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Anesthesiology

Youssef Y. Yassa, MD

Works at hospitals in Branson, MO · Springfield, MO · Missouri

Summary

Dr. Youssef Y. Yassa, MD is an anesthesiologist at 1229 E Seminole, 230 Mc Pulmonology Asc, Springfield, MO 65804. Phone: (417) 888-6711. Accepts Medicare assignment. In 2024, Youssef Y. Yassa had 208 Original Medicare patients and 210 services. NPI 1124163282. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1229 E Seminole, 230 Mc Pulmonology Asc, Springfield, MO 65804 · Directions (6 more locations)
  • Phone: (417) 888‑6711
  • Medicare: Accepts Medicare assignment
  • Hospitals: Cox Medical Center Branson, Mercy Hospital Springfield
  • Group practice: Mercy Clinic Springfield Communities
  • Medical school: Jc Edwards School Of Medicine, Marshall University · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Youssef Y. Yassa, 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 Youssef Y. Yassa accept Medicare assignment?
Yes. Medicare's clinician data says Youssef Y. Yassa 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 Youssef Y. Yassa see?
In 2024, CMS data shows 208 Original Medicare patients and 210 services for Youssef Y. Yassa. This counts Original Medicare only and measures volume, not quality.
What is Youssef Y. Yassa's NPI number?
1124163282. 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 Youssef Y. Yassa, 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 patients208
Services billed to Medicare210
Different services or procedures49
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for lens surgery (00142)53 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)25 services
  3. Anesthesia for other procedure on large bowel using an endoscope (00811)14 services
  4. Anesthesia for retinal surgery (00145)11 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%
  • Arthritis53%
  • Diabetes40%
  • Chronic kidney disease38%
  • Depression33%

Hospitals where Youssef Y. Yassa works

Medicare's Facility Affiliation Data lists Youssef Y. Yassa 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 Youssef Y. Yassa is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Youssef Y. Yassa as a member of this group (CMS data updated October 2, 2026).

  • Mercy Clinic Springfield Communities1,120 clinicians in the group

Specialties

Find other Anesthesiology doctors in Missouri →

Other anesthesiologists in Springfield

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

All anesthesiologists in Springfield →

Other clinicians in Mercy Clinic Springfield Communities

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

Clinician information

CredentialMD
Medical schoolJc Edwards School Of Medicine, Marshall University
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124163282
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