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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JULIA BIAYI
NPI 1770441339
Nurse Practitioner - Family in Saint Charles, MO

Active since January 13, 2026PECOS Enrolled
1551 WALL ST, SAINT CHARLES, MO 63303(407) 306-8441 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 3, 2026, Jan 13, 2026 (2 updates tracked since 2026).

About Julia Biayi NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JULIA BIAYI (NPI 1770441339) is an individual family provider in Saint Charles, Missouri, licensed in Missouri (2025086355) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1770441339
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameJULIA BIAYI
Location Address1551 WALL STSaint Charles, MO 63303-3539
Mailing Address14400 Clayton RdBallwin, MO 63011-2713 · (636) 207-1137
Phone(407) 306-8441
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJanuary 13, 2026
Last NPPES UpdateAugust 3, 20262 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1770441339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in MO · 2025086355✔ Licensed in MO · F12250276
1551 WALL ST, Saint Charles, MO 63303
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julia Biayi is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476017351
PECOS Enrollment IDI20260711000116, I20260715000659
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63303 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANDREA LYNN MONTGOMERY PT
Physical Therapist
1551 WALL ST
SAINT CHARLES, MO 63303
St. Charles County (636) 947-1666
SHANNON HASELHORST
Physical Therapist
1551 WALL ST, SUITE 110
SAINT CHARLES, MO 63303
St. Charles County (636) 669-2345
LORI M HARTER NP
Nurse Practitioner
1551 WALL ST, SUITE 400
SAINT CHARLES, MO 63303
St. Charles County (636) 669-2350
TYLER NICHOLAS FORBES DPT
Physical Therapist
1551 WALL ST, SUITE 110
SAINT CHARLES, MO 63303
St. Charles County (636) 669-2345
DR. STEPHEN M COMENS M.D.
Internal Medicine (Cardiovascular Disease)
1551 WALL ST, 4TH FLOOR
SAINT CHARLES, MO 63303
St. Charles County (636) 669-2220
DR. NADIRA ADIL M.D.
Pediatrics
1551 WALL ST, 4TH FLOOR
SAINT CHARLES, MO 63303
St. Charles County (636) 669-2443
JOHN R CORNETT II N.P.
Nurse Practitioner (Adult Health)
1551 WALL ST, 4TH FLOOR
SAINT CHARLES, MO 63303
St. Charles County (636) 669-2220
DR. CHALENNA C. CASSELL PSY.D.
Psychologist (Clinical)
1551 WALL ST
SAINT CHARLES, MO 63303
St. Charles County (404) 769-2242

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 Julia Biayi's NPI number?

The NPI number for Julia Biayi is 1770441339. It was assigned to this individual provider in the NPPES registry on January 13, 2026.

Where is Julia Biayi located?

Julia Biayi practices at 1551 Wall St, Saint Charles, MO 63303. The listed phone number is (407) 306-8441.

What is Julia Biayi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Julia Biayi enrolled in Medicare?

Yes. Julia Biayi is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Julia Biayi was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.