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KATHERINE MARY O'ROURKE MD
NPI 1366708869
Obstetrics & Gynecology in Grand Rapids, MI

Active since April 09, 2012PECOS EnrolledAccepts Medicare Assignment
221 MICHIGAN ST NE STE 600, GRAND RAPIDS, MI 49503(616) 774-7035 Get Directions Write a Review

NPPES record last updated: March 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 14, 2025, May 20, 2022, Oct 9, 2020 and 3 more (6 updates tracked since 2016).

About Katherine Mary O'rourke Md NPPES

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

KATHERINE MARY O'ROURKE MD (NPI 1366708869) is an individual obstetrics & gynecology provider in Grand Rapids, Michigan, licensed in Michigan (4301111430) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2012).

NPPES Registry Identity

NPI1366708869
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHERINE MARY O'ROURKECredential: MD
Location Address221 MICHIGAN ST NE STE 600Grand Rapids, MI 49503-2540
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Phone(616) 774-7035
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2012
Enumeration DateApril 9, 2012
Last NPPES UpdateMarch 14, 20256 updates tracked since enumeration
NPPES CertifiedMarch 14, 2025
✔ NPI 1366708869 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 · 4301111430
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.
221 MICHIGAN ST NE STE 600, Grand Rapids, MI 49503
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine Mary O'rourke Md 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 ID1052543261
PECOS Enrollment IDI20171010000552
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.

Medicare Billing Reassignments

6

Medicare enrollment records show Katherine O'rourke reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Spectrum Health Primary Care Partners
0.1 mi
Internal Medicine
100 MICHIGAN ST NE
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
NPI 1689499667 (616) 486-6790
Spectrum Health Hospitals
0.1 mi
Hospitalist
100 MICHIGAN ST NE, MC-907
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 405 clinicians in this Medicare group
NPI 1558407189 (616) 774-7377
Bronson Methodist Hospital
47 mi
Hospitalist
601 JOHN STREET
Kalamazoo, MI 49007
  • Reassigned Medicare billing, Michigan enrollment
  • 1,133 clinicians in this Medicare group
NPI 1417961137 (269) 341-7654
Bronson Battle Creek Hospital
48 mi
Internal Medicine
300 NORTH AVE
Battle Creek, MI 49017
  • Reassigned Medicare billing, Michigan enrollment
  • 557 clinicians in this Medicare group
NPI 1093119638 (269) 245-8000
Bronson South Haven Hospital
50 mi
Family Medicine
950 S BAILEY AVE
South Haven, MI 49090
  • Reassigned Medicare billing, Michigan enrollment
  • 190 clinicians in this Medicare group
NPI 1174749170 (269) 637-5271
Bronson Lakeview Hospital
53 mi
Critical Access
408 HAZEN ST
Paw Paw, MI 49079
  • Reassigned Medicare billing, Michigan enrollment
  • 43 clinicians in this Medicare group
NPI 1962508259 (269) 657-3141

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Other Providers at the Same Location NPPES 20

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

TISHANNA N FERGUSON MD
Obstetrics & Gynecology
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 774-7035
DR. BRITTANY ANN MERRIFIELD MD
Obstetrics & Gynecology
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 774-7035
DR. MICHAEL SHAWN WERKEMA M.D.
Obstetrics & Gynecology
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 774-7035
MADELINE ROSS MD
Obstetrics & Gynecology
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 267-5410
DR. ADRIENNE NOELLE BROWN M.D.
Obstetrics & Gynecology
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 774-7035
MS. KATHLEEN MARY HASCHER FNP-BC
Nurse Practitioner (Family)
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 774-7035
ELIZABETH JELINEK WHITE DO
Obstetrics & Gynecology
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 774-7035
DR. AMANDA MARIE MEULENBERG MD
Obstetrics & Gynecology
221 MICHIGAN ST NE STE 600
GRAND RAPIDS, MI 49503
Kent County (616) 774-7035

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 O'rourke's NPI number?

The NPI number for Katherine O'rourke is 1366708869. It was assigned to this individual provider in the NPPES registry on April 9, 2012.

Where is Katherine O'rourke located?

Katherine O'rourke practices at 221 Michigan St NE Ste 600, Grand Rapids, MI 49503. The listed phone number is (616) 774-7035.

What is Katherine O'rourke's specialty?

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

Is Katherine O'rourke enrolled in Medicare?

Yes. Katherine O'rourke 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.

Which organizations bill Medicare for Katherine O'rourke's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine O'rourke reassigns Medicare benefits to 6 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI), Spectrum Health Hospitals (Grand Rapids, MI), Bronson Methodist Hospital (Kalamazoo, MI), Bronson Battle Creek Hospital (Battle Creek, MI), Bronson South Haven Hospital (South Haven, MI) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine O'rourke's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine O'rourke accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Katherine O'rourke 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 O'rourke affiliated with any hospitals?

According to CMS data, Katherine O'rourke is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Katherine O'rourke was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.