Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Orthopedic Surgery

Korey D. Partenheimer, DO

Works at hospitals in Saint Louis, MO · Fenton, MO · Missouri

Summary

Dr. Korey D. Partenheimer, DO is an orthopedic surgeon at 10101 Woodfield Ln, Saint Louis, MO 63132. Phone: (608) 280-4647. Accepts Medicare assignment. In 2024, Korey D. Partenheimer had 308 Original Medicare patients and 1,311 services. NPI 1528445152. 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 Korey D. Partenheimer, 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 Korey D. Partenheimer accept Medicare assignment?
Yes. Medicare's clinician data says Korey D. Partenheimer 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 Korey D. Partenheimer see?
In 2024, CMS data shows 308 Original Medicare patients and 1,311 services for Korey D. Partenheimer. This counts Original Medicare only and measures volume, not quality.
What is Korey D. Partenheimer's NPI number?
1528445152. 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 Korey D. Partenheimer, 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 patients308
Services billed to Medicare1,311
Different services or procedures29
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, dexamethasone sodium phosphate, 1 mg (J1100)432 services
  2. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)184 services
  3. Aspiration and/or injection of fluid from large joint (20610)171 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)155 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)120 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%
  • Arthritis75%
  • Diabetes30%
  • Ischemic heart disease29%
  • Depression29%

Hospitals where Korey D. Partenheimer works

Medicare's Facility Affiliation Data lists Korey D. Partenheimer 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 Korey D. Partenheimer is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Korey D. Partenheimer as a member of this group (CMS data updated October 2, 2026).

  • SSM Health Care Group940 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Missouri →

Other orthopedic surgeons in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All orthopedic surgeons in Saint Louis →

Other clinicians in SSM Health Care Group

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

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528445152
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