TONI HENDERSON
NPI 1710814389
Chiropractor - Independent Medical Examiner in Seward, AK

NPI Status: Active since May 06, 2026

Contact Information

11694 SEWARD HWY STE C
SEWARD, AK
ZIP 99664
Phone: (907) 224-8680

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  • Individual
  • Female
  • Chiropractor
  • Independent Medical Examiner

About TONI HENDERSON

This page provides the complete NPI Profile along with additional information for Toni Henderson, a provider established in Seward, Alaska with a medical specialization in Chiropractor, focusing in independent medical examiner . The healthcare provider is registered in the NPI registry with number 1710814389 assigned on May 2026. The practitioner's primary taxonomy code is 111NI0013X with license number 251867 (AK). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1710814389
Provider Name
TONI HENDERSON
Gender
Female
Entity Type
Individual
Location Address
11694 SEWARD HWY STE C SEWARD, AK 99664
Location Phone
(907) 224-8680
Mailing Address
PO BOX 1087 SEWARD, AK 99664
Is Sole Proprietor?
No
Enumeration Date
05-06-2026
Last Update Date
05-06-2026
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A chiropractor like Toni Henderson helps patients with problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons. Chiropractors use spinal adjustments and manipulation, as well as other clinical interventions, to manage health issues such as back and neck pain. Some chiropractors apply procedures like massage therapy, rehabilitative exercise, ultrasound and spinal adjustments and manipulation. A chiropractor focuses on the patients overall health and might refer patients to other healthcare professionals if necessary.

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

Chiropractor Independent Medical Examiner

Taxonomy Code
111NI0013X
Type
Chiropractic Providers
License No.
251867
License State
AK
Taxonomy Description
A chiropractor and special evaluator not involved with the medical care of the individual examinee that impartially evaluates the care being provided by other practitioners to clarify clinical, disability, liability or other case issues.

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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 1710814389, 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
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 1 → 2 8 → 16 → 7 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 1 + 6 + 1 + 8 + 3 + 1 + 6 + 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 1710814389.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710814389, enumerated as an "individual" on May 06, 2026.

The provider is located at 11694 SEWARD HWY STE C SEWARD, AK 99664 and the phone number is (907) 224-8680.

Chiropractor with taxonomy code 111NI0013X and a focus in Independent Medical Examiner.