HANNAH YING TAM RDN
NPI 1851150742
Dietitian, Registered in Riverside, CA

NPI Status: Active since March 14, 2024

Contact Information

10800 MAGNOLIA AVE
RIVERSIDE, CA
ZIP 92505
Phone: (714) 722-9688

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  • Individual
  • Female
  • Dietitian, Registered

About HANNAH TAM

This page provides the complete NPI Profile along with additional information for Hannah Tam, a provider established in Riverside, California with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1851150742 assigned on March 2024. The practitioner's primary taxonomy code is 133V00000X with license number 86001490 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1851150742
Provider Name
HANNAH YING TAM RDN
Gender
Female
Entity Type
Individual
Location Address
10800 MAGNOLIA AVE RIVERSIDE, CA 92505
Location Phone
(714) 722-9688
Mailing Address
7073 21ST ST APT D WESTMINSTER, CA 92683
Mailing Phone
(714) 722-9688
Is Sole Proprietor?
No
Enumeration Date
03-14-2024
Last Update Date
06-10-2025
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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

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License No.
86001490
License State
CA
Taxonomy Description
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

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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 1851150742, 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
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 5 → 10 → 1 1 → 2 0 → 0 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 2 + 5 + 0 + 7 + 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 1851150742.

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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851150742, enumerated as an "individual" on March 14, 2024.

The provider is located at 10800 MAGNOLIA AVE RIVERSIDE, CA 92505 and the phone number is (714) 722-9688.

Dietitian, Registered with taxonomy code 133V00000X.