CLARISSA HOM MPH, RD
NPI 1831961226
Dietitian, Registered - Nutrition, Pediatric in San Mateo, CA
NPI Status: Active since October 27, 2023
Contact Information
1900 OFARRELL ST STE 250
SAN MATEO, CA
ZIP 94403
Phone: (650) 422-7475
- Individual
- Female
- Dietitian, Registered
- Nutrition, Pediatric
About CLARISSA HOM
This page provides the complete NPI Profile along with additional information for Clarissa Hom, a provider established in San Mateo, California with a medical specialization in Dietitian, Registered, focusing in nutrition, pediatric . The healthcare provider is registered in the NPI registry with number 1831961226 assigned on October 2023. The practitioner's primary taxonomy code is 133VN1004X. The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1831961226
- Provider Name
- CLARISSA HOM MPH, RD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1900 OFARRELL ST STE 250 SAN MATEO, CA 94403
- Location Phone
- (650) 422-7475
- Mailing Address
- 1900 OFARRELL ST STE 250 SAN MATEO, CA 94403
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-27-2023
- Last Update Date
- 10-20-2025
- Code Navigator
Location Map
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 Nutrition, Pediatric
- Taxonomy Code
- 133VN1004X
- Type
- Dietary & Nutritional Service Providers
- Taxonomy Description
- An individual who is a Board Certified Specialist in Pediatric Nutrition and applies evidence-based nutrition knowledge in providing medical nutrition therapy for pediatric patients. Specialists work directly with healthy and/or ill children (newborn up to 21 years of age) as well as children with special health care needs in a variety of settings (hospitals, community-based and/or family-centered programs, education programs, home, etc.), OR indirectly through management, care coordination, education, quality improvement, or research practice linked specifically to pediatric nutrition.
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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 1831961226, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 64 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1831961226, enumerated as an "individual" on October 27, 2023.
The provider is located at 1900 OFARRELL ST STE 250 SAN MATEO, CA 94403 and the phone number is (650) 422-7475.
Dietitian, Registered with taxonomy code 133VN1004X and a focus in Nutrition, Pediatric.
