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Certified Registered Nurse Anesthetist (CRNA)

Steven Spencer

Works at hospitals in Geneva, IL · Illinois

Summary

Steven Spencer is a nurse anesthetist at 2475 Dean St, St Charles, IL 60175. Phone: (630) 584-9800. Accepts Medicare assignment. In 2024, Steven Spencer had 40 Original Medicare patients and 40 services. NPI 1700658531. 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: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 2475 Dean St, St Charles, IL 60175 · Directions (5 more locations)
  • Phone: (630) 584‑9800
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Medicine Delnor Community Hospital
  • Group practice: Northwestern Medical Faculty Foundation (+1 more)
  • School: University Of Missouri, Kansas City, School Of Medicine · graduated 2024
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven Spencer, 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 Steven Spencer accept Medicare assignment?
Yes. Medicare's clinician data says Steven Spencer 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 Steven Spencer see?
In 2024, CMS data shows 40 Original Medicare patients and 40 services for Steven Spencer. This counts Original Medicare only and measures volume, not quality.
What is Steven Spencer's NPI number?
1700658531. 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 Steven Spencer, 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 patients40
Services billed to Medicare40
Different services or procedures17
Participating Medicare providerYes
Average age of these patients74

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 cholesterol75%
  • High blood pressure70%
  • Arthritis48%
  • Ischemic heart disease43%
  • Heart failure30%
  • Depression28%

Hospitals where Steven Spencer works

Medicare's Facility Affiliation Data lists Steven Spencer 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 Steven Spencer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Steven Spencer as a member of these groups (CMS data updated October 2, 2026).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group
  • Apollo Medical Group of Illinois LLC23 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →

Other nurse anesthetists in St Charles

Clinicians with the same Medicare primary specialty in St Charles, IL — not a recommendation.

All nurse anesthetists in St Charles →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

SchoolUniversity Of Missouri, Kansas City, School Of Medicine
Graduation year2024
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700658531
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