HELEN BLYTHE PROVENZANO DMD
NPI 1972434033
Dentist - General Practice in Summerville, SC
NPI Status: Active since May 27, 2026
Contact Information
1554 CENTRAL AVE STE B
SUMMERVILLE, SC
ZIP 29483
Phone: (854) 264-7270
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Dentist
- General Practice
About HELEN PROVENZANO
This page provides the complete NPI Profile along with additional information for Helen Provenzano, a provider established in Summerville, South Carolina with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1972434033 assigned on May 2026. The practitioner's primary taxonomy code is 1223G0001X with license number 11446 (SC). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1972434033
- Provider Name
- HELEN BLYTHE PROVENZANO DMD
- Other Name
- HELEN BLYTHE COSS
- Other Name Type
- Former Name (1)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1554 CENTRAL AVE STE B SUMMERVILLE, SC 29483
- Location Phone
- (854) 264-7270
- Mailing Address
- 1871 ASHLEY RIVER RD APT 4308 CHARLESTON, SC 29407
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-27-2026
- Last Update Date
- 05-27-2026
- Code Navigator
A dentist like Helen Provenzano is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
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
Dentist General Practice
- Taxonomy Code
- 1223G0001X
- Type
- Dental Providers
- License No.
- 11446
- License State
- SC
- Taxonomy Description
- A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
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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 1972434033, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).
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 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
SUMMERVILLE, SC 29483
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1972434033, enumerated as an "individual" on May 27, 2026.
The provider is located at 1554 CENTRAL AVE STE B SUMMERVILLE, SC 29483 and the phone number is (854) 264-7270.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
