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KATHERINE MCCORMICK M.D
NPI 1093147241
Obstetrics & Gynecology in Muskegon, MI

Active since July 30, 2013PECOS EnrolledAccepts Medicare Assignment
1675 LEAHY ST STE 428, MUSKEGON, MI 49442(231) 672-3300(231) 672-3380 Get Directions Write a Review

NPPES record last updated: August 22, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 22, 2022, Aug 15, 2022, Mar 10, 2021 and 2 more (5 updates tracked since 2016).

About Katherine Mccormick M.d NPPES

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

KATHERINE MCCORMICK M.D (NPI 1093147241) is an individual obstetrics & gynecology provider in Muskegon, Michigan, licensed in Michigan (4301103902) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1093147241
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHERINE MCCORMICKCredential: M.D
Location Address1675 LEAHY ST STE 428Muskegon, MI 49442-5544
Mailing Address1675 Leahy St Ste 428Muskegon, MI 49442-5544 · (231) 672-3300 · Fax (231) 672-3380
Phone(231) 672-3300
Fax(231) 672-3380
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJuly 30, 2013
Last NPPES UpdateAugust 22, 20225 updates tracked since enumeration
NPPES CertifiedAugust 22, 2022
✔ NPI 1093147241 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 · 4301103902
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.
1675 LEAHY ST STE 428, Muskegon, MI 49442
Open in Google Maps ↗

Other Names 1

Former Name (1)Katherine Schoeman Md

Secondary Practice Locations 2

Location 1212 S Sullivan AveFremont, MI 49412-1548 · Phone (231) 924-1212
Location 21500 E Sherman Blvd Fl 4Muskegon, MI 49444-1849 · Phone (231) 672-6600 · Fax (231) 672-4695

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 Mccormick M.d 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 ID6901035872
PECOS Enrollment IDI20170720000836
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

5

Medicare enrollment records show Katherine Mccormick reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Health Partners - Physician Specialist
Same address
Internal Medicine
1675 LEAHY ST STE 324B
Muskegon, MI 49442
  • Reassigned Medicare billing, Michigan enrollment
  • 150 clinicians in this Medicare group
NPI 1922248772 (231) 672-8700
Mercy Health Partners-Obstetrics And Gynecology Specialist
Same address
Obstetrics & Gynecology
1675 LEAHY ST STE 428B
Muskegon, MI 49442
  • Reassigned Medicare billing, Michigan enrollment
  • 10 clinicians in this Medicare group
NPI 1215255799 (231) 672-3300
Newaygo County General Hospital Association
22 mi
Rural Health
212 S SULLIVAN AVE
Fremont, MI 49412
  • Reassigned Medicare billing, Michigan enrollment
  • 180 clinicians in this Medicare group
NPI 1609009554 (231) 924-1212
Mecosta County Medical Center
23 mi
Surgery
705 OAK ST
Big Rapids, MI 49307
  • Reassigned Medicare billing, Michigan enrollment
  • 151 clinicians in this Medicare group
NPI 1508146457 (231) 796-7607
Spectrum Health United
49 mi
Rural Health
1202 W OAK ST
Greenville, MI 48838
  • Reassigned Medicare billing, Michigan enrollment
  • 242 clinicians in this Medicare group
NPI 1538436852 (616) 754-2944

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services13 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services13 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Trinity Health Muskegon Hospital

Acute Care Hospitals · Muskegon, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230066
Location1500 E Sherman BlvdMuskegon, MI 49441 · Muskegon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49442 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

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

JENNIFER LYNN ANDERSEN WHNP-BC
Nurse Practitioner (Women's Health)
1675 LEAHY ST STE 428
MUSKEGON, MI 49442
Muskegon County (231) 672-3300

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 Mccormick's NPI number?

The NPI number for Katherine Mccormick is 1093147241. It was assigned to this individual provider in the NPPES registry on July 30, 2013. The provider is also known as Katherine Schoeman MD.

Where is Katherine Mccormick located?

Katherine Mccormick practices at 1675 Leahy St Ste 428, Muskegon, MI 49442. The listed phone number is (231) 672-3300.

What is Katherine Mccormick's specialty?

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

Is Katherine Mccormick enrolled in Medicare?

Yes. Katherine Mccormick 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 Mccormick's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mccormick reassigns Medicare benefits to 5 organizations: Mercy Health Partners - Physician Specialist (Muskegon, MI), Mercy Health Partners-Obstetrics And Gynecology Specialist (Muskegon, MI), Newaygo County General Hospital Association (Fremont, MI), Mecosta County Medical Center (Big Rapids, MI) and Spectrum Health United (Greenville, MI). 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 Mccormick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Mccormick 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 2 other insurers list Katherine Mccormick 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 Mccormick affiliated with any hospitals?

According to CMS data, Katherine Mccormick is affiliated with Trinity Health Muskegon Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Mccormick was last updated on August 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.