MS. MELISSA ELLEN NIXON NP
NPI 1457315392
Nurse Practitioner - Occupational Health in Saint Louis, MO

NPI Status: Active since April 17, 2006

Contact Information

1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO
ZIP 63125
Phone: (314) 652-4100

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  • Individual
  • Female
  • Nurse Practitioner
  • Occupational Health

About MELISSA NIXON

This page provides the complete NPI Profile along with additional information for Melissa Nixon, a provider established in Saint Louis, Missouri with a medical specialization in Nurse Practitioner, focusing in occupational health . The healthcare provider is registered in the NPI registry with number 1457315392 assigned on April 2006. The practitioner's primary taxonomy code is 363LX0106X with license number 104345 (MO). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1457315392
Provider Name
MS. MELISSA ELLEN NIXON NP
Gender
Female
Entity Type
Individual
Location Address
1 JEFFERSON BARRACKS DR SAINT LOUIS, MO 63125
Location Phone
(314) 652-4100
Mailing Address
1 JEFFERSON BARRACKS DR SAINT LOUIS, MO 63125
Mailing Phone
(314) 652-4100
Is Sole Proprietor?
No
Enumeration Date
04-17-2006
Last Update Date
12-12-2025
Code Navigator

A nurse practitioner (NP) like Melissa Nixon 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 Occupational Health

Taxonomy Code
363LX0106X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
104345
License State
MO

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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 1457315392, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
2
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 5 → 10 → 1 3 → 6 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 6 + 1 + 1 + 0 + 3 + 1 + 8 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1457315392.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist (Pharmacotherapy)
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Psychiatry & Neurology (Psychiatry)
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Family Medicine
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Family Medicine (Adult Medicine)
1 JEFFERSON BARRACKS DR, ATT: 11F10-JB
SAINT LOUIS, MO 63125
Pharmacist (Pharmacotherapy)
1 JEFFERSON BARRACKS DR, PHARMACY SVC 119JB
SAINT LOUIS, MO 63125
Pharmacist
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Pharmacist
1 JEFFERSON BARRACKS DR, 119-JB
SAINT LOUIS, MO 63125
Psychologist (Clinical)
1 JEFFERSON BARRACKS DR, ST. LOUIS VAMC, 116B/JB
SAINT LOUIS, MO 63125
Pharmacist
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Pharmacist
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Pharmacist
1 JEFFERSON BARRACKS DR, 119JB
SAINT LOUIS, MO 63125
Psychologist (Clinical)
1 JEFFERSON BARRACKS DR, PSYCHOLOGY (116 B JB)
SAINT LOUIS, MO 63125
Psychologist (Clinical)
1 JEFFERSON BARRACKS DR, MENTAL HEALTH 116/JB
SAINT LOUIS, MO 63125
Physical Therapist
1 JEFFERSON BARRACKS DR, 128 JB
SAINT LOUIS, MO 63125
Occupational Therapist
1 JEFFERSON BARRACKS DR, #128
SAINT LOUIS, MO 63125
Nurse Practitioner (Adult Health)
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Physician Assistant (Medical)
1 JEFFERSON BARRACKS DR, (11F-10JB)
SAINT LOUIS, MO 63125
Nurse Practitioner (Adult Health)
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Pharmacist
1 JEFFERSON BARRACKS DR
SAINT LOUIS, MO 63125
Dietitian, Registered
1 JEFFERSON BARRACKS DR, 120 JB
SAINT LOUIS, MO 63125

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457315392, enumerated as an "individual" on April 17, 2006.

The provider is located at 1 JEFFERSON BARRACKS DR SAINT LOUIS, MO 63125 and the phone number is (314) 652-4100.

Nurse Practitioner with taxonomy code 363LX0106X and a focus in Occupational Health.