TANYA ELLIE ESHEL M.S.
NPI 1740035542
Nutritionist in Del Mar, CA

NPI Status: Active since April 23, 2024

Contact Information

122 15TH ST UNIT 64
DEL MAR, CA
ZIP 92014
Phone: (408) 203-9996

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  • Individual
  • Female
  • Nutritionist

About TANYA ESHEL

This page provides the complete NPI Profile along with additional information for Tanya Eshel, a provider established in Del Mar, California with a medical specialization in Nutritionist. The healthcare provider is registered in the NPI registry with number 1740035542 assigned on April 2024. The practitioner's primary taxonomy code is 133N00000X with license number 138920 (CA). The provider is registered as an individual and her NPI record was last updated March 2026. Tanya Eshel operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1740035542
Provider Name
TANYA ELLIE ESHEL M.S.
Other Name
TANYA ELLIE
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
122 15TH ST UNIT 64 DEL MAR, CA 92014
Location Phone
(408) 203-9996
Mailing Address
122 15TH ST UNIT 64 DEL MAR, CA 92014
Mailing Phone
(408) 203-9996
Is Sole Proprietor?
Yes
Enumeration Date
04-23-2024
Last Update Date
03-18-2026
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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
License No.
138920
License State
CA
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1171400000XOther Service Providers

Health and Wellness Coach

 
2174H00000XOther Service Providers

Health Educator

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1740035542, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 0 + 3 + 1 + 0 + 5 + 8 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1740035542.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740035542, enumerated as an "individual" on April 23, 2024.

The provider is located at 122 15TH ST UNIT 64 DEL MAR, CA 92014 and the phone number is (408) 203-9996.

Nutritionist with taxonomy code 133N00000X.