NPPES file of Aug 9, 2026

Josephine Jui-Yu Chiu, MD

Nephrology Physician · Los Angeles, CA

Josephine Jui-Yu Chiu, MD is a nephrology physician with a practice address in Los Angeles, California, and NPI 1003983982, issued on Nov 29, 2006. Check the license (California A67272, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003983982
Name
Josephine Jui-Yu Chiu
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A67272 CA
Self-reported in NPPES; status is on the state search
Practice location
6041 Cadillac Ave, Los Angeles, CA 90034
Phone
(323) 857-2000
Enumerated
Nov 29, 2006
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050413000822); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 6041 Cadillac Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Abedi, M.D.Emergency Medicine Physician1518320654
  2. Felicia Adiele, CNMAdvanced Practice Midwife1205984143
  3. Angeli Agatep, MDInternal Medicine Physician1194873067
  4. Roberto AguiluzRegistered Respiratory Therapist1184102675
  5. Jose Aguinada, DPTPhysical Therapist1356067151
  6. Blasius AgumPsychiatric/Mental Health Nurse Practitioner1063293207

Verify Josephine Jui-Yu Chiu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A67272
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

7% more Medicare Part D claims than the average nephrology physician in 2024

1,573 Medicare Part D claims for 265 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Josephine Chiu1,573
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate156 claims
  2. Losartan Potassium143 claims
  3. Furosemide107 claims
  4. Jardiance100 claims
  5. Lisinopril76 claims
  6. Terazosin Hcl75 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Josephine Jui-Yu Chiu among 1,468 nephrology physician records in California

Josephine Jui-Yu Chiu, MD is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 48% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1997 · median 2001 among the 1,128 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Mansoor Azim, M.D.Los Angeles, CA 900341942567540
  2. Solomon Bitew, MDLos Angeles, CA 900341619036217
  3. Seyed Farhad Chimeh, M.D.Los Angeles, CA 900341306820220
  4. Jingbo Huang, MDLos Angeles, CA 900341386955862
  5. Bui Khanh, MDLos Angeles, CA 900341952459919
  6. Gigi Le, MDLos Angeles, CA 900341780751701
  7. Bryan Ney, MDLos Angeles, CA 900341669549663
  8. Gerino Vicencio, MDLos Angeles, CA 900341265591911

Common questions

What is Josephine Jui-Yu Chiu, MD's NPI number?

Josephine Jui-Yu Chiu, MD's National Provider Identifier (NPI) is 1003983982, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Josephine Jui-Yu Chiu, MD located?

The NPPES record lists a practice address at 6041 Cadillac Ave, Los Angeles, CA, 90034. Phone: (323) 857-2000. Providers update this record themselves, so call before visiting.

How can I verify Josephine Jui-Yu Chiu, MD's license?

NPPES lists California license number A67272, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Josephine Jui-Yu Chiu, MD prescribe under Medicare Part D?

In 2024, Josephine Jui-Yu Chiu, MD had 1,573 Medicare Part D claims for 265 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.