WATCH CITY OPTICAL
NPI 1629370622
Eyewear Supplier in Waltham, MA
NPI Status: Active since November 23, 2010
Contact Information
20 HOPE AVE
WALTHAM, MA
ZIP 02453
Phone: (781) 894-3800
Fax: (781) 891-7936
- Organization
- Eyewear Supplier
About WATCH CITY OPTICAL
This page provides the complete NPI Profile along with additional information for Watch City Optical, a provider established in Waltham, Massachusetts operating as a Eyewear Supplier. The healthcare provider is registered in the NPI registry with number 1629370622 assigned on November 2010. The practitioner's primary taxonomy code is 332H00000X with license number 1750 (MA). The provider is registered as an organization and their NPI record was last updated 16 years ago. The authorized official of this NPI record is Mr. Dana Cohen Optician (Owner)
- NPI
- 1629370622
- Provider Name
- WATCH CITY OPTICAL
- Entity Type
- Organization
- Location Address
- 20 HOPE AVE WALTHAM, MA 02453
- Location Phone
- (781) 894-3800
- Location Fax
- (781) 891-7936
- Mailing Address
- 20 HOPE AVE WALTHAM, MA 02453
- Mailing Phone
- (781) 894-3800
- Mailing Fax
- (781) 891-7936
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 11-23-2010
- Last Update Date
- 11-23-2010
- 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
Eyewear Supplier
- Taxonomy Code
- 332H00000X
- Type
- Suppliers
- License No.
- 1750
- License State
- MA
- Taxonomy Description
- An organization that provides spectacles, contact lenses, and other vision enhancement devices prescribed by an optometrist or ophthalmologist.
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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 1629370622, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. 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.
WALTHAM, MA 02453
WALTHAM, MA 02453
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1629370622, enumerated as an "organization" on November 23, 2010.
The provider is located at 20 HOPE AVE WALTHAM, MA 02453 and the phone number is (781) 894-3800.
Eyewear Supplier with taxonomy code 332H00000X.
