MATTHEW LUI MD
NPI 1932725769
Internal Medicine in Saint Louis, MO
About Matthew Lui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW LUI MD (NPI 1932725769) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2020017212) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Saint Louis, and is a graduate of Washington University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Matthew Lui 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 Matthew Lui reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 15 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Matthew Lui's NPI number?
The NPI number for Matthew Lui is 1932725769. It was assigned to this individual provider in the NPPES registry on June 17, 2020.
Where is Matthew Lui located?
Matthew Lui practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. The listed phone number is (314) 362-5000.
What is Matthew Lui's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Lui enrolled in Medicare?
Yes. Matthew Lui 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 Matthew Lui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Lui reassigns Medicare benefits to Heart Health Specialists, LLC (Chesterfield, 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 Matthew Lui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Lui accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Matthew Lui 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 Matthew Lui was last updated on September 26, 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.
# Matthew Lui, MD · NPI 1932725769
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 17, 2020.
## Identity
- **NPI:** 1932725769 (Entity type: Individual)
- **Enumerated:** June 17, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2020017212 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110-1003
- **Phone:** (314) 362-5000
## 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:** Heart Health Specialists, LLC (NPI 1053756296, Chesterfield, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** September 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1932725769) · Data from the CMS NPPES public registry.