DR. BRIENNA CELIS MILLESON MD
NPI 1336888643
Family Medicine in Alton, IL

Active since June 03, 2022PECOS EnrolledAccepts Medicare Assignment
1 MEMORIAL DR, ALTON, IL 62002(618) 463-7240(618) 463-7216 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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

NPI1336888643
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. BRIENNA CELIS MILLESONCredential: MD
Location Address1 MEMORIAL DRAlton, IL 62002-6722
Mailing AddressPo Box 959203Saint Louis, MO 63195-9203 · (618) 463-7240 · Fax (618) 463-7216
Fax(618) 463-7216
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2022
Enumeration DateJune 3, 2022
Last NPPES UpdateSeptember 17, 2025
NPPES CertifiedSeptember 17, 2025
NPI 1336888643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IL · 036176247
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1 MEMORIAL DR, Alton, IL 62002

Secondary Practice Locations 2

Location 12 Memorial Dr Ste 220Alton, IL 62002-6723 · Phone (618) 433-7901
Location 214700 E Old US Highway 12Chelsea, MI 48118-1185 · Phone (734) 475-1321 · Fax (734) 433-3151

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.

PECOS PAC ID1850772906
PECOS Enrollment IDI20250923000841
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140002
LocationOne Memorial DriveAlton, IL 62002 · Madison County
Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260180
Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County
Emergency services

Physician 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.

New Patient
$88.44 typical visit price
range $56.28 – $173.35
Typical copayment $22.11 (range $14.07 – $43.33)
Most-billed visit code 99203
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Anesthetist, Certified Registered
1 MEMORIAL DR
ALTON, IL 62002
Hospitalist
1 MEMORIAL DR
ALTON, IL 62002
Emergency Medicine
1 MEMORIAL DR
ALTON, IL 62002
Emergency Medicine
1 MEMORIAL DR
ALTON, IL 62002
Nurse Anesthetist, Certified Registered
1 MEMORIAL DR
ALTON, IL 62002
Social Worker (Clinical)
1 MEMORIAL DR, 2ND FLOOR, OLIN WING
ALTON, IL 62002
Pharmacy (Mail Order Pharmacy)
1 MEMORIAL DR
ALTON, IL 62002
Ambulance
1 MEMORIAL DR
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.