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Internal Medicine

Kathryn M. Driza, DO

Sees patients in Grand Rapids, MI · Michigan

Summary

Dr. Kathryn M. Driza, DO is an internal medicine doctor at 100 Michigan Ave NE, Grand Rapids, MI 49503. Phone: (616) 391-1774. Accepts Medicare assignment. In 2024, Kathryn M. Driza had 39 Original Medicare patients and 85 services. NPI 1740625672. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 100 Michigan Ave NE, Grand Rapids, MI 49503 · Directions (1 more location)
  • Phone: (616) 391‑1774
  • Medicare: Accepts Medicare assignment
  • Group practice: Spectrum Health Hospitals
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kathryn M. Driza, 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 Kathryn M. Driza accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn M. Driza 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 Kathryn M. Driza see?
In 2024, CMS data shows 39 Original Medicare patients and 85 services for Kathryn M. Driza. This counts Original Medicare only and measures volume, not quality.
What is Kathryn M. Driza's NPI number?
1740625672. 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 Kathryn M. Driza, 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 patients39
Services billed to Medicare85
Different services or procedures14
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)33 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%
  • Arthritis67%
  • Chronic kidney disease46%
  • Heart failure44%
  • Ischemic heart disease41%

Practice locations

Addresses where Kathryn M. Driza is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kathryn M. Driza as a member of this group (CMS data updated October 2, 2026).

  • Spectrum Health Hospitals160 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Grand Rapids

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

All internal medicine doctors in Grand Rapids →

Other clinicians in Spectrum Health Hospitals

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

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740625672
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians