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MRS. DENISE YVETTE O'NEIL
NPI 1184164865
Nurse Practitioner - Psychiatric/Mental Health in Chattanooga, TN

Active since March 01, 2017PECOS EnrolledAccepts Medicare Assignment
7161 LEE HWY STE 400, CHATTANOOGA, TN 37421(423) 708-8670(423) 708-8671 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 27, 2023, Mar 1, 2017 (2 updates tracked since 2017).

About Mrs. Denise Yvette O'neil NPPES

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

MRS. DENISE YVETTE O'NEIL (NPI 1184164865) is an individual psychiatric/mental health provider in Chattanooga, Tennessee, licensed in Tennessee (22141) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1184164865
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMRS. DENISE YVETTE O'NEIL
Location Address7161 LEE HWY STE 400Chattanooga, TN 37421-8604
Mailing Address7161 Lee Hwy Ste 400Chattanooga, TN 37421-8604 · (423) 834-2756
Phone(423) 708-8670
Fax(423) 708-8671
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 1, 2017
Last NPPES UpdateOctober 20, 20252 updates tracked since enumeration
NPPES CertifiedOctober 20, 2025
✔ NPI 1184164865 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
License✔ Licensed in TN · 22141
7161 LEE HWY STE 400, Chattanooga, TN 37421
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company 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

Mrs. Denise Yvette O'neil 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 ID4183958168
PECOS Enrollment IDI20190625001982
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 Denise O'neil reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

En LLC
2.1 mi
Urgent Care
1635 GUNBARREL RD STE 110
Chattanooga, TN 37421
  • Reassigned Medicare billing, Tennessee enrollment
  • 14 clinicians in this Medicare group
NPI 1770075582 (423) 541-5102
Erlanger Behavioral Health, LLC
6.9 mi
Psychiatric Hospital
804 NORTH HOLTZCLAW AVENUE
Chattanooga, TN 37404
  • Reassigned Medicare billing, Tennessee enrollment
  • 39 clinicians in this Medicare group
NPI 1306354790 (423) 498-4650

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 37421 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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 6

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

DANIELLE WADE, PLLC
Nurse Practitioner (Psychiatric/Mental Health)
7161 LEE HWY STE 400
CHATTANOOGA, TN 37421
Hamilton County (423) 708-8670
NPONTHEGO BY D ONEIL
Nurse Practitioner (Psychiatric/Mental Health)
7161 LEE HWY STE 400
CHATTANOOGA, TN 37421
Hamilton County (423) 708-8670
MRS. KIRSTEN J ANDREWS PA-C
Physician Assistant
7161 LEE HWY STE 400
CHATTANOOGA, TN 37421
Hamilton County (423) 708-8670
MRS. KATIE DANIELLE WADE MSN, APRN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
7161 LEE HWY STE 400
CHATTANOOGA, TN 37421
Hamilton County (423) 708-8670
DR. CASSANDRA GOINS SIMMS MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
7161 LEE HWY STE 400
CHATTANOOGA, TN 37421
Hamilton County (423) 708-8670
MRS. JENNIFER ASHLEY LAMBERT L.C.S.W
Social Worker (Clinical)
7161 LEE HWY STE 400
CHATTANOOGA, TN 37421
Hamilton County (423) 443-3336

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 Denise O'neil's NPI number?

The NPI number for Denise O'neil is 1184164865. It was assigned to this individual provider in the NPPES registry on March 1, 2017.

Where is Denise O'neil located?

Denise O'neil practices at 7161 Lee Hwy Ste 400, Chattanooga, TN 37421. The listed phone number is (423) 708-8670.

What is Denise O'neil's specialty?

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

Is Denise O'neil enrolled in Medicare?

Yes. Denise O'neil 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 Denise O'neil's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Denise O'neil reassigns Medicare benefits to 2 organizations: En LLC (Chattanooga, TN) and Erlanger Behavioral Health, LLC (Chattanooga, TN). 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 Denise O'neil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Denise O'neil accept?

Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company and UnitedHealthcare list Denise O'neil 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 Denise O'neil was last updated on October 20, 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.