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Anesthesiology

Lisa S. Weaver, MD

Works at hospitals in Grand Rapids, MI · Michigan

Summary

Dr. Lisa S. Weaver, MD is an anesthesiologist at 1840 Wealthy St SE, Corewell Health Medical Group West, Grand Rapids, MI 49506. Phone: (616) 885-5000. Accepts Medicare assignment. In 2024, Lisa S. Weaver had 98 Original Medicare patients and 101 services. NPI 1588896054. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1840 Wealthy St SE, Corewell Health Medical Group West, Grand Rapids, MI 49506 · Directions (2 more locations)
  • Phone: (616) 885‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Spectrum Health
  • Group practice: Spectrum Health Primary Care Partners
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa S. Weaver, 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 Lisa S. Weaver accept Medicare assignment?
Yes. Medicare's clinician data says Lisa S. Weaver 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 Lisa S. Weaver see?
In 2024, CMS data shows 98 Original Medicare patients and 101 services for Lisa S. Weaver. This counts Original Medicare only and measures volume, not quality.
What is Lisa S. Weaver's NPI number?
1588896054. 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 Lisa S. Weaver, 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 patients98
Services billed to Medicare101
Different services or procedures26
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for procedure on eyelid (00103)20 services
  2. Anesthesia for lens surgery (00142)17 services
  3. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)15 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 cholesterol75%
  • Arthritis63%
  • Anxiety38%
  • Depression37%
  • Diabetes33%

Hospitals where Lisa S. Weaver works

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

Group practices

Medicare enrollment lists Lisa S. Weaver 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 Anesthesiology doctors in Michigan →

Other anesthesiologists in Grand Rapids

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

All anesthesiologists 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 year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588896054
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