DR. CARLA JEAN MACK O.D.
NPI 1275520504
Optometrist - Corneal and Contact Management in Columbus, OH
- Individual
- Female
- Optometrist
- Corneal and Contact Management
About CARLA MACK
This page provides the complete NPI Profile along with additional information for Carla Mack, a provider established in Columbus, Ohio with a medical specialization in Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1275520504 assigned on October 2005. The practitioner's primary taxonomy code is 152WC0802X with license number 4662 (OH). The provider is registered as an individual and her NPI record was last updated July 2026.
- NPI
- 1275520504
- Provider Name
- DR. CARLA JEAN MACK O.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 338 W 10TH AVE COLUMBUS, OH 43210
- Location Phone
- (614) 292-2020
- Mailing Address
- 438 WOOTEN CT S POWELL, OH 43065
- Mailing Phone
- (614) 431-2160
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-03-2005
- Last Update Date
- 07-13-2026
- 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
Optometrist Corneal and Contact Management
- Taxonomy Code
- 152WC0802X
- Type
- Eye and Vision Services Providers
- License No.
- 4662
- License State
- OH
- Taxonomy Description
- The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.
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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 1275520504, 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.
COLUMBUS, OH 43210
COLUMBUS, OH 43210
COLUMBUS, OH 43210
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1275520504, enumerated as an "individual" on October 03, 2005.
The provider is located at 338 W 10TH AVE COLUMBUS, OH 43210 and the phone number is (614) 292-2020.
Optometrist with taxonomy code 152WC0802X and a focus in Corneal and Contact Management.
