NPPES file of Aug 9, 2026

Tane Liu, M.D.

Nephrology Physician · Oxnard, CA

Tane Liu, M.D. is a nephrology physician with a practice address in Oxnard, California, and NPI 1588738991, issued on Nov 17, 2006. Check the license (California A67013, 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
1588738991
Name
Tane Liu
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A67013 CA
Self-reported in NPPES; status is on the state search
Practice location
1200 W Gonzales RD, Oxnard, CA 93036
Phone
(805) 278-9094
Enumerated
Nov 17, 2006
Record last updated
Jan 14, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(805) 278-8964
Medicaid ID
ZZZ75566Z CA
Medicare enrollment
Enrolled (PECOS I20110620000348); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 1200 W Gonzales RD

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

  1. Nicholas Bednarski, M.D.Nephrology Physician1457425860
  2. Frank Chieu, M.D.Nephrology Physician1235203647
  3. Ali Dana, M.D.Nephrology Physician1669561536
  4. Mariam Gyulnazaryan, PA-CPhysician Assistant1275316473
  5. Steven Ledesma, M.D.Nephrology Physician1386718799
  6. Koosha Mortazavi, M.D.Nephrology Physician1215966999

Verify Tane Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A67013
    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.

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23% more Medicare Part D claims than the average nephrology physician in 2024

1,798 Medicare Part D claims for 248 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Tane Liu1,798
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate174 claims
  2. Furosemide151 claims
  3. Hydralazine Hcl147 claims
  4. Calcium Acetate128 claims
  5. Valsartan108 claims
  6. Prednisone85 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. Vista Del Mar Medical Group IncOxnard, CA

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

Tane Liu among 1,468 nephrology physician records in California

Tane Liu, M.D. 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
  • Graduated1986 · median 2001 among the 1,128 with a school on file
  • Record last updated2010 · 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. Nicholas Bednarski, M.D.Oxnard, CA 930361457425860
  2. Frank Chieu, M.D.Oxnard, CA 930361235203647
  3. Ali Dana, M.D.Oxnard, CA 930361669561536
  4. Gregory Krastein, MDOxnard, CA 930361942358759
  5. Steven Ledesma, M.D.Oxnard, CA 930361386718799
  6. Hashim Mapara, MDOxnard, CA 930361306074927
  7. Koosha Mortazavi, M.D.Oxnard, CA 930361215966999
  8. Rajendra Niraula, MDOxnard, CA 930361922201003

Common questions

What is Tane Liu, M.D.'s NPI number?

Tane Liu, M.D.'s National Provider Identifier (NPI) is 1588738991, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tane Liu, M.D. located?

The NPPES record lists a practice address at 1200 W Gonzales RD, Oxnard, CA, 93036. Phone: (805) 278-9094. Providers update this record themselves, so call before visiting.

How can I verify Tane Liu, M.D.'s license?

NPPES lists California license number A67013, 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 Tane Liu, M.D. prescribe under Medicare Part D?

In 2024, Tane Liu, M.D. had 1,798 Medicare Part D claims for 248 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.