NPPES file of Aug 9, 2026

Ruo P. Zhu, MD

Internal Medicine Physician · San Diego, CA

Ruo P. Zhu, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1407119019, issued on Jun 19, 2012. Check the license (California A156147, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407119019
Name
Ruo Zhu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A156147 CA
MD.34565 AL
Self-reported in NPPES; status is on the state search
Practice location
34800 Bob Wilson Dr (internal Medicine Dept), San Diego, CA 92134
Phone
(619) 532-6400
Enumerated
Jun 19, 2012
Record last updated
Mar 25, 2025
Medicare enrollment
Enrolled (PECOS I20190607000889); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 2012
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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Verify Ruo 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 A156147
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

27 Medicare Part D claims for 13 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Ruo Zhu27
  2. Specialty average3,176

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 72.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score58.7
  2. Costout of 100 · 30%71.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activitiesnot scored

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. 24 ON Physicians OF California PCEl Centro, CA
  2. Hospitalist Medicine Physicians OF California IncOceanside, CA

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

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Ruo P. Zhu, MD's NPI number?

Ruo P. Zhu, MD's National Provider Identifier (NPI) is 1407119019, issued on Jun 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Ruo P. Zhu, MD located?

The NPPES record lists a practice address at 34800 Bob Wilson Dr (internal Medicine Dept), San Diego, CA, 92134. Phone: (619) 532-6400. Providers update this record themselves, so call before visiting.

How can I verify Ruo P. Zhu, MD's license?

NPPES lists California license number A156147, 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 Ruo P. Zhu, MD prescribe under Medicare Part D?

In 2024, Ruo P. Zhu, MD had 27 Medicare Part D claims for 13 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Ruo P. Zhu, MD's MIPS final score?

The 2023 MIPS final score is 72.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.