DR. JOHN DAVID TUTTLE M.D.
NPI 1831417237
Military Health Care Provider in Carmel By The Sea, CA

NPI Status: Active since May 10, 2010

Contact Information

3 FOREST RD.
CARMEL BY THE SEA, CA
ZIP 93921
Phone: (831) 250-7817

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  • Individual
  • Male
  • Military Health Care Provider

About JOHN TUTTLE

This page provides the complete NPI Profile along with additional information for John Tuttle, a provider established in Carmel By The Sea, California with a medical specialization in Military Health Care Provider. The healthcare provider is registered in the NPI registry with number 1831417237 assigned on May 2010. The practitioner's primary taxonomy code is 171000000X. The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1831417237
Provider Name
DR. JOHN DAVID TUTTLE M.D.
Gender
Male
Entity Type
Individual
Location Address
3 FOREST RD. CARMEL BY THE SEA, CA 93921
Location Phone
(831) 250-7817
Mailing Address
PO BOX 2585 3 FOREST RD CARMEL, CA 93921
Mailing Phone
(831) 250-7817
Is Sole Proprietor?
Yes
Enumeration Date
05-10-2010
Last Update Date
05-10-2010
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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

Military Health Care Provider

Taxonomy Code
171000000X
Type
Other Service Providers
Taxonomy Description
Active duty military health care providers not otherwise classified who need to be separately identified for operational, clinical, or administrative processes.

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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 1831417237, 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
7
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 3 → 6 4 → 8 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 6 + 1 + 8 + 1 + 1 + 4 + 2 + 6 + 24 = 63

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.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1831417237.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831417237, enumerated as an "individual" on May 10, 2010.

The provider is located at 3 FOREST RD. CARMEL BY THE SEA, CA 93921 and the phone number is (831) 250-7817.

Military Health Care Provider with taxonomy code 171000000X.