Quick answers
- Where does Katherine E. Kowalczyk see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Rapids, MI. Call before your visit to confirm the address.
- What is Katherine E. Kowalczyk's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Katherine E. Kowalczyk accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine E. Kowalczyk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Katherine E. Kowalczyk?
- (616) 391-1774, as listed in official Medicare / NPI Registry data.
- What is Katherine E. Kowalczyk's NPI number?
- 1295997633. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Katherine E. Kowalczyk is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Michigan Ave NEGrand Rapids, MI 49503 (616) 391‑1774
- 100 Michigan St Northeast, Corewell Health Grand Rapids HospitGrand Rapids, MI 49503 (616) 391‑1774
Group practices
Medicare enrollment lists Katherine E. Kowalczyk as a member of this group (CMS data updated 2026-10-02).
- Spectrum Health Hospitals160 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295997633 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians