XUN ZHOU MD
NPI 1073854030
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Palo Alto, CA
About Xun Zhou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
XUN ZHOU MD (NPI 1073854030) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Palo Alto, California, licensed in California (A172417) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and is a graduate of Johns Hopkins University School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
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
Xun Zhou 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
2Medicare enrollment records show Xun Zhou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 536 clinicians in this Medicare group
Chesaning, MI 48616
- Reassigned Medicare billing, Michigan enrollment
- 125 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Mary's Hospital
Acute Care Hospitals · Saginaw, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94304 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
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 Xun Zhou's NPI number?
The NPI number for Xun Zhou is 1073854030. It was assigned to this individual provider in the NPPES registry on March 14, 2013.
Where is Xun Zhou located?
Xun Zhou practices at 870 Quarry Rd Extension, Palo Alto, CA 94304. The listed phone number is (650) 723-5771.
What is Xun Zhou's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Xun Zhou enrolled in Medicare?
Yes. Xun Zhou 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 Xun Zhou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xun Zhou reassigns Medicare benefits to 2 organizations: Mymichigan Medical Center Midland (Midland, MI) and Mymichigan Medical Center Saginaw (Chesaning, MI). 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 Xun Zhou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Xun Zhou accept?
Health plans from McLaren Health Plan Community and Priority Health list Xun Zhou 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.
Is Xun Zhou affiliated with any hospitals?
According to CMS data, Xun Zhou is affiliated with Ascension St Mary's Hospital.
When was this NPI record last updated?
The NPPES record for Xun Zhou was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Xun Zhou, MD · NPI 1073854030
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since March 14, 2013.
## Identity
- **NPI:** 1073854030 (Entity type: Individual)
- **Enumerated:** March 14, 2013
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** A172417 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 870 QUARRY RD EXTENSION, Palo Alto, CA 94304
- **Phone:** (650) 723-5771
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mymichigan Medical Center Midland (NPI 1205889490, Midland, MI); Mymichigan Medical Center Saginaw (NPI 1427112101, Chesaning, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** July 21, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1073854030) · Data from the CMS NPPES public registry.