ALYSSA ANN FAIRCHILD CPNP-PC
NPI 1720610355
Nurse Practitioner - Pediatrics in O Fallon, MO

Q: What is Alyssa Fairchild's NPI number?

The NPI number for Alyssa Fairchild is 1720610355. It was assigned to this individual provider in the NPPES registry on February 11, 2020. The provider is also known as Alyssa Ann Faust Cpnp-Pc.

Q: What is Alyssa Fairchild's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Q: When was this NPI record last updated?

The NPPES record for Alyssa Fairchild was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 11, 2020PECOS Enrolled

300 WINDING WOODS DR STE 120, O FALLON, MO 63366(636) 978-7902 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 13, 2023, Feb 11, 2020 (2 updates tracked since 2020).

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About Alyssa Ann Fairchild Cpnp-pc NPPES

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

ALYSSA ANN FAIRCHILD CPNP-PC (NPI 1720610355) is an individual pediatrics provider in O Fallon, Missouri, licensed in Missouri (2016020031) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720610355

Entity TypeIndividualFemale

Primary Taxonomy363LP0200X

Provider Legal NameALYSSA ANN FAIRCHILDCredential: CPNP-PC

Location Address300 WINDING WOODS DR STE 120O Fallon, MO 63366-4772

Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (369) 787-9026

Phone(636) 978-7902

Sole ProprietorNo

Enumeration DateFebruary 11, 2020

Last NPPES UpdateJuly 31, 20252 updates tracked since enumeration

NPPES CertifiedJuly 31, 2025

✔ NPI 1720610355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0200X

License✔ Licensed in MO · 2016020031

Also ListedPediatricsTaxonomy 208000000X · License 2020004281 (MO)

300 WINDING WOODS DR STE 120, O Fallon, MO 63366

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Other Names 1

Former Name (1)Alyssa Ann Faust Cpnp-pc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alyssa Ann Fairchild Cpnp-pc 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 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

$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 2

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

JASMINE KAUR MD

Pediatrics

300 WINDING WOODS DR STE 120
O FALLON, MO 63366

St. Charles County (636) 978-7902

SARAH MARIE JACKSON DO

Family Medicine

300 WINDING WOODS DR STE 120
O FALLON, MO 63366

St. Charles County (636) 614-3280

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 Alyssa Fairchild's NPI number?

The NPI number for Alyssa Fairchild is 1720610355. It was assigned to this individual provider in the NPPES registry on February 11, 2020. The provider is also known as Alyssa Ann Faust Cpnp-Pc.

Where is Alyssa Fairchild located?

Alyssa Fairchild practices at 300 Winding Woods Dr Ste 120, O Fallon, MO 63366. The listed phone number is (636) 978-7902.

What is Alyssa Fairchild's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Alyssa Fairchild enrolled in Medicare?

Yes. Alyssa Fairchild is registered in the Medicare PECOS enrollment system.

What insurance does Alyssa Fairchild accept?

Health plans from Medica list Alyssa Fairchild 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 Alyssa Fairchild was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.