ELLEN GRENIER M.E.D.
NPI 1740605898
Specialist/Technologist in Longmeadow, MA

NPI Status: Active since February 26, 2014

Contact Information

32 NORWAY ST
LONGMEADOW, MA
ZIP 01106
Phone: (413) 567-0374

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Specialist/Technologist

About ELLEN GRENIER

This page provides the complete NPI Profile along with additional information for Ellen Grenier, a provider established in Longmeadow, Massachusetts with a medical specialization in Specialist/technologist. The healthcare provider is registered in the NPI registry with number 1740605898 assigned on February 2014. The practitioner's primary taxonomy code is 235500000X with license number 042-430-193 (MA). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI: 1740605898
Provider Name: ELLEN GRENIER M.E.D.
Other Name: BETSY GRENIER M.E.D.
Other Name Type: Other Name (5)
Gender: Female
Entity Type: Individual
Location Address: 32 NORWAY ST LONGMEADOW, MA 01106
Location Phone: (413) 567-0374
Mailing Address: 32 NORWAY ST LONGMEADOW, MA 01106
Mailing Phone: (413) 567-0374
Is Sole Proprietor?: Yes
Enumeration Date: 02-26-2014
Last Update Date: 02-26-2014
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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
Taxonomy Code: 235500000X
Type: Speech, Language and Hearing Service Providers
License No.: 042-430-193
License State: MA
Taxonomy Description: General classification identifying speech, language and hearing services individuals who are trained on a specific piece of equipment or technical procedure.

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 1740605898, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 4 → 8 6 → 12 → 3 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 1 + 2 + 0 + 1 + 0 + 8 + 1 + 8 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1740605898.