Katherine Grace Mackillop, DO
Obstetrics & Gynecology Physician · Trenton, MI
Katherine Grace Mackillop, DO is an obstetrics & gynecology physician with a practice address in Trenton, Michigan, and NPI 1225607120, issued on Jun 23, 2021. Check the license (Michigan 5151015293, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Katherine Grace Mackillop
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 5151015293 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5450 Fort St, Trenton, MI 48183
- Phone
- (508) 974-5803
- Enumerated
- Jun 23, 2021
- Record last updated
- Jun 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20251111002436); accepts Medicare assignment
- Medical or professional school
- University Of Pikeville, Kentucky College Of Osteopathic Med, 2021
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,776 in Michigan → Look up another NPI →
Also registered at 5450 Fort St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Grace Mackillop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5151015293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
18 Medicare Part D claims for 11 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $178.39
5 payments; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Dlp Western Carolina Physician Practices LLCSylva, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Grace Mackillop among 1,776 obstetrics & gynecology physician records in Michigan
Katherine Grace Mackillop, DO is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2021 · median 2007 among the 1,003 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 obstetrics & gynecology physician records list a practice address in Trenton
They are 18 of the 495 NPPES records with a practice address in Trenton, and 1,776 obstetrics & gynecology physician records in Michigan.
All 1,776 in Michigan → Every provider in Trenton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ahmad Al-Jerdi, D.O.Trenton, MI 481831023067063
- Louis Andary, MDBrownstown Twp, MI 481831528048477
- Habeeb Bello, D.OTrenton, MI 481831801209630
- Jerry Butto, DOTrenton, MI 481831871562165
- Stephanie Crain, D.O.Trenton, MI 481831851363105
- Angelique Ellison, D.O.Trenton, MI 481831154769214
- Max Izbicki, D.O.Trenton, MI 481831952535783
- Laura Myatt, DOTrenton, MI 481831790134062
Common questions
What is Katherine Grace Mackillop, DO's NPI number?
Katherine Grace Mackillop, DO's National Provider Identifier (NPI) is 1225607120, issued on Jun 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Grace Mackillop, DO located?
The NPPES record lists a practice address at 5450 Fort St, Trenton, MI, 48183. Phone: (508) 974-5803. Providers update this record themselves, so call before visiting.
How can I verify Katherine Grace Mackillop, DO's license?
NPPES lists Michigan license number 5151015293, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Grace Mackillop, DO prescribe under Medicare Part D?
In 2024, Katherine Grace Mackillop, DO had 18 Medicare Part D claims for 11 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.