DIANA XIN ZHOU MD
NPI 1871231159
Emergency Medicine in Memphis, TN
About Diana Xin Zhou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA XIN ZHOU MD (NPI 1871231159) is an individual emergency medicine provider in Memphis, Tennessee, licensed in Tennessee (71590) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with Methodist Hospitals Of Memphis, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Diana Xin 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
5Medicare enrollment records show Diana Zhou reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Memphis, TN 38104
- Reassigned Medicare billing, Tennessee enrollment
- 253 clinicians in this Medicare group
Memphis, TN 38116
- Reassigned Medicare billing, Tennessee enrollment
- 252 clinicians in this Medicare group
Memphis, TN 38128
- Reassigned Medicare billing, Tennessee enrollment
- 250 clinicians in this Medicare group
Germantown, TN 38138
- Reassigned Medicare billing, Tennessee enrollment
- 251 clinicians in this Medicare group
Seaman, OH 45679
- Reassigned Medicare billing, Ohio enrollment
- 894 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.
Methodist Hospitals Of Memphis
Acute Care Hospitals · Memphis, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Diana Zhou's NPI number?
The NPI number for Diana Zhou is 1871231159. It was assigned to this individual provider in the NPPES registry on May 25, 2022.
Where is Diana Zhou located?
Diana Zhou practices at 1835 Union Ave Apt 321, Memphis, TN 38104. The listed phone number is (901) 218-2988.
What is Diana Zhou's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Diana Zhou enrolled in Medicare?
Yes. Diana 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 Diana Zhou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Zhou reassigns Medicare benefits to 5 organizations: Methodist University Emergency Physicians PLLC (Memphis, TN), Methodist South Emergency Physicians, PLLC (Memphis, TN), Methodist North Emergency Physicians, PLLC (Memphis, TN), Germantown Emergency Physicians, PLLC (Germantown, TN) and Emergency Professional Services, Inc. (Seaman, OH). 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 Diana Zhou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Diana Zhou affiliated with any hospitals?
According to CMS data, Diana Zhou is affiliated with Methodist Hospitals Of Memphis.
When was this NPI record last updated?
The NPPES record for Diana Zhou was last updated on June 30, 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.
# Diana Xin Zhou, MD · NPI 1871231159
Emergency Medicine physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since May 25, 2022.
## Identity
- **NPI:** 1871231159 (Entity type: Individual)
- **Enumerated:** May 25, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 71590 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1835 UNION AVE APT 321, Memphis, TN 38104-3951
- **Phone:** (901) 218-2988
## 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): Methodist University Emergency Physicians PLLC (NPI 1023899291, Memphis, TN); Methodist South Emergency Physicians, PLLC (NPI 1609657873, Memphis, TN); Methodist North Emergency Physicians, PLLC (NPI 1801677083, Memphis, TN); Germantown Emergency Physicians, PLLC (NPI 1518747526, Germantown, TN); Emergency Professional Services, Inc. (NPI 1093762353, Seaman, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** June 30, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1871231159) · Data from the CMS NPPES public registry.