NPPES file of Aug 9, 2026

Sijie Zheng, M.D.

Nephrology Physician · Oakland, CA

Sijie Zheng, M.D. is a nephrology physician with a practice address in Oakland, California, and NPI 1407061823, issued on May 11, 2007. Check the license (California A104155, 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
1407061823
Name
Sijie Zheng
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A104155 CA
Self-reported in NPPES; status is on the state search
Practice location
275 W Macarthur, Oakland, CA 94611
Phone
(510) 752-1000
Enumerated
May 11, 2007
Record last updated
Feb 11, 2022
Medicare enrollment
Enrolled (PECOS I20080922000225); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2001
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 275 W Macarthur

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

  1. Aalia Akber, MDPediatric Nephrology Physician1790050193
  2. Garrick Amgott-Kwan, MDNeurology Physician1295813061
  3. Terry Anderson, MDCardiovascular Disease Physician1912085705
  4. Richard Aptaker, DOPhysical Medicine & Rehabilitation Physician1962580761
  5. Leslie Aria, PHDHealth Psychologist1194879528
  6. Michele Arnold, MDAnesthesiology Physician1851525083

Verify Sijie Zheng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A104155
    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

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18% more Medicare Part D claims than the average nephrology physician in 2024

1,728 Medicare Part D claims for 290 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Sijie Zheng1,728
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium284 claims
  2. Jardiance218 claims
  3. Amlodipine Besylate108 claims
  4. Kerendia96 claims
  5. Furosemide89 claims
  6. Chlorthalidone62 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: $3,467.26

7 payments; by number, the most common kind was food and beverage; the largest payer was Calliditas Therapeutics US Inc. 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. Sijie Zheng$3,467.26
  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. Permanente Medical Group IncOakland, CA

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

Sijie Zheng among 1,468 nephrology physician records in California

Sijie Zheng, 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 2007, is newer than 52% of them.

  • NPI issued2007 · 52% of these records are older, 35% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2001 · median 2001 among the 1,128 with a school on file
  • Record last updated2022 · 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. Michael BernabaOakland, CA 946111568952356
  2. Yiann Chen, MDOakland, CA 946111891912689
  3. David Law, MDOakland, CA 946111235132580
  4. Sonny Nguyen, MDOakland, CA 946111588198204
  5. Uchenna NwosuOakland, CA 946111881199727
  6. Juan Ordonez, MDOakland, CA 946111720166507
  7. Guoping Xu, MDOakland, CA 946111932271681
  8. Yakuan Yvonne Chen, M.D.Oakland, CA 946091306959135

Common questions

What is Sijie Zheng, M.D.'s NPI number?

Sijie Zheng, M.D.'s National Provider Identifier (NPI) is 1407061823, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sijie Zheng, M.D. located?

The NPPES record lists a practice address at 275 W Macarthur, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.

How can I verify Sijie Zheng, M.D.'s license?

NPPES lists California license number A104155, 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 Sijie Zheng, M.D. prescribe under Medicare Part D?

In 2024, Sijie Zheng, M.D. had 1,728 Medicare Part D claims for 290 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.