XIXI ZHAO M.D.
NPI 1346621265
Pediatrics - Pediatric Nephrology in Palo Alto, CA
About Xixi Zhao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
XIXI ZHAO M.D. (NPI 1346621265) is an individual pediatric nephrology provider in Palo Alto, California, licensed in California (A161132) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
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
Xixi Zhao M.d. 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
6Medicare enrollment records show Xixi Zhao reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94609
- Reassigned Medicare billing, California enrollment
- 46 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Irvine, CA 92617
- Reassigned Medicare billing, California enrollment
- 118 clinicians in this Medicare group
Corpus Christi, TX 78411
- Reassigned Medicare billing, Texas enrollment
- 510 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PALO ALTO, CA 94304
PALO ALTO, CA 94304
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 Xixi Zhao's NPI number?
The NPI number for Xixi Zhao is 1346621265. It was assigned to this individual provider in the NPPES registry on June 16, 2015.
Where is Xixi Zhao located?
Xixi Zhao practices at 3801 Miranda Ave, Palo Alto, CA 94304. The listed phone number is (650) 614-9997.
What is Xixi Zhao's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.
Is Xixi Zhao enrolled in Medicare?
Yes. Xixi Zhao 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 Xixi Zhao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xixi Zhao reassigns Medicare benefits to 6 organizations: East Bay Nephrology Medical Group, Inc (Oakland, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Confermed Of California PC (Irvine, CA) and 1 more organization, listed in the Medicare section above. 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 Xixi Zhao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Xixi Zhao accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Xixi Zhao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Xixi Zhao was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Xixi Zhao, M.D. · NPI 1346621265
Pediatric Nephrology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since June 16, 2015.
## Identity
- **NPI:** 1346621265 (Entity type: Individual)
- **Enumerated:** June 16, 2015
- **Primary specialty:** Pediatrics - Pediatric Nephrology · taxonomy 2080P0210X
- **State license:** A161132 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3801 MIRANDA AVE, Palo Alto, CA 94304-1207
- **Phone:** (650) 614-9997
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): East Bay Nephrology Medical Group, Inc (NPI 1265527980, Oakland, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Confermed Of California PC (NPI 1316584709, Irvine, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1346621265) · Data from the CMS NPPES public registry.