MR. JOHN A SHAY M.D.
NPI 1255375994
Specialist in Carmel, IN
NPI Status: Active since June 15, 2006
Contact Information
13450 N MERIDIAN ST
SUITE 244
CARMEL, IN
ZIP 46032
Phone: (317) 846-4484
Fax: (317) 571-2344
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.
- Individual
- Male
- Specialist
About JOHN SHAY
This page provides the complete NPI Profile along with additional information for John Shay, a provider established in Carmel, Indiana with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1255375994 assigned on June 2006. The practitioner's primary taxonomy code is 174400000X with license number 10139661 (IN). The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1255375994
- Provider Name
- MR. JOHN A SHAY M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 13450 N MERIDIAN ST SUITE 244 CARMEL, IN 46032
- Location Phone
- (317) 846-4484
- Location Fax
- (317) 571-2344
- Mailing Address
- 13450 N MERIDIAN ST SUITE 244 CARMEL, IN 46032
- Mailing Phone
- (317) 846-4484
- Mailing Fax
- (317) 571-2344
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-15-2006
- 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
Specialist
- Taxonomy Code
- 174400000X
- Type
- Other Service Providers
- License No.
- 10139661
- License State
- IN
- Taxonomy Description
- An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Reviews for MR. JOHN A SHAY M.D.
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1255375994, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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 66 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
CARMEL, IN 46032
CARMEL, IN 46032
CARMEL, IN 46032
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1255375994, enumerated as an "individual" on June 15, 2006.
The provider is located at 13450 N MERIDIAN ST SUITE 244 CARMEL, IN 46032 and the phone number is (317) 846-4484.
Specialist with taxonomy code 174400000X.
