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DR. KATHERINE ELLEN KOWALCZYK D.O.
NPI 1295997633
Obstetrics & Gynecology in Grand Rapids, MI

Active since June 26, 2008PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
100 MICHIGAN ST NE # MC027, GRAND RAPIDS, MI 49503(616) 391-2160 Get Directions Write a Review

NPPES record last updated: December 5, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 5, 2022, Feb 25, 2021 (2 updates tracked since 2021).

About Dr. Katherine Ellen Kowalczyk D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHERINE ELLEN KOWALCZYK D.O. (NPI 1295997633) is an individual obstetrics & gynecology provider in Grand Rapids, Michigan, licensed in Michigan (5101017587) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1295997633
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KATHERINE ELLEN KOWALCZYKCredential: D.O.
Location Address100 MICHIGAN ST NE # MC027Grand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Phone(616) 391-2160
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 26, 2008
Last NPPES UpdateDecember 5, 20222 updates tracked since enumeration
NPPES CertifiedDecember 5, 2022
✔ NPI 1295997633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MI · 5101017587
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
100 MICHIGAN ST NE # MC027, Grand Rapids, MI 49503
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Other Names 1

Former Name (1)Katherine Ellen Kahnoski

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Katherine Ellen Kowalczyk D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224271994
PECOS Enrollment IDI20130828000132
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAN MARGARET BUCHANAN CNM
Advanced Practice Midwife
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-2160
MICHELLE BACKUS COLWELL M.D.
Obstetrics & Gynecology
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-2160
LAUREL PATRICIA JESSUP CNM
Advanced Practice Midwife
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-2160
EMILY JANE QUINEY DNP, RN, FNP-BC
Nurse Practitioner (Family)
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-2160
MS. ERICKA LEE VANDER SYS CNM
Advanced Practice Midwife
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-1751
AMY JO KELLY NP
Nurse Practitioner (Family)
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-2160
ALI MOHSIN JAFFRY
Obstetrics & Gynecology
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-2160
KATHERYN ELISABETH CLARK CNM
Advanced Practice Midwife
100 MICHIGAN ST NE # MC027
GRAND RAPIDS, MI 49503
Kent County (616) 391-1751

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Kowalczyk's NPI number?

The NPI number for Katherine Kowalczyk is 1295997633. It was assigned to this individual provider in the NPPES registry on June 26, 2008. The provider is also known as Katherine Ellen Kahnoski.

Where is Katherine Kowalczyk located?

Katherine Kowalczyk practices at 100 Michigan St NE # Mc027, Grand Rapids, MI 49503. The listed phone number is (616) 391-2160.

What is Katherine Kowalczyk's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Katherine Kowalczyk enrolled in Medicare?

Yes. Katherine Kowalczyk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katherine Kowalczyk accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Katherine Kowalczyk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Katherine Kowalczyk affiliated with any hospitals?

According to CMS data, Katherine Kowalczyk is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Katherine Kowalczyk was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.