DR. BRIAN BUI D.O.
NPI 1699152249
Psychiatry & Neurology - Child & Adolescent Psychiatry in Saint Louis, MO
About Dr. Brian Bui D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIAN BUI D.O. (NPI 1699152249) is an individual child & adolescent psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2018018025) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
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
Dr. Brian Bui D.o. 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 Brian Bui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63139
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1801807847 (Missouri)
- 91 clinicians in this Medicare group
Cape Girardeau, MO 63703
- Reassigned Medicare billing, Missouri enrollment
- 19 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
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.
Other Providers at the Same Location NPPES 19
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
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 Brian Bui's NPI number?
The NPI number for Brian Bui is 1699152249. It was assigned to this individual provider in the NPPES registry on May 4, 2015.
Where is Brian Bui located?
Brian Bui practices at 4444 Forest Park Ave Ste 2600, Saint Louis, MO 63108. The listed phone number is (314) 286-1700.
What is Brian Bui's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Brian Bui enrolled in Medicare?
Yes. Brian Bui 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 Brian Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Bui reassigns Medicare benefits to 2 organizations: Bjc Behavioral Health (Saint Louis, MO) and Cape Girardeau Behavioral Health LLC (Cape Girardeau, MO). 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 Brian Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brian Bui accept?
Health plans from Medica list Brian Bui 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 Brian Bui was last updated on July 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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. Brian Bui, D.O. · NPI 1699152249
Child & Adolescent Psychiatry physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 4, 2015.
## Identity
- **NPI:** 1699152249 (Entity type: Individual)
- **Enumerated:** May 4, 2015
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** 2018018025 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4444 FOREST PARK AVE STE 2600, Saint Louis, MO 63108
- **Phone:** (314) 286-1700
## 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): Bjc Behavioral Health (NPI 1669485868, Saint Louis, MO); Cape Girardeau Behavioral Health LLC (NPI 1700485281, Cape Girardeau, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 17, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1699152249) · Data from the CMS NPPES public registry.