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Thoracic Surgery

Kathryn L. O'Keefe, MD

Works at hospitals in Cincinnati, OH · Oxford, OH · Ohio

Summary

Dr. Kathryn L. O'Keefe, MD is a thoracic surgeon at 10500 Montgomery Rd, Montgomery, OH 45242. Phone: (513) 204-6490. Accepts Medicare assignment. In 2024, Kathryn L. O'Keefe had 110 Original Medicare patients and 303 services. NPI 1407052723. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Kathryn L. O'Keefe, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Kathryn L. O'Keefe accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn L. O'Keefe accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Kathryn L. O'Keefe see?
In 2024, CMS data shows 110 Original Medicare patients and 303 services for Kathryn L. O'Keefe. This counts Original Medicare only and measures volume, not quality.
What is Kathryn L. O'Keefe's NPI number?
1407052723. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Kathryn L. O'Keefe, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients110
Services billed to Medicare303
Different services or procedures52
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)39 services
  2. Interpretation and report of ultrasound of heart (93314)26 services
  3. Harvest of vein using an endoscope (33508)24 services
  4. Coronary artery bypass using artery graft, 1 graft (33533)24 services
  5. Replacement of aortic valve through the skin and femoral artery (33361)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease75%
  • Heart failure60%
  • Atrial fibrillation60%
  • Arthritis43%

Hospitals where Kathryn L. O'Keefe works

Medicare's Facility Affiliation Data lists Kathryn L. O'Keefe at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Kathryn L. O'Keefe is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

  • 10500 Montgomery RdMontgomery, OH 45242
  • 10506 A Montgomery RdMontgomery, OH 45242
  • 375 Dixmyth AveCincinnati, OH 45220
  • 379 Dixmyth AveCincinnati, OH 45220
  • 6010 S Mason Montgomery RdMason, OH 45040

Group practices

Medicare enrollment lists Kathryn L. O'Keefe as a member of this group (CMS data updated October 2, 2026).

  • TriHealth H LLC850 clinicians in the group

Specialties

Find other Thoracic Surgery doctors in Ohio →

Other thoracic surgeons in Montgomery

Clinicians with the same Medicare primary specialty in Montgomery, OH — not a recommendation.

All thoracic surgeons in Montgomery →

Other clinicians in TriHealth H LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolToledo Medical College
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407052723
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians