DR. AMY WEI WEI ZHOU MD
NPI 1831331990
Internal Medicine - Hematology in Saint Louis, MO
About Dr. Amy Wei Wei Zhou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMY WEI WEI ZHOU MD (NPI 1831331990) is an individual hematology provider in Saint Louis, Missouri, licensed in Missouri (2016007986) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Wayne State University School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Amy Wei Wei 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 Reassignment
Medicare enrollment records show Amy Zhou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 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 13
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Acute Care Hospitals · Belleville, ILBarnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOBarnes-Jewish West County Hospital
Acute Care Hospitals · Creve Coeur, MOBarnes-Jewish St Peters Hospital
Acute Care Hospitals · Saint Peters, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63108 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.
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.
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
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 Amy Zhou's NPI number?
The NPI number for Amy Zhou is 1831331990. It was assigned to this individual provider in the NPPES registry on April 3, 2009.
Where is Amy Zhou located?
Amy Zhou practices at 4500 Forest Park Ave Div Im Hematology, 6th Fl, Saint Louis, MO 63108. The listed phone number is (314) 362-7216.
What is Amy Zhou's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.
Is Amy Zhou enrolled in Medicare?
Yes. Amy 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 organization bills Medicare for Amy Zhou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Zhou reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 Amy Zhou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Zhou accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Amy 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 Amy Zhou affiliated with any hospitals?
According to CMS data, Amy Zhou is affiliated with Memorial Hospital, Barnes Jewish Hospital, Missouri Baptist Medical Center, Barnes-Jewish West County Hospital and Barnes-Jewish St Peters Hospital.
When was this NPI record last updated?
The NPPES record for Amy Zhou was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Amy Wei Wei Zhou, MD · NPI 1831331990
Hematology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since April 3, 2009.
## Identity
- **NPI:** 1831331990 (Entity type: Individual)
- **Enumerated:** April 3, 2009
- **Primary specialty:** Internal Medicine - Hematology · taxonomy 207RH0000X
- **State license:** 2016007986 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL, Saint Louis, MO 63108-2114
- **Phone:** (314) 362-7216 · **Fax:** (314) 696-1391
## 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:** Washington University (NPI 1992746903, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 200033177 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1831331990) · Data from the CMS NPPES public registry.