RACHEL GRINNELL
NPI 1154831147
Speech-Language Pathologist in Frisco, TX

NPI Status: Active since October 04, 2017

Contact Information

3880 PARKWOOD BLVD
FRISCO, TX
ZIP 75034
Phone: (972) 424-0148

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  • Individual
  • Female
  • Speech-Language Pathologist

About RACHEL GRINNELL

This page provides the complete NPI Profile along with additional information for Rachel Grinnell, a provider established in Frisco, Texas with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1154831147 assigned on October 2017. The practitioner's primary taxonomy code is 235Z00000X with license number 111696 (TX). The provider is registered as an individual and her NPI record was last updated 9 years ago.

NPI
1154831147
Provider Name
RACHEL GRINNELL
Gender
Female
Entity Type
Individual
Location Address
3880 PARKWOOD BLVD FRISCO, TX 75034
Location Phone
(972) 424-0148
Mailing Address
1410 14TH ST PLANO, TX 75074
Is Sole Proprietor?
Yes
Enumeration Date
10-04-2017
Last Update Date
10-04-2017
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
111696
License State
TX
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

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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 1154831147, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 8 → 16 → 7 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 + 1 + 1 + 0 + 4 + 1 + 6 + 3 + 2 + 1 + 8 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1154831147.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Occupational Therapist
3880 PARKWOOD BLVD, SUITE 502
FRISCO, TX 75034
Clinic/Center (Medical Specialty)
3880 PARKWOOD BLVD, SUITE 403
FRISCO, TX 75034
Obstetrics & Gynecology
3880 PARKWOOD BLVD, SUITE 403
FRISCO, TX 75034
Internal Medicine
3880 PARKWOOD BLVD, SUITE 304
FRISCO, TX 75034
Speech-Language Pathologist
3880 PARKWOOD BLVD
FRISCO, TX 75034
Internal Medicine
3880 PARKWOOD BLVD, SUITE 304
FRISCO, TX 75034
Dentist
3880 PARKWOOD BLVD, SUITE 103
FRISCO, TX 75034
Obstetrics & Gynecology
3880 PARKWOOD BLVD, SUITE 403
FRISCO, TX 75034
Speech-Language Pathologist
3880 PARKWOOD BLVD, BLDG 5, SUITE 502
FRISCO, TX 75034
Orthopaedic Surgery (Hand Surgery)
3880 PARKWOOD BLVD, SUITE 501
FRISCO, TX 75034
Speech-Language Pathologist
3880 PARKWOOD BLVD
FRISCO, TX 75034
Podiatrist
3880 PARKWOOD BLVD, SUITE 602
FRISCO, TX 75034
Obstetrics & Gynecology
3880 PARKWOOD BLVD, SUITE 403
FRISCO, TX 75034
Occupational Therapist
3880 PARKWOOD BLVD
FRISCO, TX 75034
Occupational Therapist
3880 PARKWOOD BLVD
FRISCO, TX 75034
Physician Assistant
3880 PARKWOOD BLVD
FRISCO, TX 75034
Dermatology
3880 PARKWOOD BLVD, SUITE 102
FRISCO, TX 75034
Clinic/Center (Medical Specialty)
3880 PARKWOOD BLVD, SUITE 102
FRISCO, TX 75034
Physician Assistant
3880 PARKWOOD BLVD
FRISCO, TX 75034

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154831147, enumerated as an "individual" on October 04, 2017.

The provider is located at 3880 PARKWOOD BLVD FRISCO, TX 75034 and the phone number is (972) 424-0148.

Speech-Language Pathologist with taxonomy code 235Z00000X.