MRS. SAMANTHA GRAYSON APRN
NPI 1427911619
Nurse Practitioner - Psychiatric/Mental Health in Knoxville, TN

NPI Status: Active since December 04, 2025

Contact Information

1930 ALCOA HWY STE 435
KNOXVILLE, TN
ZIP 37920
Phone: (865) 263-2400

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  • Individual
  • Female
  • Nurse Practitioner
  • Psychiatric/Mental Health

About SAMANTHA GRAYSON

This page provides the complete NPI Profile along with additional information for Samantha Grayson, a provider established in Knoxville, Tennessee with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1427911619 assigned on December 2025. The practitioner's primary taxonomy code is 363LP0808X with license number 39630 (TN). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1427911619
Provider Name
MRS. SAMANTHA GRAYSON APRN
Other Name
SAMANTHA JO FRAZIER
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1930 ALCOA HWY STE 435 KNOXVILLE, TN 37920
Location Phone
(865) 263-2400
Mailing Address
9726 TUNBRIDGE LN KNOXVILLE, TN 37922
Mailing Phone
(512) 241-9097
Is Sole Proprietor?
No
Enumeration Date
12-04-2025
Last Update Date
12-04-2025
Code Navigator

A nurse practitioner (NP) like Samantha Grayson 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.
39630
License State
TN

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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 1427911619, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 2 → 4 9 → 18 → 9 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 8 + 1 + 2 + 6 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1427911619.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Obstetrics & Gynecology (Maternal & Fetal Medicine)
1930 ALCOA HWY STE 435
KNOXVILLE, TN 37920
Medical Genetics, Ph.D. Medical Genetics
1930 ALCOA HWY STE 435, UT GENETICS CENTER
KNOXVILLE, TN 37920
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1930 ALCOA HWY STE 435
KNOXVILLE, TN 37920
Genetic Counselor, MS
1930 ALCOA HWY STE 435
KNOXVILLE, TN 37920
Advanced Practice Midwife
1930 ALCOA HWY STE 435
KNOXVILLE, TN 37920

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427911619, enumerated as an "individual" on December 04, 2025.

The provider is located at 1930 ALCOA HWY STE 435 KNOXVILLE, TN 37920 and the phone number is (865) 263-2400.

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