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ALYSON MILLER LCSW
NPI 1417783184
Social Worker - Clinical in O Fallon, MO

Active since September 10, 2024PECOS EnrolledAccepts Medicare Assignment
105 CHURCH ST, O FALLON, MO 63366(636) 294-5787(636) 284-5788 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 12, 2026, Sep 10, 2024 (2 updates tracked since 2024).

About Alyson Miller Lcsw NPPES

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

ALYSON MILLER LCSW (NPI 1417783184) is an individual clinical provider in O Fallon, Missouri, licensed in Missouri (2024042086) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1417783184
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameALYSON MILLERCredential: LCSW
Location Address105 CHURCH STO Fallon, MO 63366-2894
Mailing Address105 Church StO Fallon, MO 63366-2894 · (636) 294-5787 · Fax (636) 284-5788
Phone(636) 294-5787
Fax(636) 284-5788
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateSeptember 10, 2024
Last NPPES UpdateMarch 12, 20262 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
✔ NPI 1417783184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MO · 2024042086
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
105 CHURCH ST, O Fallon, MO 63366
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.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

Alyson Miller Lcsw 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 ID2567990468
PECOS Enrollment IDI20250106002324
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Alyson Miller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Side By Side Wellness LLC
Same address
Clinical
105 CHURCH ST
O Fallon, MO 63366
  • Reassigned Medicare billing, Missouri enrollment
  • 4 clinicians in this Medicare group
NPI 1386112035 (636) 294-5787
Grow Healthcare Group PA
1,087 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Tennessee enrollment
  • 315 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63366 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
$0.00 typical visit price
range $55.65 – $169.38
Typical copayment $0.00 (range $13.91 – $42.34)
Most-billed visit code NA
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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 7

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

CLARE BISHOP LCSW
Social Worker (Clinical)
105 CHURCH ST
O FALLON, MO 63366
St. Charles County (636) 294-5787
HANNA MOELLENHOFF LCSW
Social Worker (Clinical)
105 CHURCH ST
O FALLON, MO 63366
St. Charles County (636) 294-5787
HEATHER ST. PETER LCSW
Social Worker (Clinical)
105 CHURCH ST
O FALLON, MO 63366
St. Charles County (636) 294-5787
SIDE BY SIDE WELLNESS LLC
Social Worker (Clinical)
105 CHURCH ST
O FALLON, MO 63366
St. Charles County (636) 294-5787
NICOLE PONDROM LMSW
Social Worker
105 CHURCH ST
O FALLON, MO 63366
St. Charles County (636) 294-5787
KATIE KESSLER LCSW
Social Worker (Clinical)
105 CHURCH ST
O FALLON, MO 63366
St. Charles County (636) 294-5787
DREW ELIZABETH ADAMS PLPC
Counselor (Professional)
105 CHURCH ST
O FALLON, MO 63366
St. Charles County (636) 294-5787

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 Alyson Miller's NPI number?

The NPI number for Alyson Miller is 1417783184. It was assigned to this individual provider in the NPPES registry on September 10, 2024.

Where is Alyson Miller located?

Alyson Miller practices at 105 Church St, O Fallon, MO 63366. The listed phone number is (636) 294-5787.

What is Alyson Miller's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Alyson Miller enrolled in Medicare?

Yes. Alyson Miller 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 organizations bill Medicare for Alyson Miller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyson Miller reassigns Medicare benefits to 2 organizations: Side By Side Wellness LLC (O Fallon, MO) and Grow Healthcare Group PA (Miami, FL). Each 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 Alyson Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alyson Miller 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 5 other insurers list Alyson Miller 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.

When was this NPI record last updated?

The NPPES record for Alyson Miller was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.