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Obstetrics/Gynecology

Katrina M. Buyze

Works at hospitals in Grand Rapids, MI · Michigan

Summary

Katrina M. Buyze is an OB-GYN at 100 Michigan Ave NE, Grand Rapids, MI 49503. Phone: (616) 391-8470. Accepts Medicare assignment. NPI 1831728450. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 100 Michigan Ave NE, Grand Rapids, MI 49503 · Directions (2 more locations)
  • Phone: (616) 391‑8470
  • Medicare: Accepts Medicare assignment
  • Hospital: Spectrum Health
  • Group practice: Spectrum Health Primary Care Partners
  • Medical school: graduated 2020 (6 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Katrina M. Buyze, 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 Katrina M. Buyze accept Medicare assignment?
Yes. Medicare's clinician data says Katrina M. Buyze 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.
What is Katrina M. Buyze's NPI number?
1831728450. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katrina M. Buyze works

Medicare's Facility Affiliation Data lists Katrina M. Buyze 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 Katrina M. Buyze is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katrina M. Buyze 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 Obstetrics/Gynecology doctors in Michigan →

Other OB-GYNs in Grand Rapids

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

All OB-GYNs 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

Graduation year2020 (6 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1831728450
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians