MS. VIVIAN M HALL TECH
NPI 1952272957
Technician/Technologist - Ophthalmic Assistant in Santa Maria, CA
NPI Status: Active since September 15, 2025
Contact Information
1550 E MAIN ST
SANTA MARIA, CA
ZIP 93454
Phone: (805) 354-6041
Fax: (805) 922-5341
- Individual
- Female
- Technician/Technologist
- Ophthalmic Assistant
About VIVIAN HALL
This page provides the complete NPI Profile along with additional information for Vivian Hall, a provider established in Santa Maria, California with a medical specialization in Technician/technologist, focusing in ophthalmic assistant . The healthcare provider is registered in the NPI registry with number 1952272957 assigned on September 2025. The practitioner's primary taxonomy code is 156FX1101X. The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1952272957
- Provider Name
- MS. VIVIAN M HALL TECH
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1550 E MAIN ST SANTA MARIA, CA 93454
- Location Phone
- (805) 354-6041
- Location Fax
- (805) 922-5341
- Mailing Address
- 1550 E MAIN ST SANTA MARIA, CA 93454
- Mailing Phone
- (805) 354-6041
- Mailing Fax
- (805) 922-5341
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-15-2025
- Last Update Date
- 09-15-2025
- 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 Ophthalmic Assistant
- Taxonomy Code
- 156FX1101X
- Type
- Eye and Vision Services Providers
- Taxonomy Description
- An ophthalmic assistant assists ophthalmologists by performing duties including, but not limited to, patient charting, patient education, and basic eye testing.
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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 1952272957, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 11 providers are registered at the same or a nearby location.
SANTA MARIA, CA 93454
SANTA MARIA, CA 93454
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1952272957, enumerated as an "individual" on September 15, 2025.
The provider is located at 1550 E MAIN ST SANTA MARIA, CA 93454 and the phone number is (805) 354-6041.
Technician/Technologist with taxonomy code 156FX1101X and a focus in Ophthalmic Assistant.
