DR. MATTHEW RYAN BRIER MD
NPI 1689194730
Psychiatry & Neurology - Neurology in Saint Louis, MO
About Dr. Matthew Ryan Brier Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW RYAN BRIER MD (NPI 1689194730) is an individual neurology provider in Saint Louis, Missouri, licensed in Missouri (2020040167) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Washington University School Of Medicine (2017).
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. Matthew Ryan Brier 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 Brier 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
- 236 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Barnes Jewish Hospital
Acute Care Hospitals · Saint Louis, MOPhysician 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.
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 63110
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 Brier's NPI number?
The NPI number for Matthew Brier is 1689194730. It was assigned to this individual provider in the NPPES registry on June 20, 2017.
Where is Matthew Brier located?
Matthew Brier practices at 4921 Parkview Pl Div Neurology Multiple Sclerosis, 7th Fl, Saint Louis, MO 63110. The listed phone number is (314) 362-3293.
What is Matthew Brier's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Matthew Brier enrolled in Medicare?
Yes. Matthew Brier 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 Brier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Brier 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 Matthew Brier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Brier accept?
Health plans from Cox HealthPlans and UnitedHealthcare list Matthew Brier 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 Matthew Brier affiliated with any hospitals?
According to CMS data, Matthew Brier is affiliated with Barnes Jewish Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Brier was last updated on April 15, 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. Matthew Ryan Brier, MD · NPI 1689194730
Neurology physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 20, 2017.
## Identity
- **NPI:** 1689194730 (Entity type: Individual)
- **Enumerated:** June 20, 2017
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 2020040167 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4921 PARKVIEW PL, DIV NEUROLOGY MULTIPLE SCLEROSIS, 7TH FL, Saint Louis, MO 63110-1032
- **Phone:** (314) 362-3293 · **Fax:** (314) 747-1345
## 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 1356382527, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** April 15, 2025
- **Other identifiers:** Medicaid 200057700 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1689194730) · Data from the CMS NPPES public registry.