Doctor profile · Federal record

Dr. Katherine Kowalczyk, D.O.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Grand Rapids, MI

  • NPI 1295997633
  • Accepts Medicare
  • MIPS 77.2 / 100 · 2023
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Michigan St Ne # Mc027
Grand Rapids, MI 495032560
(616) 391-2160
Mailing address
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
December 5, 2022
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Michigan #5101017587

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295997633. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
CooperSurgical, Inc. 1 $19.72
Hologic Sales and Service, LLC 1 $17.25

By nature of payment

Food and Beverage
$37

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Kowalczyk's medical specialty?
Dr. Katherine Kowalczyk practices Obstetrics & Gynecology Physician in Grand Rapids, MI.
Where does Dr. Katherine Kowalczyk practice?
Dr. Katherine Kowalczyk practices at 100 Michigan St Ne # Mc027, Grand Rapids, MI 495032560. Office phone: 6163912160.
What is Dr. Katherine Kowalczyk's NPI?
Dr. Katherine Kowalczyk's National Provider Identifier (NPI) is 1295997633, issued by NPPES.
Does Dr. Katherine Kowalczyk accept Medicare assignment?
Yes. Dr. Katherine Kowalczyk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.