NPPES file of Aug 9, 2026

Zejin Zhu, M.D.

Internal Medicine Physician · Los Angeles, CA

Zejin Zhu, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1881893592, issued on Jul 12, 2007. Check the license (California A101488, 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
1881893592
Name
Zejin Zhu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A101488 CA
Self-reported in NPPES; status is on the state search
Practice location
10833 LE Conte Ave, Los Angeles, CA 90095
Phone
(310) 794-1276
Enumerated
Jul 12, 2007
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
1881893592 CA
Medicare enrollment
Enrolled (PECOS I20140923001087); accepts Medicare assignment
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 10833 LE Conte Ave

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

  1. Kelechi Abanobi, M.DThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1720236953
  2. Afshan Abbasi, M.D.Neonatal-Perinatal Medicine Physician1831214428
  3. Pablo Abbona, MDDiagnostic Radiology Physician1689856239
  4. Amir Abu-Khalil, M.D.Surgery Physician1992095533
  5. Tara Aghaloo, DDS, MD, PHDOral & Maxillofacial Surgery (D.M.D.)1740464692
  6. Nitin Agrawal, MDInternal Medicine Physician1699394338

Verify Zejin Zhu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A101488
    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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41% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,874 Medicare Part D claims for 481 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 11 claims were for opioids.

  1. Zejin Zhu1,874
  2. Specialty average3,176

Most prescribed

  1. Methotrexate346 claims
  2. Prednisone335 claims
  3. Hydroxychloroquine Sulfate257 claims
  4. Leflunomide134 claims
  5. Sulfasalazine117 claims
  6. Amjevita(Cf) Autoinjector93 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 GroupSan Marcos, CA

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

Zejin Zhu among 17,696 internal medicine physician records in California

Zejin Zhu, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1996 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Ackerman, MDLos Angeles, CA 900951144225046
  2. Alice Agzarian, MDLos Angeles, CA 900951750314852
  3. Anita Agzarian, MDLos Angeles, CA 900951144254590
  4. Benjamin Ansell, MDLos Angeles, CA 900951770516882
  5. Arnold Brickman, MDLos Angeles, CA 900951447284906
  6. Arleen Brown, MDLos Angeles, CA 900951720013618
  7. Richard Buyalos, MDLos Angeles, CA 900951720012123
  8. Basit Chaudhry, MDLos Angeles, CA 900951992739460

Common questions

What is Zejin Zhu, M.D.'s NPI number?

Zejin Zhu, M.D.'s National Provider Identifier (NPI) is 1881893592, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Zejin Zhu, M.D. located?

The NPPES record lists a practice address at 10833 LE Conte Ave, Los Angeles, CA, 90095. Phone: (310) 794-1276. Providers update this record themselves, so call before visiting.

How can I verify Zejin Zhu, M.D.'s license?

NPPES lists California license number A101488, 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 Zejin Zhu, M.D. prescribe under Medicare Part D?

In 2024, Zejin Zhu, M.D. had 1,874 Medicare Part D claims for 481 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.