Doctor profile · Federal record

Dr. Wen-Yuan Chiang, D.O.

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · South Gate, CA

  • NPI 1295753655
  • 29 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9844 Atlantic Ave, Suite #A
South Gate, CA 902805219
(310) 631-3502
fax (310) 631-5143
Mailing address
Po Box 3547
Cerritos, CA 907033547

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 28, 2016
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #20A8521

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295753655. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
544
Distinct HCPCS
3
Medicare allowed
$165,935
HCPCS Description Services Patients Avg allowed
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 335 42 $374
99214 Established patient office or other outpatient visit, 30-39 minutes 141 52 $139
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 68 30 $311

In context: peer comparison

Among 2 peers in this city , average services per provider: 434. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,842
Transactions
21
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 12 $2,616.93
Ardelyx, Inc. 6 $163.55
Vifor Pharma, Inc. 2 $44.07
OPKO Pharmaceuticals, LLC 1 $17.87

By nature of payment

Consulting Fee
$2,000
Food and Beverage
$617
Education
$210
Travel and Lodging
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
878
Patients
194
Total drug cost
$286,512
Drug Type Claims Patients Total cost
Clinolipid (Fat Emulsion/Olive/Soy/Phospho) Brand 142 0 $43,048
Sevelamer Carbonate Generic 131 35 $77,309
Amlodipine Besylate Generic 70 26 $962
Nifedipine Er (Nifedipine) Brand 62 22 $5,155
Calcitriol Generic 53 16 $2,489
Farxiga (Dapagliflozin Propanediol) Brand 51 17 $57,033
Kerendia (Finerenone) Brand 50 0 $57,923
Calcium Acetate Generic 49 18 $5,927
Losartan Potassium Generic 49 19 $866
Prosol (Parenteral Amino Acid 20% No.1) Brand 47 0 $10,289

Frequently asked questions

Auto-generated from federal data
What is Dr. Wen-Yuan Chiang's medical specialty?
Dr. Wen-Yuan Chiang practices Nephrology Physician in South Gate, CA.
Where does Dr. Wen-Yuan Chiang practice?
Dr. Wen-Yuan Chiang practices at 9844 Atlantic Ave, South Gate, CA 902805219. Office phone: 3106313502.
What is Dr. Wen-Yuan Chiang's NPI?
Dr. Wen-Yuan Chiang's National Provider Identifier (NPI) is 1295753655, issued by NPPES.
Does Dr. Wen-Yuan Chiang accept Medicare assignment?
Dr. Wen-Yuan Chiang does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Wen-Yuan Chiang commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961). Source: CMS Medicare Physician & Other Practitioners file.