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MARY LISA WILLIAMS APRN
NPI 1356923189
Nurse Practitioner in Murfreesboro, TN

Active since April 21, 2021PECOS Enrolled
6187 JASPER JOHNSON RD, MURFREESBORO, TN 37127(615) 482-1001 Get Directions Write a Review

NPPES record last updated: April 21, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Lisa Williams Aprn NPPES

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

MARY LISA WILLIAMS APRN (NPI 1356923189) is an individual nurse practitioner in Murfreesboro, Tennessee, licensed in Tennessee (29401) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356923189
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY LISA WILLIAMSCredential: APRN
Location Address6187 JASPER JOHNSON RDMurfreesboro, TN 37127-8128
Mailing Address6187 Jasper Johnson RdMurfreesboro, TN 37127-8128 · (615) 482-1001
Phone(615) 482-1001
Sole ProprietorNo
Enumeration DateApril 21, 2021
NPPES CertifiedApril 21, 2021
✔ NPI 1356923189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in TN · 29401
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
6187 JASPER JOHNSON RD, Murfreesboro, TN 37127
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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)

Mary Lisa Williams Aprn 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 Mary Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Amg-Southern Tennessee LLC
25 mi
Rural Health
1940 N JACKSON ST STE 220
Tullahoma, TN 37388
  • Reassigned Medicare billing, Tennessee enrollment
  • 110 clinicians in this Medicare group
NPI 1619605607 (931) 455-4616

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 37127 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.

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 Mary Williams's NPI number?

The NPI number for Mary Williams is 1356923189. It was assigned to this individual provider in the NPPES registry on April 21, 2021.

Where is Mary Williams located?

Mary Williams practices at 6187 Jasper Johnson Rd, Murfreesboro, TN 37127. The listed phone number is (615) 482-1001.

What is Mary Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Williams enrolled in Medicare?

Yes. Mary Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Williams reassigns Medicare benefits to Amg-Southern Tennessee LLC (Tullahoma, 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 Mary Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Williams accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Mary Williams 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 Mary Williams was last updated on April 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.