FIONA MARIE DONNELLY
NPI 1609753235
Speech-Language Pathologist in South Barrington, IL
NPI Status: Active since August 18, 2025
Contact Information
3 EXECUTIVE CT STE 4
SOUTH BARRINGTON, IL
ZIP 60010
Phone: (847) 387-4086
- Individual
- Female
- Speech-Language Pathologist
About FIONA DONNELLY
This page provides the complete NPI Profile along with additional information for Fiona Donnelly, a provider established in South Barrington, Illinois with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1609753235 assigned on August 2025. The practitioner's primary taxonomy code is 235Z00000X with license number 242.008449 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1609753235
- Provider Name
- FIONA MARIE DONNELLY
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3 EXECUTIVE CT STE 4 SOUTH BARRINGTON, IL 60010
- Location Phone
- (847) 387-4086
- Mailing Address
- 3 EXECUTIVE CT STE 4 SOUTH BARRINGTON, IL 60010
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-18-2025
- Last Update Date
- 08-18-2025
- Code Navigator
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
Speech-Language Pathologist
- Taxonomy Code
- 235Z00000X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- 242.008449
- License State
- IL
- 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 1609753235, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
SOUTH BARRINGTON, IL 60010
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1609753235, enumerated as an "individual" on August 18, 2025.
The provider is located at 3 EXECUTIVE CT STE 4 SOUTH BARRINGTON, IL 60010 and the phone number is (847) 387-4086.
Speech-Language Pathologist with taxonomy code 235Z00000X.
