THERESA DAY CCC-SLP
NPI 1841136025
Speech-Language Pathologist in Montevideo, MN
NPI Status: Active since April 28, 2026
Contact Information
2001 WILLIAM AVE
MONTEVIDEO, MN
ZIP 56265
Phone: (320) 269-8833
- Individual
- Female
- Speech-Language Pathologist
About THERESA DAY
This page provides the complete NPI Profile along with additional information for Theresa Day, a provider established in Montevideo, Minnesota with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1841136025 assigned on April 2026. The practitioner's primary taxonomy code is 235Z00000X with license number 12114674 (MN). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1841136025
- Provider Name
- THERESA DAY CCC-SLP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2001 WILLIAM AVE MONTEVIDEO, MN 56265
- Location Phone
- (320) 269-8833
- Mailing Address
- 4541 340TH AVE MONTEVIDEO, MN 56265
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-28-2026
- Last Update Date
- 04-28-2026
- 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.
- 12114674
- License State
- MN
- 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 1841136025, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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 55 is 60. 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1841136025, enumerated as an "individual" on April 28, 2026.
The provider is located at 2001 WILLIAM AVE MONTEVIDEO, MN 56265 and the phone number is (320) 269-8833.
Speech-Language Pathologist with taxonomy code 235Z00000X.
