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Emergency Medicine

Marc R. Deshaies, MD

Works at hospitals in London, KY · Mount Sterling, KY · Kentucky

Summary

Dr. Marc R. Deshaies, MD is an emergency medicine doctor at 1221 S Broadway, Lexington, KY 40504. Phone: (859) 258-4000. Accepts Medicare assignment. In 2024, Marc R. Deshaies had 335 Original Medicare patients and 395 services. NPI 1255390373. 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: 1221 S Broadway, Lexington, KY 40504 · Directions (1 more location)
  • Phone: (859) 258‑4000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Saint Joseph London, Saint Joseph Mount Sterling
  • Group practice: Acs Primary Care Physicians - Southeast PC (+1 more)
  • Medical school: graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Marc R. Deshaies, 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 Marc R. Deshaies accept Medicare assignment?
Yes. Medicare's clinician data says Marc R. Deshaies 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 Marc R. Deshaies see?
In 2024, CMS data shows 335 Original Medicare patients and 395 services for Marc R. Deshaies. This counts Original Medicare only and measures volume, not quality.
What is Marc R. Deshaies's NPI number?
1255390373. 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 Marc R. Deshaies, 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 patients335
Services billed to Medicare395
Different services or procedures19
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)245 services
  2. Emergency department visit with moderate level of medical decision making (99284)87 services
  3. Critical care, first 30-74 minutes (99291)22 services
  4. Emergency department visit with low level of medical decision making (99283)12 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 cholesterol74%
  • Arthritis53%
  • Chronic kidney disease42%
  • Diabetes41%
  • Anxiety40%

Hospitals where Marc R. Deshaies works

Medicare's Facility Affiliation Data lists Marc R. Deshaies 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.

  • Saint Joseph LondonLondon, KY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 180011
  • Saint Joseph Mount SterlingMount Sterling, KY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 180064

Practice locations

Addresses where Marc R. Deshaies is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marc R. Deshaies as a member of these groups (CMS data updated October 2, 2026).

  • Acs Primary Care Physicians - Southeast PC420 clinicians in the group
  • New Lexington Clinic PSC332 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Kentucky →

Other emergency medicine doctors in Lexington

Clinicians with the same Medicare primary specialty in Lexington, KY — not a recommendation.

All emergency medicine doctors in Lexington →

Other clinicians in Acs Primary Care Physicians - Southeast PC

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

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255390373
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