Dr. Ruo P. Zhu, MD
- Medicare services, 2024
- 95
- Medicare patients, 2024
- 56
- Part D claims, 2024
- 27
- Publications
- 4
- MIPS score, 2024
- 85
- Practice address
- 4002 Vista Way, Oceanside, CA 92056
- Practice phone
- Call (760) 724-8411
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zhu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ruo P. Zhu is an internist in Oceanside, California
Dr. Zhu practices at Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare.
Dr. Zhu's NPI, 1407119019, was assigned on June 19, 2012. Dr. Zhu graduated from Stanford University School Of Medicine in 2011. Dr. Zhu's Alabama license number on file is MD.34565.
- NPI
- 1407119019NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012217326
- NPI enumeration date
- June 19, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 724-8411
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ruo P. Zhu practices at Sharp Tri-City Medical Center in Oceanside, California
Dr. Zhu's primary practice is Sharp Tri-City Medical Center, at 4002 Vista Way, Oceanside, CA 92056 in San Diego County. The practice phone is (760) 724-8411.
- Sharp Tri-City Medical Center4002 Vista Way, Oceanside, CA 92056 · San Diego CountyPhone(760) 724-8411
Source: Dmand AI Affiliation Data
Dr. Ruo P. Zhu is affiliated with 2 sites of care and 5 medical groups
Dr. Zhu's primary practice is Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare. Dr. Zhu is also affiliated with El Centro Regional Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Zhu to 4 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ruo P. Zhu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Tri-City Medical Center | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sharp HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ruo P. Zhu is one of 16,751 internists in California
Internal medicine is Dr. Zhu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zhu is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Zhu's licenses on file in 4 states: Alabama, California, Mississippi and Michigan.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
- California license
- Mississippi license
- Michigan license
Clinical focus
Dmand AI lists acute diabetes, bile duct problems, congestive heart failure, electrolyte disorders, gastrointestinal bleeding, liver disease, pneumonia and respiratory infection and urinary tract infection among the conditions Dr. Zhu treats.
Internists near Dr. Zhu
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ruo P. Zhu billed Medicare for 95 services in 2024
CMS data shows 95 Medicare services from Dr. Zhu across 4 procedure codes in 2024, for 56 Medicare patients. Medicare paid $7,693 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zhu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1362024: 9530%
Dr. Zhu compared with the California median for internists, 2024
- Dr. Zhu
- California median
- Medicare services
- 95vs 36174% below
- Medicare patients
- 56vs 15163% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Zhu's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Zhu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zhu and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ruo P. Zhu treated 56 Medicare patients in 2024, average age 78
CMS counts 56 Medicare patients who saw Dr. Zhu in 2024. The largest group is 75 to 84, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 80% are also on Medicaid. Their average risk score is 3.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zhu's median patient age at 77, with 48% women.
Dr. Zhu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zhu's Medicare patients by sex, 2024
- Women3155%
- Men2545%
Chronic conditions among Dr. Zhu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease71%
- Diabetes71%
- Ischemic heart disease63%
- Arthritis61%
- Heart failure61%
- Mood disorders48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zhu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women48%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ruo P. Zhu wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Zhu wrote 27 Medicare Part D claims for 13 patients. 93% of them were for generic drugs.
Dr. Zhu's Part D claims by kind of drug, 2024
- Generic25 claims93%
- Brand-name and other2 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ruo P. Zhu scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Zhu for performance year 2024, reported as part of a group. Dr. Zhu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zhu's MIPS scores, performance year 2024
- 85of 100Final score
- 71.1of 100Quality
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Ruo P. Zhu has 4 publications on record
Dmand AI links 4 papers to Dr. Zhu, published from 2010 to 2012. 2012 was the busiest year, with 2. The most frequent topics are Anticoagulants, Atrial Fibrillation and Cost-Benefit Analysis. Dr. Zhu's most frequent co-authors are James Van Rensselaer Hunt Freeman, MD, Alan Michael Garber, MD, PhD and Alan S. Go, MD.
Topics Dr. Zhu writes about most
- Anticoagulants
- Atrial Fibrillation
- Cost-Benefit Analysis
- Dabigatran
- Markov Chains
- Quality-Adjusted Life Years
- Stroke
- Warfarin
Dr. Zhu's most frequent co-authors
- James Van Rensselaer Hunt Freeman, MD2 shared papers
- Alan Michael Garber, MD, PhD2 shared papers
- Alan S. Go, MD2 shared papers
Recent publications by Dr. Zhu
Ann Intern Med
Circ Arrhythm Electrophysiol
See who Dr. Zhu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zhu works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ruo P. Zhu received $51 in industry payments from 2017 to 2019
CMS Open Payments shows 2 general payments to Dr. Zhu from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $38.
General payments to Dr. Zhu by program year, 2017 to 2019
Companies that paid Dr. Zhu the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ruo P. Zhu graduated from Stanford University School Of Medicine
Dr. Zhu graduated from Stanford University School Of Medicine in 2011.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ruo P. Zhu accepts plans from 5 insurance carriers
Dr. Zhu is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Zhu accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ruo P. Zhu's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ruo P. Zhu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ruo P. Zhu's NPI number?
Dr. Ruo P. Zhu's NPI number is 1407119019. It was assigned on June 19, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruo P. Zhu?
Dr. Ruo P. Zhu is an internist in Oceanside, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ruo P. Zhu practice?
Dr. Zhu practices at 4002 Vista Way, Oceanside, CA 92056. Dr. Zhu's primary practice is Sharp Tri-City Medical Center in Oceanside, California, part of Sharp HealthCare. Dmand AI also links Dr. Zhu to 4 medical groups.
What is Dr. Ruo P. Zhu's office phone number?
The practice phone on file for Dr. Zhu is (760) 724-8411.
What is Dr. Ruo P. Zhu's medical license number?
Dr. Zhu's Alabama license number on file is MD.34565, one of the licenses on file in 4 states.
Which states has Dr. Ruo P. Zhu been licensed in?
Dmand AI has state licenses on file for Dr. Zhu in Alabama (2015 to 2020), California (2018 to 2025), Mississippi (2016 to 2019) and Michigan (2012 to 2016).
Which hospitals is Dr. Ruo P. Zhu affiliated with?
Dr. Zhu practices at Sharp Tri-City Medical Center in Oceanside, California. Dr. Zhu is also affiliated with El Centro Regional Medical Center.
What medical group is Dr. Ruo P. Zhu part of?
Dr. Zhu is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Zhu to 4 more medical groups.
Does Dr. Ruo P. Zhu accept Medicare?
Yes. CMS data shows Dr. Zhu billed Medicare for 95 services in 2024, and Dr. Zhu accepts Medicare assignment.
What is Dr. Ruo P. Zhu's MIPS score?
Dr. Zhu's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Ruo P. Zhu see?
CMS counts 56 Medicare patients who saw Dr. Zhu in 2024, with an average age of 78.
Is Dr. Ruo P. Zhu board certified?
Yes. Dr. Zhu is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ruo P. Zhu bill to Medicare?
In 2024, Dr. Zhu's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Ruo P. Zhu go to medical school?
Dr. Zhu graduated from Stanford University School Of Medicine in 2011.
Has Dr. Ruo P. Zhu received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to Dr. Zhu from 2 companies from 2017 to 2019. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Ruo P. Zhu been practicing?
Dr. Zhu graduated from medical school in 2011, 15 years ago.
Does Dr. Ruo P. Zhu do research?
Dmand AI links 4 publications to Dr. Zhu, published from 2010 to 2012.
Who does Dr. Ruo P. Zhu publish with?
Dr. Zhu's most frequent co-authors are James Van Rensselaer Hunt Freeman, MD (2 shared papers), Alan Michael Garber, MD, PhD (2 shared papers) and Alan S. Go, MD (2 shared papers).
What insurance does Dr. Ruo P. Zhu accept?
Dr. Zhu is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card