DR. WILLY CHENG TSAI M.D.
NPI 1982636312
Internal Medicine - Nephrology in Greenville, SC

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment
13.72/100
CMS Quality Rating
203 MILLS AVE, GREENVILLE, SC 29605(864) 271-1844 Get Directions Write a Review

NPPES record last updated: June 21, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 21, 2023, Nov 21, 2022 (2 updates tracked since 2022).

About Dr. Willy Cheng Tsai M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLY CHENG TSAI M.D. (NPI 1982636312) is an individual nephrology provider in Greenville, South Carolina, licensed in Maryland (P15834) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with St Francis-downtown, and is a graduate of University Of Maryland School Of Medicine (2001).

NPPES Registry Identity

NPI1982636312
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. WILLY CHENG TSAICredential: M.D.
Location Address203 MILLS AVEGreenville, SC 29605-4019
Mailing Address223 Huddersfield DrSimpsonville, SC 29681-3703 · (410) 336-9495
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2001
Enumeration DateJuly 7, 2006
Last NPPES UpdateJune 21, 20232 updates tracked since enumeration
NPPES CertifiedJune 21, 2023
NPI 1982636312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in MD · P15834
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
203 MILLS AVE, Greenville, SC 29605

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Willy Cheng Tsai M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416950282
PECOS Enrollment IDI20060816000457
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
349 services260 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
343 services273 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
220 services83 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
120 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
113 services55 patients
Kidney function blood test panel 80069
A kidney function blood test panel checks how well your kidneys are working. It measures levels of various substances in your blood, including proteins, electrolytes, and waste products. The results can help detect potential kidney issues early.
109 services104 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Francis-Downtown

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420023
LocationOne St Francis DrGreenville, SC 29601 · Greenville County
Emergency services Birthing friendly

Prisma Health Hillcrest Hospital

Acute Care Hospitals · Simpsonville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420037
Location741 South East Main StreetSimpsonville, SC 29681 · Greenville County
Emergency services

Prisma Health Laurens County Hospital

Acute Care Hospitals · Clinton, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420038
Location22725 Highway 76 EastClinton, SC 29325 · Laurens County
Emergency services Birthing friendly

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420078
Location701 Grove RoadGreenville, SC 29605 · Greenville County
Birthing friendly

Prisma Health Patewood Hospital

Acute Care Hospitals · Greenville, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420102
Location175 Patewood DriveGreenville, SC 29615 · Greenville County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

13.72/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Promoting Interoperability0
Improvement Activities0
Cost45.74

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers28 claims2,895 services$0.29 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers17 claims2,550 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers21 claims3,600 services$0.16 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers15 claims2,460 services$0.95 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
4 suppliers34 claims34 services$17.24 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
4 suppliers47 claims52 services$11.86 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
203 MILLS AVE
GREENVILLE, SC 29605
Radiology (Diagnostic Radiology)
203 MILLS AVE
GREENVILLE, SC 29605
Internal Medicine (Nephrology)
203 MILLS AVE
GREENVILLE, SC 29605
Internal Medicine (Nephrology)
203 MILLS AVE
GREENVILLE, SC 29605
Nurse Practitioner (Gerontology)
203 MILLS AVE
GREENVILLE, SC 29605
Dietitian, Registered (Nutrition, Renal)
203 MILLS AVE
GREENVILLE, SC 29605
Nurse Practitioner (Adult Health)
203 MILLS AVE
GREENVILLE, SC 29605
Internal Medicine (Nephrology)
203 MILLS AVE
GREENVILLE, SC 29605

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Willy Tsai's NPI number?

The NPI number for Willy Tsai is 1982636312. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Willy Tsai located?

Willy Tsai practices at 203 Mills Ave, Greenville, SC 29605. The listed phone number is (864) 271-1844.

What is Willy Tsai's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Willy Tsai enrolled in Medicare?

Yes. Willy Tsai is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Willy Tsai accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina, First Choice Next and InStil Health list Willy Tsai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Willy Tsai affiliated with any hospitals?

According to CMS data, Willy Tsai is affiliated with St Francis-Downtown, Prisma Health Hillcrest Hospital, Prisma Health Laurens County Hospital, Prisma Health Greenville Memorial Hospital and Prisma Health Patewood Hospital.

When was this NPI record last updated?

The NPPES record for Willy Tsai was last updated on June 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.