JESSICA VIRGINIA LEON
NPI 1639033368
Peer Specialist in Alhambra, CA
NPI Status: Active since December 16, 2025
Contact Information
2800 W VALLEY BLVD
ALHAMBRA, CA
ZIP 91803
Phone: (562) 777-7500
- Individual
- Female
- Peer Specialist
About JESSICA LEON
This page provides the complete NPI Profile along with additional information for Jessica Leon, a provider established in Alhambra, California with a medical specialization in Peer Specialist. The healthcare provider is registered in the NPI registry with number 1639033368 assigned on December 2025. The practitioner's primary taxonomy code is 175T00000X with license number MPSS-FAWHGS (CA). The provider is registered as an individual and her NPI record was last updated December 2025.
- NPI
- 1639033368
- Provider Name
- JESSICA VIRGINIA LEON
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2800 W VALLEY BLVD ALHAMBRA, CA 91803
- Location Phone
- (562) 777-7500
- Mailing Address
- 12070 TELEGRAPH RD SANTA FE SPRINGS, CA 90670
- Mailing Phone
- (562) 777-7500
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-16-2025
- Last Update Date
- 12-16-2025
- 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
Peer Specialist
- Taxonomy Code
- 175T00000X
- Type
- Other Service Providers
- License No.
- MPSS-FAWHGS
- License State
- CA
- Taxonomy Description
- Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
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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 1639033368, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639033368, enumerated as an "individual" on December 16, 2025.
The provider is located at 2800 W VALLEY BLVD ALHAMBRA, CA 91803 and the phone number is (562) 777-7500.
Peer Specialist with taxonomy code 175T00000X.
