DR. KATHERINE GRACE MACKILLOP DO
NPI 1225607120
Obstetrics & Gynecology in Trenton, MI

Active since June 23, 2021PECOS EnrolledAccepts Medicare Assignment
5450 FORT ST, TRENTON, MI 48183(508) 974-5803 Get Directions Write a Review

NPPES record last updated: June 23, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Katherine Grace Mackillop Do NPPES

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

DR. KATHERINE GRACE MACKILLOP DO (NPI 1225607120) is an individual obstetrics & gynecology provider in Trenton, Michigan, licensed in Michigan (5151015293) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Harris Regional Hospital, and is a graduate of University Of Pikeville, Kentucky College Of Osteopathic Med (2021).

NPPES Registry Identity

NPI1225607120
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KATHERINE GRACE MACKILLOPCredential: DO
Location Address5450 FORT STTrenton, MI 48183-4601
Mailing Address5450 Fort StTrenton, MI 48183-4601
Sole ProprietorYes
Medical School CMSUniversity Of Pikeville, Kentucky College Of Osteopathic MedGraduated 2021
Enumeration DateJune 23, 2021
NPPES CertifiedJune 23, 2021
✔ NPI 1225607120 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 · 5151015293
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.
5450 FORT ST, Trenton, MI 48183

Accepted 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

Dr. Katherine Grace Mackillop Do 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 ID1456752500
PECOS Enrollment IDI20251111002436
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 Reassignment

Medicare enrollment records show Katherine Mackillop reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Diagnostic Radiology
262 LEROY GEORGE DR
Clyde, NC 28721
  • Reassigned Medicare billing, North Carolina enrollment
  • 456 clinicians in this Medicare group

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.

Harris Regional Hospital

Acute Care Hospitals · Sylva, NC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number340016
Location68 Hospital RdSylva, NC 28779 · Jackson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48183 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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.

Nurse Anesthetist, Certified Registered
5450 FORT ST
TRENTON, MI 48183
Nurse Anesthetist, Certified Registered
5450 FORT ST
TRENTON, MI 48183
Nurse Anesthetist, Certified Registered
5450 FORT ST
TRENTON, MI 48183
Emergency Medicine
5450 FORT ST
TRENTON, MI 48183
Nurse Anesthetist, Certified Registered
5450 FORT ST
TRENTON, MI 48183
Internal Medicine
5450 FORT ST
TRENTON, MI 48183
Emergency Medicine
5450 FORT ST
TRENTON, MI 48183
Pharmacist
5450 FORT ST
TRENTON, MI 48183

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 Mackillop's NPI number?

The NPI number for Katherine Mackillop is 1225607120. It was assigned to this individual provider in the NPPES registry on June 23, 2021.

Where is Katherine Mackillop located?

Katherine Mackillop practices at 5450 Fort St, Trenton, MI 48183. The listed phone number is (508) 974-5803.

What is Katherine Mackillop's specialty?

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

Is Katherine Mackillop enrolled in Medicare?

Yes. Katherine Mackillop 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 organization bills Medicare for Katherine Mackillop's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mackillop reassigns Medicare benefits to Dlp Western Carolina Physician Practices LLC (Clyde, NC). The 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 Mackillop's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Mackillop accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Cigna Healthcare and 1 other insurer list Katherine Mackillop 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 Mackillop affiliated with any hospitals?

According to CMS data, Katherine Mackillop is affiliated with Harris Regional Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Mackillop was last updated on June 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.