RUO P. ZHU MD
NPI 1407119019
Internal Medicine in San Diego, CA
About Ruo P. Zhu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUO P. ZHU MD (NPI 1407119019) is an individual internal medicine provider in San Diego, California, licensed in California (A156147) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ruo P. Zhu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Ruo Zhu reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92108
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
Porterville, CA 93257
- Reassigned Medicare billing, California enrollment
- 159 clinicians in this Medicare group
Baton Rouge, LA 70816
- Reassigned Medicare billing, Alabama enrollment
- 229 clinicians in this Medicare group
Birmingham, AL 35205
- Reassigned Medicare billing, Alabama enrollment
- 263 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92134 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ruo Zhu's NPI number?
The NPI number for Ruo Zhu is 1407119019. It was assigned to this individual provider in the NPPES registry on June 19, 2012.
Where is Ruo Zhu located?
Ruo Zhu practices at 34800 Bob Wilson Dr (internal Medicine Dept), San Diego, CA 92134. The listed phone number is (619) 532-6400.
What is Ruo Zhu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ruo Zhu enrolled in Medicare?
Yes. Ruo Zhu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ruo Zhu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruo Zhu reassigns Medicare benefits to 5 organizations: Southern California Permanente Medical Group (San Diego, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA), 24 On Physicians Of California, PC (Porterville, CA), Hospital Medicine Associates LLC (Baton Rouge, LA) and Vincentian Physician Services LLC (Birmingham, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ruo Zhu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ruo Zhu was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ruo P. Zhu, MD · NPI 1407119019
Internal Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since June 19, 2012.
## Identity
- **NPI:** 1407119019 (Entity type: Individual)
- **Enumerated:** June 19, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A156147 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 34800 BOB WILSON DR (INTERNAL MEDICINE DEPT), San Diego, CA 92134-1601
- **Phone:** (619) 532-6400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1023425972, San Diego, CA); Hospitalist Medicine Physicians Of California, Inc (NPI 1184663965, Apple Valley, CA); 24 On Physicians Of California, PC (NPI 1730570565, Porterville, CA); Hospital Medicine Associates LLC (NPI 1093758781, Baton Rouge, LA); Vincentian Physician Services LLC (NPI 1851698310, Birmingham, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** March 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407119019) · Data from the CMS NPPES public registry.