Registry data as of Aug 27, 2026

Paul Niu, M.D.

Nephrology Physician · Corona, CA

Paul Niu, M.D. is a nephrology physician with a practice address in Corona, California, and NPI 1952336216, issued on Jul 12, 2006. Check the license (California A46376, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1952336216
Name
Paul Niu
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A46376 CA
Self-reported in NPPES; status is on the state search
Practice location
2057 Compton Ave, Corona, CA 92881
Phone
(951) 736-6757
Enumerated
Jul 12, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2057 Compton Ave

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

  1. Robert Chang, M.D.Nephrology Physician1992894885

Verify Paul Niu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A46376
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

48% more Medicare Part D claims than the average nephrology physician in 2024

2,162 Medicare Part D claims for 244 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Paul Niu2,162
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate204 claims
  2. Furosemide132 claims
  3. Losartan Potassium108 claims
  4. Lokelma90 claims
  5. Hydralazine Hcl84 claims
  6. Prosol68 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.

Industry payments in 2024: $298.48

13 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Paul Niu$298.48
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Nephrology Associates Medical Group IncCorona, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

Other nephrology physician records in California

  1. Antoine Abcar, MDLos Angeles, CA1245301159
  2. Basmah Abdalla, M.D.Los Angeles, CA1629394002
  3. Omaran Abdeen, M.D.Mission Hills, CA1700878410
  4. Joseph Abdelmalek, M.DSan Diego, CA1740485531
  5. Lama Abdelnour, MDLos Angeles, CA1477817542
  6. Amir Abdi Pour, MDLoma Linda, CA1912187477
  7. Anas Abou-Ismail, MDPalm Springs, CA1598078784
  8. Graham Abra, M.D.Stanford, CA1760644678
  9. Sreedhar Adapa, M.D.Visalia, CA1881997872
  10. Gbemisola Adenuga, M.D.Los Angeles, CA1952464661

Common questions

What is Paul Niu, M.D.'s NPI number?

Paul Niu, M.D.'s National Provider Identifier (NPI) is 1952336216, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Paul Niu, M.D. located?

The NPPES record lists a practice address at 2057 Compton Ave, Corona, CA, 92881. Phone: (951) 736-6757. Providers update this record themselves, so call before visiting.

How can I verify Paul Niu, M.D.'s license?

NPPES lists California license number A46376, 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 Paul Niu, M.D. prescribe under Medicare Part D?

In 2024, Paul Niu, M.D. had 2,162 Medicare Part D claims for 244 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), loaded Aug 27, 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) 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 27, 2026.