TONI STEPHEN
NPI 1689593451
Registered Nurse - Critical Care Medicine in Richmond, IN

NPI Status: Active since July 14, 2026

Contact Information

1100 REID PKWY
RICHMOND, IN
ZIP 47374
Phone: (765) 983-3000

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NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Registered Nurse
  • Critical Care Medicine

About TONI STEPHEN

This page provides the complete NPI Profile along with additional information for Toni Stephen, a provider established in Richmond, Indiana with a medical specialization in Registered Nurse, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1689593451 assigned on July 2026. The practitioner's primary taxonomy code is 163WC0200X with license number 28230452A (IN). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1689593451
Provider Name
TONI STEPHEN
Gender
Female
Entity Type
Individual
Location Address
1100 REID PKWY RICHMOND, IN 47374
Location Phone
(765) 983-3000
Mailing Address
201 REGENCY PL CONNERSVILLE, IN 47331
Is Sole Proprietor?
No
Enumeration Date
07-14-2026
Last Update Date
07-14-2026
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A registered nurse (RN) like Toni Stephen coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

Critical care nurses - this registered nurse specializes in providing care at hospital intensive-care units, tending to patients with severe, acute illnesses and injuries that require meticulous monitoring and intervention.

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

Registered Nurse Critical Care Medicine

Taxonomy Code
163WC0200X
Type
Nursing Service Providers
License No.
28230452A
License State
IN

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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 1689593451, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 5 → 10 → 1 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 0 + 9 + 6 + 4 + 1 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1689593451.

Other Providers at the Same Location


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

Radiology (Diagnostic Radiology)
1100 REID PKWY
RICHMOND, IN 47374
Anesthesiology
1100 REID PKWY
RICHMOND, IN 47374
Plastic Surgery
1100 REID PKWY
RICHMOND, IN 47374
Physical Therapist (Pediatrics)
1100 REID PKWY
RICHMOND, IN 47374
Emergency Medicine
1100 REID PKWY
RICHMOND, IN 47374
Anesthesiology
1100 REID PKWY, REID ANESTHESIA
RICHMOND, IN 47374
Dietitian, Registered
1100 REID PKWY, SUITE 300
RICHMOND, IN 47374
Anesthesiology
1100 REID PKWY, SURGERY/ANESTHESIA DEPARTMENT
RICHMOND, IN 47374
Surgery (Vascular Surgery)
1100 REID PKWY, SUITE 215
RICHMOND, IN 47374
Internal Medicine
1100 REID PKWY
RICHMOND, IN 47374
Physical Therapist
1100 REID PKWY
RICHMOND, IN 47374
Non-Pharmacy Dispensing Site
1100 REID PKWY
RICHMOND, IN 47374
Hospitalist
1100 REID PKWY
RICHMOND, IN 47374
Internal Medicine (Clinical Cardiac Electrophysiology)
1100 REID PKWY, SUITE 210
RICHMOND, IN 47374
Surgery (Vascular Surgery)
1100 REID PKWY, SUITE 215
RICHMOND, IN 47374
Specialist/Technologist (Athletic Trainer)
1100 REID PKWY
RICHMOND, IN 47374
Internal Medicine (Critical Care Medicine)
1100 REID PKWY
RICHMOND, IN 47374
Internal Medicine (Hematology & Oncology)
1100 REID PKWY
RICHMOND, IN 47374
Specialist/Technologist (Athletic Trainer)
1100 REID PKWY
RICHMOND, IN 47374
Radiology (Radiation Oncology)
1100 REID PKWY
RICHMOND, IN 47374

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689593451, enumerated as an "individual" on July 14, 2026.

The provider is located at 1100 REID PKWY RICHMOND, IN 47374 and the phone number is (765) 983-3000.

Registered Nurse with taxonomy code 163WC0200X and a focus in Critical Care Medicine.