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Internal Medicine

Willy C. Tsai, MD

Works at hospitals in Greenville, SC · Simpsonville, SC · Clinton, SC · South Carolina

Summary

Willy C. Tsai, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Greenville, SC, Simpsonville, SC and Clinton, SC. NPI 1982636312. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Willy C. Tsai, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
25Years since medical school (graduated 2001)
University Of Maryland School Of MedicineMedical school
MaleGender (as listed)
Carolina Nephrology PAGroup practice

Quick answers

Which hospitals does Willy C. Tsai work at?
Medicare's official clinician data lists Willy C. Tsai at 5 hospitals: Prisma Health Greenville Memorial Hospital, Prisma Health Hillcrest Hospital, Prisma Health Laurens County Hospital, Prisma Health Patewood Hospital and St Francis-Downtown. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Willy C. Tsai see patients?
Medicare's clinician data lists 7 practice locations, including Simpsonville, SC, Greenville, SC and Easley, SC. Call before your visit to confirm the address.
What is Willy C. Tsai's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Willy C. Tsai accept Medicare assignment?
Yes. Medicare's clinician data says Willy C. Tsai accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Willy C. Tsai offer telehealth?
Medicare's clinician data says Willy C. Tsai offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Willy C. Tsai?
(864) 962-1080, as listed in official Medicare / NPI Registry data.
What is Willy C. Tsai's NPI number?
1982636312. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Willy C. Tsai works

Medicare's Facility Affiliation Data lists Willy C. Tsai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Willy C. Tsai is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Willy C. Tsai as a member of this group (CMS data updated 2026-10-02).

  • Carolina Nephrology PA37 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Carolina →

Other internal medicine doctors in Simpsonville

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

All internal medicine doctors in Simpsonville →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1982636312
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians