CELIA HOFFMANN
NPI 1861335861
Specialist/Technologist - Speech-Language Assistant in Keller, TX

NPI Status: Active since April 13, 2026

Contact Information

420 JOHNSON RD STE 101
KELLER, TX
ZIP 76248
Phone: (682) 593-1659

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  • Individual
  • Female
  • Specialist/Technologist
  • Speech-Language Assistant

About CELIA HOFFMANN

This page provides the complete NPI Profile along with additional information for Celia Hoffmann, a provider established in Keller, Texas with a medical specialization in Specialist/technologist, focusing in speech-language assistant . The healthcare provider is registered in the NPI registry with number 1861335861 assigned on April 2026. The practitioner's primary taxonomy code is 2355S0801X. The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1861335861
Provider Name
CELIA HOFFMANN
Gender
Female
Entity Type
Individual
Location Address
420 JOHNSON RD STE 101 KELLER, TX 76248
Location Phone
(682) 593-1659
Mailing Address
4508 LACEBARK LN FORT WORTH, TX 76244
Mailing Phone
(469) 231-4720
Is Sole Proprietor?
No
Enumeration Date
04-13-2026
Last Update Date
04-13-2026
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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

Specialist/Technologist Speech-Language Assistant

Taxonomy Code
2355S0801X
Type
Speech, Language and Hearing Service Providers

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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 1861335861, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 6 → 12 → 3 3 → 6 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 6 + 3 + 1 + 0 + 8 + 1 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1861335861.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Clinic/Center (Hearing and Speech)
420 JOHNSON RD STE 101
KELLER, TX 76248

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861335861, enumerated as an "individual" on April 13, 2026.

The provider is located at 420 JOHNSON RD STE 101 KELLER, TX 76248 and the phone number is (682) 593-1659.

Specialist/Technologist with taxonomy code 2355S0801X and a focus in Speech-Language Assistant.