MR. MARK LAPLANTE
NPI 1366361495
Adult Companion in Grass Valley, CA
- Individual
- Male
- Adult Companion
About MARK LAPLANTE
This page provides the complete NPI Profile along with additional information for Mark Laplante, a provider established in Grass Valley, California with a medical specialization in Adult Companion. The healthcare provider is registered in the NPI registry with number 1366361495 assigned on July 2026. The practitioner's primary taxonomy code is 372600000X. The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1366361495
- Provider Name
- MR. MARK LAPLANTE
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 333 CROWN POINT CIR GRASS VALLEY, CA 95945
- Location Phone
- (530) 273-5440
- Location Fax
- (530) 273-5479
- Mailing Address
- PO BOX 2185 PENN VALLEY, CA 95946
- Mailing Phone
- (530) 270-9341
- Mailing Fax
- (530) 273-5479
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-13-2026
- Last Update Date
- 07-13-2026
- 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
Adult Companion
- Taxonomy Code
- 372600000X
- Type
- Nursing Service Related Providers
- Taxonomy Description
- An individual who provides supervision, socialization, and non-medical care to a functionally impaired adult. Companions may assist or supervise the individual with such tasks as meal preparation, laundry and shopping, but do not perform these activities as discrete services. These services are provided in accordance with a therapeutic goal in the plan of care.
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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 1366361495, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
GRASS VALLEY, CA 95945
GRASS VALLEY, CA 95945
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1366361495, enumerated as an "individual" on July 13, 2026.
The provider is located at 333 CROWN POINT CIR GRASS VALLEY, CA 95945 and the phone number is (530) 273-5440.
Adult Companion with taxonomy code 372600000X.
