QUOC DU PNP
NPI 1225291974
Nurse Practitioner - Pediatrics in Palo Alto, CA
NPI Status: Active since July 02, 2008
Contact Information
300 PASTEUR DR
SUMC - PEDS PHYSICIAN BILLING MC:5530
PALO ALTO, CA
ZIP 94305
Phone: (650) 498-7391
Fax: (650) 725-7888
NPPES record last updated: August 29, 2008. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Nurse Practitioner
- Pediatrics
About QUOC DU
This page provides the complete NPI Profile along with additional information for Quoc Du, a provider established in Palo Alto, California with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1225291974 assigned on July 2008. The practitioner's primary taxonomy code is 363LP0200X with license number NP17186 (CA). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1225291974
- Provider Name
- QUOC DU PNP
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 300 PASTEUR DR SUMC - PEDS PHYSICIAN BILLING MC:5530 PALO ALTO, CA 94305
- Location Phone
- (650) 498-7391
- Location Fax
- (650) 725-7888
- Mailing Address
- 300 PASTEUR DR SUMC - PEDS PHYSICIAN BILLING MC:5530 PALO ALTO, CA 94305
- Mailing Phone
- (650) 498-7391
- Mailing Fax
- (650) 725-7888
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-02-2008
- Last Update Date
- 08-29-2008
- Code Navigator
A nurse practitioner (NP) like Quoc Du is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
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
Nurse Practitioner Pediatrics
- Taxonomy Code
- 363LP0200X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- NP17186
- License State
- CA
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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 1225291974, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. 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.
PALO ALTO, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1225291974, enumerated as an "individual" on July 02, 2008.
The provider is located at 300 PASTEUR DR SUMC - PEDS PHYSICIAN BILLING MC:5530 PALO ALTO, CA 94305 and the phone number is (650) 498-7391.
Nurse Practitioner with taxonomy code 363LP0200X and a focus in Pediatrics.
