MICHAEL MARIO TORTORELLI
NPI 1770820268
Nutritionist - Nutrition, Education in San Francisco, CA

NPI Status: Active since January 03, 2013

Contact Information

763 34TH AVE
SAN FRANCISCO, CA
ZIP 94121
Phone: (408) 315-5594

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  • Individual
  • Male
  • Nutritionist
  • Nutrition, Education

About MICHAEL TORTORELLI

This page provides the complete NPI Profile along with additional information for Michael Tortorelli, a provider established in San Francisco, California with a medical specialization in Nutritionist, focusing in nutrition, education . The healthcare provider is registered in the NPI registry with number 1770820268 assigned on January 2013. The practitioner's primary taxonomy code is 133NN1002X. The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1770820268
Provider Name
MICHAEL MARIO TORTORELLI
Gender
Male
Entity Type
Individual
Location Address
763 34TH AVE SAN FRANCISCO, CA 94121
Location Phone
(408) 315-5594
Mailing Address
763 34TH AVE SAN FRANCISCO, CA 94121
Is Sole Proprietor?
Yes
Enumeration Date
01-03-2013
Last Update Date
01-03-2013
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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 Nutrition, Education

Taxonomy Code
133NN1002X
Type
Dietary & Nutritional Service Providers

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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 1770820268, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 7 → 14 → 5 8 → 16 → 7 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 1 + 6 + 2 + 0 + 2 + 1 + 2 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1770820268.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770820268, enumerated as an "individual" on January 03, 2013.

The provider is located at 763 34TH AVE SAN FRANCISCO, CA 94121 and the phone number is (408) 315-5594.

Nutritionist with taxonomy code 133NN1002X and a focus in Nutrition, Education.