Doctor profile · Federal record

Dr. Josephine Chiu, MD

Nephrology Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1003983982
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6041 Cadillac Ave
Los Angeles, CA 900341702
(323) 857-2000

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 30, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A67272

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003983982. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
60
Distinct HCPCS
1
Medicare allowed
$4,991
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 60 25 $83

In context: peer comparison

Among 51 peers in Los Angeles Nephrology Physician, average services per provider: 251. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,143
Patients
471
Total drug cost
$79,960
Drug Type Claims Patients Total cost
Losartan Potassium Generic 166 64 $2,413
Amlodipine Besylate Generic 158 63 $2,160
Furosemide Generic 113 56 $1,680
Jardiance (Empagliflozin) Brand 101 32 $46,926
Terazosin Hcl Generic 92 37 $5,323
Lisinopril Generic 82 31 $1,041
Calcitriol Generic 62 25 $1,532
Hydrochlorothiazide Generic 60 24 $659
Hydralazine Hcl Generic 56 26 $1,400
Metoprolol Tartrate Generic 56 22 $775

Frequently asked questions

Auto-generated from federal data
What is Dr. Josephine Chiu's medical specialty?
Dr. Josephine Chiu practices Nephrology Physician in Los Angeles, CA.
Where does Dr. Josephine Chiu practice?
Dr. Josephine Chiu practices at 6041 Cadillac Ave, Los Angeles, CA 900341702. Office phone: 3238572000.
What is Dr. Josephine Chiu's NPI?
Dr. Josephine Chiu's National Provider Identifier (NPI) is 1003983982, issued by NPPES.
Does Dr. Josephine Chiu accept Medicare assignment?
Yes. Dr. Josephine Chiu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Josephine Chiu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.