MARGARET HEFFERNAN BONIFACIO
NPI 1487096376
Nurse Practitioner - Psychiatric/Mental Health in Maryville, TN

Q: What is Margaret Heffernan Bonifacio's NPI number?

The NPI number for Margaret Heffernan Bonifacio is 1487096376. It was assigned to this organization in the NPPES registry on July 22, 2013. The provider is doing business as Bonifacio Mental Health.

Q: What is Margaret Heffernan Bonifacio's specialty?

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

Active since July 22, 2013

307 N 5TH ST, MARYVILLE, TN 37804(865) 246-2104(865) 246-2106 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2026, Mar 10, 2026, Apr 12, 2019 (3 updates tracked since 2019).

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About Margaret Heffernan Bonifacio NPPES

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

MARGARET HEFFERNAN BONIFACIO (NPI 1487096376), doing business as Bonifacio Mental Health, is a healthcare organization registered as a psychiatric/mental health in Maryville, Tennessee and active in the NPI registry since July 2013. The organization lists Margaret H Bonifacio, Owner/provider, as its authorized official.

NPPES Registry Identity

NPI1487096376

Entity TypeOrganization

Primary Taxonomy363LP0808X

Legal Business NameMARGARET HEFFERNAN BONIFACIO

Location Address307 N 5TH STMaryville, TN 37804-2921

Mailing AddressPo Box 5777Maryville, TN 37802-5777 · (865) 246-2104 · Fax (865) 246-2106

Phone(865) 246-2104

Fax(865) 246-2106

Organization SubpartNo

Authorized OfficialMargaret H BonifacioOwner/provider · (865) 387-2904

Enumeration DateJuly 22, 2013

Last NPPES UpdateApril 8, 20263 updates tracked since enumeration

NPPES CertifiedApril 8, 2026

✔ NPI 1487096376 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 · APM0000017637

307 N 5TH ST, Maryville, TN 37804

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Other Names 1

Doing Business AsBonifacio Mental Health

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Heffernan Bonifacio is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Margaret Heffernan Bonifacio, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (3)

Margaret Bonifacio, RN, PMHNP-BC

Nurse Practitioner

NPI 1194163931

9325 S NORTHSHORE DR
Knoxville, TN 37922

(865) 387-2904

✔ PECOS✔ Accepts Medicare10 mi

Stephanie Carmichael, FNP

Nurse Practitioner

NPI 1538463310

5837 LYONS VIEW PIKE
Knoxville, TN 37919

(865) 200-1035

✔ PECOS✔ Accepts Medicare11 mi

Angela Williams, FNP-BC, PMHNP-BC

Nurse Practitioner

NPI 1023537248

5321 BEVERLY PARK CIR
Knoxville, TN 37918

(865) 687-1321

✔ PECOS✔ Accepts Medicare20 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Margaret Heffernan Bonifacio's NPI number?

The NPI number for Margaret Heffernan Bonifacio is 1487096376. It was assigned to this organization in the NPPES registry on July 22, 2013. The provider is doing business as Bonifacio Mental Health.

Where is Margaret Heffernan Bonifacio located?

Margaret Heffernan Bonifacio is located at 307 N 5th St, Maryville, TN 37804. The listed phone number is (865) 246-2104.

What is Margaret Heffernan Bonifacio's specialty?

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

Is Margaret Heffernan Bonifacio enrolled in Medicare?

Yes. Margaret Heffernan Bonifacio is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Margaret Heffernan Bonifacio?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Margaret Heffernan Bonifacio. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Margaret Heffernan Bonifacio was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.