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KATHERINE AIDAN LAY PMHNP
NPI 1386474120
Nurse Practitioner - Psychiatric/Mental Health in Alcoa, TN

Active since August 06, 2024PECOS Enrolled
255 E WATT ST, ALCOA, TN 37701(865) 273-1616(865) 273-1645 Get Directions Write a Review

NPPES record last updated: August 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Katherine Aidan Lay Pmhnp NPPES

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

KATHERINE AIDAN LAY PMHNP (NPI 1386474120) is an individual psychiatric/mental health provider in Alcoa, Tennessee, licensed in Tennessee (36551) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386474120
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameKATHERINE AIDAN LAYCredential: PMHNP
Location Address255 E WATT STAlcoa, TN 37701-2236
Mailing Address1923 Sulphur Springs RdMorristown, TN 37813-5654 · (423) 317-9344 · Fax (423) 714-2355
Phone(865) 273-1616
Fax(865) 273-1645
Sole ProprietorNo
Enumeration DateAugust 6, 2024
NPPES CertifiedAugust 6, 2024
✔ NPI 1386474120 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 · 36551
255 E WATT ST, Alcoa, TN 37701
Open in Google Maps ↗

Other Names 1

Former Name (1)Katherine Knox

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama 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)

Katherine Aidan Lay 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.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Lay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cherokee Health Systems
42 mi
Federally Qualified Health Center (FQHC)
6350 W ANDREW JOHNSON HWY
Talbott, TN 37877
  • Reassigned Medicare billing, Tennessee enrollment
  • 257 clinicians in this Medicare group
NPI 1134128820 (423) 587-7337

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 37701 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 20

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

JENNA HOPE POYNTER CNA
Nurse's Aide
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 273-1616
RACHEL LEANN ANDERSON M.A.
Case Manager/Care Coordinator
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 273-1616
LAURA DEANNA JONES
Nurse's Aide
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 273-1616
ANGELA GRACE JOHNSTON RN
Registered Nurse (Psychiatric/Mental Health)
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 273-1616
KATHERINE ELIZABETH WHITTINGTON MSN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 273-1616
CHEROKEE HEALTH SYSTEMS
Pharmacy (Community/Retail Pharmacy)
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 981-6864
GRACE ABIGAIL PARKER BA, BA
Student in an Organized Health Care Education/Training Program
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 273-1616
ISABELLA MARIE FLASK
Nurse's Aide
255 E WATT ST
ALCOA, TN 37701
Blount County (865) 273-1616

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 Katherine Lay's NPI number?

The NPI number for Katherine Lay is 1386474120. It was assigned to this individual provider in the NPPES registry on August 6, 2024. The provider is also known as Katherine Knox.

Where is Katherine Lay located?

Katherine Lay practices at 255 E Watt St, Alcoa, TN 37701. The listed phone number is (865) 273-1616.

What is Katherine Lay's specialty?

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

Is Katherine Lay enrolled in Medicare?

Yes. Katherine Lay is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Lay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Lay reassigns Medicare benefits to Cherokee Health Systems (Talbott, TN). The 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 Katherine Lay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Lay accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Katherine Lay 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 Katherine Lay was last updated on August 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.