Christian N. Kolacki, MD

Medicare activity in 2024

Official CMS public-use data for Christian N. Kolacki, 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.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)119 services
2. Emergency department visit with moderate level of medical decision making (99284)16 services
3. Critical care, first 30-74 minutes (99291)14 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 cholesterol69%
• Anxiety48%
• Arthritis46%
• Depression45%
• Diabetes42%

Hospitals where Christian N. Kolacki works

Medicare's Facility Affiliation Data lists Christian N. Kolacki 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.

• Corewell Health Gerber HospitalFremont, MI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 231338
• Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038

Practice locations

Addresses where Christian N. Kolacki is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Michigan Ave NEGrand Rapids, MI 49503 (616) 391‑1680

Group practices

Medicare enrollment lists Christian N. Kolacki as a member of this group (CMS data updated October 2, 2026).

• Ecs Western Michigan PC201 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Michigan →

Other emergency medicine doctors in Grand Rapids

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

• Trevor Cummings, MD
• Gleb G. Gendel, DO
• Randy L. Chilcote, DO
• Doraliz Stewart, MD
• Samuel B. Kluger
• Jessica Jawahir, MD
• Ryan Munsell, MD
• Steven R. Denhof, DO

All emergency medicine doctors in Grand Rapids →

Other clinicians in Ecs Western Michigan PC

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

• Trevor Cummings, MD
• Randy L. Chilcote, DO
• Brent J. Miller, NP
• Joshua D. Vanderlugt, MD
• Henry J. Higby
• Megan S. Courtley, MD

Clinician information

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