MARC ALAN SHEARER
NPI 1003149055
Nutritionist in San Diego, CA

NPI Status: Active since September 09, 2009

Contact Information

4811 MANSFIELD ST
SAN DIEGO, CA
ZIP 92116
Phone: (619) 370-8537

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  • Individual
  • Male
  • Nutritionist

About MARC SHEARER

This page provides the complete NPI Profile along with additional information for Marc Shearer, a provider established in San Diego, California with a medical specialization in Nutritionist. The healthcare provider is registered in the NPI registry with number 1003149055 assigned on September 2009. The practitioner's primary taxonomy code is 133N00000X. The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1003149055
Provider Name
MARC ALAN SHEARER
Gender
Male
Entity Type
Individual
Location Address
4811 MANSFIELD ST SAN DIEGO, CA 92116
Location Phone
(619) 370-8537
Mailing Address
4811 MANSFIELD ST SAN DIEGO, CA 92116
Mailing Phone
(619) 370-8537
Is Sole Proprietor?
No
Enumeration Date
09-09-2009
Last Update Date
09-09-2009
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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

Nutritionist

Taxonomy Code
133N00000X
Type
Dietary & Nutritional Service Providers
Taxonomy Description
A specialist in adapting and applying food and nutrient knowledge to the solution of food and nutritional problems, the control of disease, and the promotion of health. Nutritionists perform research, instruct groups and individuals about nutritional requirements, and assist people in developing meal patterns that meet their nutritional needs; (2) A nutritionist is someone who has completed undergraduate and/or graduate training in the discipline of nutrition without necessarily meeting the academic and experience requirements to qualify for the Registered Dietitian designation.

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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 1003149055, we treat the final digit (5) 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 5).

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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
1
Doubled → 2
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
5
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 0 → 0 1 → 2 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 2 + 4 + 1 + 8 + 0 + 1 + 0 + 24 = 45

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 45 is 50. The difference is the calculated check digit.

50 - 45 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1003149055.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003149055, enumerated as an "individual" on September 09, 2009.

The provider is located at 4811 MANSFIELD ST SAN DIEGO, CA 92116 and the phone number is (619) 370-8537.

Nutritionist with taxonomy code 133N00000X.