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General Surgery

Amy R. Spencer, MD

Works at hospitals in Grand Rapids, MI · Michigan

Summary

Dr. Amy R. Spencer, MD is a general surgeon at 100 Michigan Ave NE, Grand Rapids, MI 49503. Phone: (616) 267-0115. Accepts Medicare assignment. In 2024, Amy R. Spencer had 17 Original Medicare patients and 88 services. NPI 1043489842. 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: General surgeon (Medicare lists General Surgery)
  • Address: 100 Michigan Ave NE, Grand Rapids, MI 49503 · Directions (2 more locations)
  • Phone: (616) 267‑0115
  • Medicare: Accepts Medicare assignment
  • Hospital: Spectrum Health
  • Group practice: Spectrum Health Primary Care Partners
  • Medical school: graduated 2006 (20 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Amy R. 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 Amy R. Spencer accept Medicare assignment?
Yes. Medicare's clinician data says Amy R. 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 Amy R. Spencer see?
In 2024, CMS data shows 17 Original Medicare patients and 88 services for Amy R. Spencer. This counts Original Medicare only and measures volume, not quality.
What is Amy R. Spencer's NPI number?
1043489842. 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 Amy R. 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 patients17
Services billed to Medicare88
Different services or procedures22
Participating Medicare providerYes
Average age of these patients71

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%

Hospitals where Amy R. Spencer works

Medicare's Facility Affiliation Data lists Amy R. 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.

  • Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038

Practice locations

Addresses where Amy R. Spencer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amy R. Spencer as a member of this group (CMS data updated October 2, 2026).

  • Spectrum Health Primary Care Partners2,294 clinicians in the group

Specialties

Find other General Surgery doctors in Michigan →

Other general surgeons in Grand Rapids

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

All general surgeons in Grand Rapids →

Other clinicians in Spectrum Health Primary Care Partners

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

Clinician information

CredentialMD
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043489842
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