MS. MICHELLE CHALMERS RD
NPI 1376490730
Nutritionist in Oakland, CA
NPI Status: Active since March 13, 2026
Contact Information
255 2ND ST
OAKLAND, CA
ZIP 94607
Phone: (510) 433-8340
- Individual
- Female
- Nutritionist
About MICHELLE CHALMERS
This page provides the complete NPI Profile along with additional information for Michelle Chalmers, a provider established in Oakland, California with a medical specialization in Nutritionist. The healthcare provider is registered in the NPI registry with number 1376490730 assigned on March 2026. The practitioner's primary taxonomy code is 133N00000X. The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1376490730
- Provider Name
- MS. MICHELLE CHALMERS RD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 255 2ND ST OAKLAND, CA 94607
- Location Phone
- (510) 433-8340
- Mailing Address
- 255 2ND ST OAKLAND, CA 94607
- Mailing Phone
- (510) 433-8340
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-13-2026
- Last Update Date
- 03-13-2026
- 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
Nutritionist
- Taxonomy Code
- 133N00000X
- Type
- Dietary & Nutritional Service Providers
- 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.
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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 1376490730, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).
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 70 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.
OAKLAND, CA 94607
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1376490730, enumerated as an "individual" on March 13, 2026.
The provider is located at 255 2ND ST OAKLAND, CA 94607 and the phone number is (510) 433-8340.
Nutritionist with taxonomy code 133N00000X.
