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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.

REGAN MILLER
NPI 1164224366
Emergency Medicine in Saint Louis, MO

Active since March 26, 2025PECOS Enrolled
12533 CONWAY DOWNS DR, SAINT LOUIS, MO 63141(314) 303-6088 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 9, 2026, Sep 11, 2025, Jun 30, 2025 and 1 more (4 updates tracked since 2025).

About Regan Miller NPPES

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

REGAN MILLER (NPI 1164224366) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Illinois (125.086676) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164224366
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameREGAN MILLER
Location Address12533 CONWAY DOWNS DRSaint Louis, MO 63141-8104
Mailing Address12533 Conway Downs DrSaint Louis, MO 63141-8104 · (314) 303-6088
Phone(314) 303-6088
Sole ProprietorNo
Enumeration DateMarch 26, 2025
Last NPPES UpdateSeptember 9, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1164224366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 125.086676
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedInternal MedicineTaxonomy 207R00000X · License 125.086676 (IL)
12533 CONWAY DOWNS DR, Saint Louis, MO 63141
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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 63141 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.

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 Regan Miller's NPI number?

The NPI number for Regan Miller is 1164224366. It was assigned to this individual provider in the NPPES registry on March 26, 2025.

Where is Regan Miller located?

Regan Miller practices at 12533 Conway Downs Dr, Saint Louis, MO 63141. The listed phone number is (314) 303-6088.

What is Regan Miller's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Regan Miller enrolled in Medicare?

Yes. Regan Miller is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Regan Miller was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.