DR. BRIENNA CELIS MILLESON MD
NPI 1336888643
Family Medicine in Alton, IL
About Dr. Brienna Celis Milleson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRIENNA CELIS MILLESON MD (NPI 1336888643) is an individual family medicine provider in Alton, Illinois, licensed in Illinois (036176247) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Brienna Celis Milleson 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Alton Memorial Hospital
Acute Care Hospitals · Alton, ILChristian Hospital Northeast
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62002 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.
ALTON, IL 62002
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 Brienna Milleson's NPI number?
The NPI number for Brienna Milleson is 1336888643. It was assigned to this individual provider in the NPPES registry on June 3, 2022.
Where is Brienna Milleson located?
Brienna Milleson practices at 1 Memorial Dr, Alton, IL 62002. The listed phone number is (618) 463-7240.
What is Brienna Milleson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Brienna Milleson enrolled in Medicare?
Yes. Brienna Milleson 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.
Is Brienna Milleson affiliated with any hospitals?
According to CMS data, Brienna Milleson is affiliated with Alton Memorial Hospital and Christian Hospital Northeast.
When was this NPI record last updated?
The NPPES record for Brienna Milleson was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.