BRIAN A SEECK MD
NPI 1689714289
Internal Medicine - Cardiovascular Disease in Washington, MO
About Brian A Seeck Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN A SEECK MD (NPI 1689714289) is an individual cardiovascular disease provider in Washington, Missouri, licensed in Missouri (2004007504) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Washington, and is a graduate of University Of Missouri, Columbia School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Brian A Seeck 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 Brian Seeck reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 120 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 31
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Washington
Acute Care Hospitals · Washington, MOHermann Area District Hospital
Critical Access Hospitals · Hermann, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WASHINGTON, MO 63090
WASHINGTON, MO 63090
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 Seeck's NPI number?
The NPI number for Brian Seeck is 1689714289. It was assigned to this individual provider in the NPPES registry on February 6, 2007.
Where is Brian Seeck located?
Brian Seeck practices at 901 Patients First Dr, Washington, MO 63090. The listed phone number is (636) 239-2711.
What is Brian Seeck's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Brian Seeck enrolled in Medicare?
Yes. Brian Seeck 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 Brian Seeck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Seeck reassigns Medicare benefits to Mercy Clinic Heart And Vascular, LLC (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 Brian Seeck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brian Seeck 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 3 other insurers list Brian Seeck 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 Brian Seeck affiliated with any hospitals?
According to CMS data, Brian Seeck is affiliated with Mercy Hospital Washington and Hermann Area District Hospital.
When was this NPI record last updated?
The NPPES record for Brian Seeck was last updated on January 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.