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Emergency Medicine

Joshua Korosac, DO

Works at hospitals in Lawrence, KS · Kansas

Summary

Dr. Joshua Korosac, DO is an emergency medicine doctor at 325 Maine St, Lawrence, KS 66044. Phone: (785) 505-5000. Accepts Medicare assignment. In 2024, Joshua Korosac had 464 Original Medicare patients and 509 services. NPI 1700106168. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 325 Maine St, Lawrence, KS 66044 · Directions
  • Phone: (785) 505‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: LMH
  • Group practice: Lawrence Emergency Medicine Associates, PA
  • Medical school: Oklahoma State University College Of Osteopathic Medicine · graduated 2010 (16 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Joshua Korosac, 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 Joshua Korosac accept Medicare assignment?
Yes. Medicare's clinician data says Joshua Korosac 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 Joshua Korosac see?
In 2024, CMS data shows 464 Original Medicare patients and 509 services for Joshua Korosac. This counts Original Medicare only and measures volume, not quality.
What is Joshua Korosac's NPI number?
1700106168. 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 Joshua Korosac, 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 patients464
Services billed to Medicare509
Different services or procedures19
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)336 services
  2. Emergency department visit with moderate level of medical decision making (99284)89 services
  3. Critical care, first 30-74 minutes (99291)62 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 cholesterol72%
  • Arthritis52%
  • Ischemic heart disease35%
  • Depression35%
  • Anxiety35%

Hospitals where Joshua Korosac works

Medicare's Facility Affiliation Data lists Joshua Korosac 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.

  • LMHLawrence, KS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 170137

Practice locations

Addresses where Joshua Korosac is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joshua Korosac as a member of this group (CMS data updated October 2, 2026).

  • Lawrence Emergency Medicine Associates, PA20 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Kansas →

Other emergency medicine doctors in Lawrence

Clinicians with the same Medicare primary specialty in Lawrence, KS — not a recommendation.

All emergency medicine doctors in Lawrence →

Other clinicians in Lawrence Emergency Medicine Associates, PA

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

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700106168
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