YANG CAO
NPI 1700721313
Pathology - Clinical Laboratory Director, Non-physician in Saint Louis, MO
NPI Status: Active since April 21, 2026
Contact Information
660 S EUCLID AVE
SAINT LOUIS, MO
ZIP 63110
Phone: (314) 273-3225
- Individual
- Female
- Pathology
- Clinical Laboratory Director, Non-physic...
About YANG CAO
This page provides the complete NPI Profile along with additional information for Yang Cao, a provider established in Saint Louis, Missouri with a medical specialization in Pathology, focusing in clinical laboratory director, non-physician . The healthcare provider is registered in the NPI registry with number 1700721313 assigned on April 2026. The practitioner's primary taxonomy code is 247ZC0005X. The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1700721313
- Provider Name
- YANG CAO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 660 S EUCLID AVE SAINT LOUIS, MO 63110
- Location Phone
- (314) 273-3225
- Mailing Address
- 817 LOUWEN DR SAINT LOUIS, MO 63124
- Mailing Phone
- (608) 770-3285
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-21-2026
- Last Update Date
- 04-21-2026
- 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
Pathology Clinical Laboratory Director, Non-physician
- Taxonomy Code
- 247ZC0005X
- Type
- Technologists, Technicians & Other Technical Service Providers
- Taxonomy Description
- An individual who is state-licensed as a clinical laboratory director and meets the qualifications in the Clinical Laboratory Improvement Amendments of 1988 for non-physicians (non-MD/DO) as defined in the CFR 42 Part 493.1405.
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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 1700721313, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).
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 47 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1700721313, enumerated as an "individual" on April 21, 2026.
The provider is located at 660 S EUCLID AVE SAINT LOUIS, MO 63110 and the phone number is (314) 273-3225.
Pathology with taxonomy code 247ZC0005X and a focus in Clinical Laboratory Director, Non-physician.
