Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. NICHOLAS ANTHONY DIEHL DO
NPI 1891481545
Pediatrics in Jackson, MS

Active since April 14, 2023
2500 N STATE ST, JACKSON, MS 39216(601) 984-1113 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Pediatrics

About NICHOLAS DIEHL

This page provides the complete NPI Profile along with additional information for Nicholas Diehl, a pediatrician established in Jackson, Mississippi with a medical specialization in Pediatrics. The healthcare provider is registered in the NPI registry with number 1891481545 assigned on April 2023. The practitioner's primary taxonomy code is 208000000X with license number 37436 (MS). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1891481545
Provider Name
DR. NICHOLAS ANTHONY DIEHL DO
Gender
Male
Entity Type
Individual
Location Address
2500 N STATE ST JACKSON, MS 39216
Location Phone
(601) 984-1113
Mailing Address
2500 N STATE ST JACKSON, MS 39216
Mailing Phone
(601) 984-1113
Is Sole Proprietor?
No
Enumeration Date
04-14-2023
Last Update Date
07-05-2026
Code Navigator

A pediatrician like Nicholas Diehl is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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

Pediatrics

Taxonomy Code
208000000X
Type
Allopathic & Osteopathic Physicians
License No.
37436
License State
MS
Taxonomy Description
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

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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 1891481545, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 8 + 8 + 2 + 5 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1891481545.

Other Providers at the Same Location


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

Ophthalmology
2500 N STATE ST, STE B329
JACKSON, MS 39216
Rehabilitation Unit
2500 N STATE ST
JACKSON, MS 39216
Otolaryngology
2500 N STATE ST, DEPARTMENT OF OTOLARYNGOLOGY
JACKSON, MS 39216
Anesthesiology (Pediatric Anesthesiology)
2500 N STATE ST, DEPT. OF ANESTHESIOLOGY
JACKSON, MS 39216
Psychologist (Clinical)
2500 N STATE ST
JACKSON, MS 39216
Nurse Practitioner
2500 N STATE ST
JACKSON, MS 39216
Neurological Surgery
2500 N STATE ST, N703 NEUROSURGERY DEPARTMENT
JACKSON, MS 39216
Psychiatry & Neurology (Psychiatry)
2500 N STATE ST
JACKSON, MS 39216
Clinical Neuropsychologist
2500 N STATE ST
JACKSON, MS 39216
Psychologist (Clinical)
2500 N STATE ST
JACKSON, MS 39216
Medical Genetics (Clinical Genetics (M.D.))
2500 N STATE ST, DEPARTMENT OF PREVENTIVE MEDICINE
JACKSON, MS 39216
Clinical Medical Laboratory
2500 N STATE ST
JACKSON, MS 39216
Pediatrics (Pediatric Critical Care Medicine)
2500 N STATE ST
JACKSON, MS 39216
Pediatrics (Pediatric Critical Care Medicine)
2500 N STATE ST
JACKSON, MS 39216
Pediatrics (Pediatric Infectious Diseases)
2500 N STATE ST
JACKSON, MS 39216
Pediatrics
2500 N STATE ST
JACKSON, MS 39216
Pediatrics (Neonatal-Perinatal Medicine)
2500 N STATE ST
JACKSON, MS 39216
Pediatrics (Pediatric Hematology-Oncology)
2500 N STATE ST
JACKSON, MS 39216
Pediatrics (Pediatric Emergency Medicine)
2500 N STATE ST
JACKSON, MS 39216
Nurse Practitioner
2500 N STATE ST
JACKSON, MS 39216

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891481545, enumerated as an "individual" on April 14, 2023.

The provider is located at 2500 N STATE ST JACKSON, MS 39216 and the phone number is (601) 984-1113.

Pediatrics with taxonomy code 208000000X.