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

NPI Status: Active since July 22, 2013

Contact Information

307 N 5TH ST
MARYVILLE, TN
ZIP 37804
Phone: (865) 246-2104
Fax: (865) 246-2106

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  • Organization
  • Nurse Practitioner
  • Psychiatric/Mental Health

About MARGARET HEFFERNAN BONIFACIO

This page provides the complete NPI Profile along with additional information for Margaret Heffernan Bonifacio, a provider established in Maryville, Tennessee operating as a Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1487096376 assigned on July 2013. The practitioner's primary taxonomy code is 363LP0808X with license number APM0000017637 (TN). The provider is registered as an organization and their NPI record was last updated April 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The provider's . The authorized official of this NPI record is Margaret H Bonifacio (Owner/provider)

NPI
1487096376
Provider Legal Name
MARGARET HEFFERNAN BONIFACIO
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
307 N 5TH ST MARYVILLE, TN 37804
Location Phone
(865) 246-2104
Location Fax
(865) 246-2106
Mailing Address
PO BOX 5777 MARYVILLE, TN 37802
Mailing Phone
(865) 246-2104
Mailing Fax
(865) 246-2106
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-22-2013
Last Update Date
04-08-2026
Code Navigator

A nurse practitioner (NP) like Margaret Heffernan Bonifacio is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Nurse Practitioner Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
APM0000017637
License State
TN

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MARGARET H BONIFACIO

Authorized Official Title
OWNER/PROVIDER
Authorized Official Phone
(865) 387-2904

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1487096376, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 0 → 0 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 6 + 7 + 0 + 9 + 1 + 2 + 3 + 1 + 4 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1487096376.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Physical Therapy Assistant
307 N 5TH ST
MARYVILLE, TN 37804
Occupational Therapy Assistant
307 N 5TH ST
MARYVILLE, TN 37804
Physical Therapy Assistant
307 N 5TH ST
MARYVILLE, TN 37804
Physical Therapist
307 N 5TH ST
MARYVILLE, TN 37804
Skilled Nursing Facility
307 N 5TH ST
MARYVILLE, TN 37804
Skilled Nursing Facility
307 N 5TH ST
MARYVILLE, TN 37804
Skilled Nursing Facility
307 N 5TH ST
MARYVILLE, TN 37804
Occupational Therapist
307 N 5TH ST
MARYVILLE, TN 37804
Internal Medicine (Pulmonary Disease)
307 N 5TH ST
MARYVILLE, TN 37804

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487096376, enumerated as an "organization" on July 22, 2013.

The provider is located at 307 N 5TH ST MARYVILLE, TN 37804 and the phone number is (865) 246-2104.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.