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

Critical Care (Intensivists)

Sau Yin Wan, MD

Works at hospitals in Gaffney, SC · Spartanburg, SC · South Carolina

Summary

Dr. Sau Yin Wan, MD is a critical care doctor at 101 E Wood St, Spartanburg, SC 29303. Phone: (864) 560-6000. Accepts Medicare assignment. In 2024, Sau Yin Wan had 130 Original Medicare patients and 322 services. NPI 1831350271. 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 Sau Yin Wan, 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 Sau Yin Wan accept Medicare assignment?
Yes. Medicare's clinician data says Sau Yin Wan 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 Sau Yin Wan see?
In 2024, CMS data shows 130 Original Medicare patients and 322 services for Sau Yin Wan. This counts Original Medicare only and measures volume, not quality.
What is Sau Yin Wan's NPI number?
1831350271. 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 Sau Yin Wan, 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 patients130
Services billed to Medicare322
Different services or procedures14
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Critical care, first 30-74 minutes (99291)287 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%
  • Chronic kidney disease57%
  • Diabetes53%
  • Heart failure51%
  • Depression45%

Hospitals where Sau Yin Wan works

Medicare's Facility Affiliation Data lists Sau Yin Wan 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 Sau Yin Wan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sau Yin Wan as a member of this group (CMS data updated October 2, 2026).

  • Spartanburg Medical Center1,078 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in South Carolina →

Other critical care doctors in Spartanburg

Clinicians with the same Medicare primary specialty in Spartanburg, SC — not a recommendation.

All critical care doctors in Spartanburg →

Other clinicians in Spartanburg Medical Center

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831350271
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