CASSANDRA LAGASSE
NPI 1083540124
Technician/Technologist - Optician in Chelmsford, MA
NPI Status: Active since June 18, 2026
Contact Information
228 BILLERICA RD
CHELMSFORD, MA
ZIP 01824
Phone: (978) 250-6390
Fax: (978) 244-6652
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Technician/Technologist
- Optician
About CASSANDRA LAGASSE
This page provides the complete NPI Profile along with additional information for Cassandra Lagasse, a provider established in Chelmsford, Massachusetts with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1083540124 assigned on June 2026. The practitioner's primary taxonomy code is 156FX1800X with license number 6766 (MA). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1083540124
- Provider Name
- CASSANDRA LAGASSE
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 228 BILLERICA RD CHELMSFORD, MA 01824
- Location Phone
- (978) 250-6390
- Location Fax
- (978) 244-6652
- Mailing Address
- 228 BILLERICA RD CHELMSFORD, MA 01824
- Mailing Phone
- (978) 250-6390
- Mailing Fax
- (978) 244-6652
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-18-2026
- Last Update Date
- 06-18-2026
- 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
Technician/Technologist Optician
- Taxonomy Code
- 156FX1800X
- Type
- Eye and Vision Services Providers
- License No.
- 6766
- License State
- MA
- Taxonomy Description
- Opticians help fit eyeglasses and contact lenses, following prescriptions from Ophthalmologists and Optometrists. They also help customers decide which eyeglass frame or contact lenses to buy.
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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 1083540124, we treat the final digit (4) 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).
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 46 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
CHELMSFORD, MA 01824
CHELMSFORD, MA 01824
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1083540124, enumerated as an "individual" on June 18, 2026.
The provider is located at 228 BILLERICA RD CHELMSFORD, MA 01824 and the phone number is (978) 250-6390.
Technician/Technologist with taxonomy code 156FX1800X and a focus in Optician.
