MR. GERARD JOESPH LAMBERT OTR
NPI 1942324975
Occupational Therapist - Neurorehabilitation in Cambridge, MA

NPI Status: Active since March 16, 2007

Contact Information

640 CONCORD AVE
CAMBRIDGE, MA
ZIP 02138
Phone: (617) 497-0600

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

Individual
Male
Occupational Therapist
Neurorehabilitation

About GERARD LAMBERT

This page provides the complete NPI Profile along with additional information for Gerard Lambert, a provider established in Cambridge, Massachusetts with a medical specialization in Occupational Therapist, focusing in neurorehabilitation . The healthcare provider is registered in the NPI registry with number 1942324975 assigned on March 2007. The practitioner's primary taxonomy code is 225XN1300X with license number 2088 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI: 1942324975
Provider Name: MR. GERARD JOESPH LAMBERT OTR
Other Name: JERRY JOESPH LAMBERT
Other Name Type: Other Name (5)
Gender: Male
Entity Type: Individual
Location Address: 640 CONCORD AVE CAMBRIDGE, MA 02138
Location Phone: (617) 497-0600
Mailing Address: 572 CAMBRIDGE ST UNIT 1 CAMBRIDGE, MA 02141
Mailing Phone: (161) 794-5419
Is Sole Proprietor?: Yes
Enumeration Date: 03-16-2007
Last Update Date: 07-08-2007
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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: Occupational Therapist Neurorehabilitation
Taxonomy Code: 225XN1300X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.: 2088
License State: MA

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 1942324975, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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.

Pos 1

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 8

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

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 3 → 6 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 6 + 2 + 8 + 9 + 1 + 4 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1942324975.