SEAN WATSON
NPI 1790616597
Technician, Pathology - Phlebotomy in Downey, CA
NPI Status: Active since May 28, 2026
Contact Information
9047 FLORENCE AVE STE B
DOWNEY, CA
ZIP 90240
Phone: (562) 291-0559
Fax: (310) 861-9090
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Male
- Technician, Pathology
- Phlebotomy
About SEAN WATSON
This page provides the complete NPI Profile along with additional information for Sean Watson, a provider established in Downey, California with a medical specialization in Technician, Pathology, focusing in phlebotomy . The healthcare provider is registered in the NPI registry with number 1790616597 assigned on May 2026. The practitioner's primary taxonomy code is 246RP1900X with license number CPT02569745 (CA). The provider is registered as an individual and his NPI record was last updated May 2026.
- NPI
- 1790616597
- Provider Name
- SEAN WATSON
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9047 FLORENCE AVE STE B DOWNEY, CA 90240
- Location Phone
- (562) 291-0559
- Location Fax
- (310) 861-9090
- Mailing Address
- 9047 FLORENCE AVE STE B DOWNEY, CA 90240
- Mailing Phone
- (562) 291-0559
- Mailing Fax
- (310) 861-9090
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-28-2026
- Last Update Date
- 05-28-2026
- 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
Technician, Pathology Phlebotomy
- Taxonomy Code
- 246RP1900X
- Type
- Technologists, Technicians & Other Technical Service Providers
- License No.
- CPT02569745
- License State
- CA
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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 1790616597, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
DOWNEY, CA 90240
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1790616597, enumerated as an "individual" on May 28, 2026.
The provider is located at 9047 FLORENCE AVE STE B DOWNEY, CA 90240 and the phone number is (562) 291-0559.
Technician, Pathology with taxonomy code 246RP1900X and a focus in Phlebotomy.
