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MRS. FARAH LYNN SHADDIX MSN, RN, PMHNP-BC
NPI 1912524059
Nurse Practitioner - Psychiatric/Mental Health in O Fallon, MO

Active since July 05, 2020PECOS Enrolled
401 CHURCH ST UNIT 791, O FALLON, MO 63366(636) 388-4170(636) 306-4267 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2026, Mar 6, 2026, Jun 4, 2025 and 2 more (5 updates tracked since 2020).

About Mrs. Farah Lynn Shaddix Msn, Rn, Pmhnp-bc NPPES

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

MRS. FARAH LYNN SHADDIX MSN, RN, PMHNP-BC (NPI 1912524059) is an individual psychiatric/mental health provider in O Fallon, Missouri, licensed in Missouri (2020019555) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912524059
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMRS. FARAH LYNN SHADDIXCredential: MSN, RN, PMHNP-BC
Location Address401 CHURCH ST UNIT 791O Fallon, MO 63366-6506
Mailing AddressPo Box 791O Fallon, MO 63366-0791 · (636) 388-4170 · Fax (636) 306-4267
Phone(636) 388-4170
Fax(636) 306-4267
Sole ProprietorNo
Enumeration DateJuly 5, 2020
Last NPPES UpdateApril 8, 20265 updates tracked since enumeration
NPPES CertifiedApril 8, 2026
✔ NPI 1912524059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in MO · 2020019555✔ Licensed in IL · 209024820✔ Licensed in NY · F408156✔ Licensed in AZ · 259430✔ Licensed in OR · 202114964NP-PP✔ Licensed in CA · 95039174✔ Licensed in KY · 3015935✔ Licensed in KS · 53-81140-101✔ Licensed in IA · G161807✔ Licensed in WA · AP61418023✔ Licensed in TX · 1097292
401 CHURCH ST UNIT 791, O Fallon, MO 63366
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, BridgeSpan Health Company, Medica 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 (PECOS)

Mrs. Farah Lynn Shaddix Msn, Rn, Pmhnp-bc 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Farah Shaddix reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Brightside Health, Inc.
1,718 mi
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, Missouri enrollment
  • 21 clinicians in this Medicare group
NPI 1073072658 (415) 360-3348
Brightside Medical, P.A.
1,718 mi
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Brightside Medical PA
  • 50 clinicians in this Medicare group
NPI 1609335660 (415) 360-3348
Brightside Medical, P.C.
1,718 mi
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Brightside Medical PC
  • 231 clinicians in this Medicare group
NPI 1801355482 (415) 360-3348

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
$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 Farah Shaddix's NPI number?

The NPI number for Farah Shaddix is 1912524059. It was assigned to this individual provider in the NPPES registry on July 5, 2020.

Where is Farah Shaddix located?

Farah Shaddix practices at 401 Church St Unit 791, O Fallon, MO 63366. The listed phone number is (636) 388-4170.

What is Farah Shaddix's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Farah Shaddix enrolled in Medicare?

Yes. Farah Shaddix is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Farah Shaddix's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Farah Shaddix reassigns Medicare benefits to 3 organizations: Brightside Health, Inc. (San Francisco, CA), Brightside Medical, P.A. (San Francisco, CA) and Brightside Medical, P.C. (San Francisco, CA). 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 Farah Shaddix's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Farah Shaddix accept?

Health plans from Blue Cross and Blue Shield of Texas, BridgeSpan Health Company, Medica, Regence BlueCross BlueShield of Oregon and UnitedHealthcare list Farah Shaddix 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 Farah Shaddix was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.