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KELLIE WASSON PMHNP-BC
NPI 1235957275
Nurse Practitioner - Psychiatric/Mental Health in Wentzville, MO

Active since September 30, 2024PECOS Enrolled
500 MEDICAL DR, WENTZVILLE, MO 63385(636) 327-1000 Get Directions Write a Review

NPPES record last updated: May 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 16, 2026, Nov 21, 2025, Jul 5, 2025 and 3 more (6 updates tracked since 2024).

About Kellie Wasson Pmhnp-bc NPPES

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

KELLIE WASSON PMHNP-BC (NPI 1235957275) is an individual psychiatric/mental health provider in Wentzville, Missouri, licensed in Missouri (2024040280) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1235957275
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameKELLIE WASSONCredential: PMHNP-BC
Location Address500 MEDICAL DRWentzville, MO 63385-3421
Mailing Address2 Cityplace Dr Fl 2Saint Louis, MO 63141-7390 · (314) 914-2717
Phone(636) 327-1000
Sole ProprietorNo
Enumeration DateSeptember 30, 2024
Last NPPES UpdateMay 16, 20266 updates tracked since enumeration
NPPES CertifiedMay 16, 2026
✔ NPI 1235957275 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 MO · 2024040280
Also ListedRegistered NurseTaxonomy 163W00000X · License 2019002386 (MO)
500 MEDICAL DR, Wentzville, MO 63385
Open in Google Maps ↗

Other Names 1

Former Name (1)Kellie Anton

Secondary Practice Location 1

Location 12 Cityplace Dr Fl 2Saint Louis, MO 63141-7390 · Phone (314) 914-2717 · Fax (314) 453-3080

Other Identifiers 1

Medicaid420150983MO

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 (PECOS)

Kellie Wasson 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

2

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

Aaa Psyche Care LLC
26 mi
Psychiatry
2 CITYPLACE DR FL 2
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 10 clinicians in this Medicare group
NPI 1760193619 (314) 914-2717
Ssm Health Care Group
37 mi
Internal Medicine
1225 SOUTH GRAND BLVD, 2L - DOOR 3,4
Saint Louis, MO 63104
  • Reassigned Medicare billing, Missouri enrollment
  • 1,294 clinicians in this Medicare group
NPI 1306589544 (314) 977-6100

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 63385 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 20

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

JESSICA MENSAH-RUFF LMSW
Social Worker (Clinical)
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (636) 327-1380
MRS. CHELSEA SMITHSON LMSW
Social Worker
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (314) 344-6700
SSMHEALTH
Psychiatric Hospital
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (636) 327-1157
MRS. DEBRA LYNN CATES MAC
Counselor (Mental Health)
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (314) 344-6700
MRS. KIMBERLY BUCHANAN LCSW
Social Worker (Clinical)
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (636) 327-1000
SUMMER LACOLE MOREFIELD
Counselor (Professional)
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (314) 344-6700
LEE H TURK MD
Internal Medicine
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (636) 327-1100
DR. JOSEPH H GATEWOOD MD
Emergency Medicine
500 MEDICAL DR
WENTZVILLE, MO 63385
St. Charles County (636) 327-1000

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 Kellie Wasson's NPI number?

The NPI number for Kellie Wasson is 1235957275. It was assigned to this individual provider in the NPPES registry on September 30, 2024. The provider is also known as Kellie Anton.

Where is Kellie Wasson located?

Kellie Wasson practices at 500 Medical Dr, Wentzville, MO 63385. The listed phone number is (636) 327-1000.

What is Kellie Wasson's specialty?

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

Is Kellie Wasson enrolled in Medicare?

Yes. Kellie Wasson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kellie Wasson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kellie Wasson reassigns Medicare benefits to 2 organizations: Aaa Psyche Care LLC (Saint Louis, MO) and Ssm Health Care Group (Saint Louis, MO). 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 Kellie Wasson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kellie Wasson 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 Kellie Wasson 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 Kellie Wasson was last updated on May 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.