, MI · Michigan

Summary

Dr. Stephanie L. Van Alsten, MD is an emergency medicine doctor at 200 N Madison St, Marshall, MI 49068. Phone: (269) 789-7125. Accepts Medicare assignment. In 2024, Stephanie L. Van Alsten had 218 Original Medicare patients and 341 services. NPI 1699235218. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 200 N Madison St, Marshall, MI 49068 · Directions (2 more locations)
  • Phone: (269) 789‑7125
  • Medicare: Accepts Medicare assignment
  • Hospitals: Borgess Medical Center, Bronson Battle Creek Hospital, Bronson Methodist Hospital and 1 more
  • Group practice: Southwestern Michigan Emergency Services, PC (+1 more)
  • Medical school: Western Michigan Un Homer Stryker School Of Med · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie L. Van Alsten, 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 Stephanie L. Van Alsten accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie L. Van Alsten 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 Stephanie L. Van Alsten see?
In 2024, CMS data shows 218 Original Medicare patients and 341 services for Stephanie L. Van Alsten. This counts Original Medicare only and measures volume, not quality.
What is Stephanie L. Van Alsten's NPI number?
1699235218. 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 Stephanie L. Van Alsten, 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 patients218
Services billed to Medicare341
Different services or procedures24
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)135 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)105 services
  3. Emergency department visit with moderate level of medical decision making (99284)52 services
  4. Critical care, first 30-74 minutes (99291)21 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 cholesterol70%
  • Arthritis55%
  • Anxiety46%
  • Depression41%
  • Ischemic heart disease39%

Hospitals where Stephanie L. Van Alsten works

Medicare's Facility Affiliation Data lists Stephanie L. Van Alsten 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 Stephanie L. Van Alsten is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephanie L. Van Alsten as a member of these groups (CMS data updated October 2, 2026).

  • Southwestern Michigan Emergency Services, PC71 clinicians in the group
  • Vituity-Michigan Health Services PC56 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Michigan →

Other emergency medicine doctors in Marshall

Clinicians with the same Medicare primary specialty in Marshall, MI — not a recommendation.

All emergency medicine doctors in Marshall →

Other clinicians in Southwestern Michigan Emergency Services, PC

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

Clinician information

CredentialMD
Medical schoolWestern Michigan Un Homer Stryker School Of Med
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699235218
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