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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.

SHANNON LOUANNE DUVALL PMHNP
NPI 1891639365
Nurse Practitioner - Psychiatric/Mental Health in Plano, TX

Active since April 16, 2026PECOS Enrolled
4825 ALLIANCE BLVD STE 150, PLANO, TX 75093(844) 824-8775(281) 648-2200 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Aug 11, 2026, Apr 16, 2026 (2 updates tracked since 2026).

About Shannon Louanne Duvall Pmhnp NPPES

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

SHANNON LOUANNE DUVALL PMHNP (NPI 1891639365) is an individual psychiatric/mental health provider in Plano, Texas, licensed in Texas (1202647) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891639365
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSHANNON LOUANNE DUVALLCredential: PMHNP
Location Address4825 ALLIANCE BLVD STE 150Plano, TX 75093-5577
Mailing Address4825 Alliance Blvd Ste 150Plano, TX 75093-5577 · (844) 824-8775 · Fax (281) 648-2200
Phone(844) 824-8775
Fax(281) 648-2200
Sole ProprietorNo
Enumeration DateApril 16, 2026
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1891639365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in TX · 1202647
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License 961262 (TX)
4825 ALLIANCE BLVD STE 150, Plano, TX 75093
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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)

Shannon Louanne Duvall Pmhnp 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 75093 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 20

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

LATREECE ROSS LPC
Counselor (Mental Health)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775
MS. MARICELA GALINDO MA, LPC
Counselor (Professional)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775
STACY LYNN TATE LPC
Counselor (Mental Health)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775
STACIE CHARISE HOPKINS LPC
Counselor (Professional)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775
DR. ASADULLAH AHMED M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775
SOLOMON KAUFMAN LPC
Counselor (Professional)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775
RENITA S. YOUNG LPC
Counselor (Mental Health)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775
CHERYLONDA RAMZY PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
4825 ALLIANCE BLVD STE 150
PLANO, TX 75093
Collin County (844) 824-8775

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 Shannon Duvall's NPI number?

The NPI number for Shannon Duvall is 1891639365. It was assigned to this individual provider in the NPPES registry on April 16, 2026.

Where is Shannon Duvall located?

Shannon Duvall practices at 4825 Alliance Blvd Ste 150, Plano, TX 75093. The listed phone number is (844) 824-8775.

What is Shannon Duvall's specialty?

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

Is Shannon Duvall enrolled in Medicare?

Yes. Shannon Duvall is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Shannon Duvall was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.