CASS PIPER SANDOVAL
NPI 1174488894
Clinical Nurse Specialist - Critical Care Medicine in San Francisco, CA
NPI Status: Active since December 16, 2025
Contact Information
505 PARNASSUS AVE
SAN FRANCISCO, CA
ZIP 94143
Phone: (415) 514-7559
- Individual
- Female
- Clinical Nurse Specialist
- Critical Care Medicine
About CASS SANDOVAL
This page provides the complete NPI Profile along with additional information for Cass Sandoval, a provider established in San Francisco, California with a medical specialization in Clinical Nurse Specialist, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1174488894 assigned on December 2025. The practitioner's primary taxonomy code is 364SC0200X with license number 2398 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1174488894
- Provider Name
- CASS PIPER SANDOVAL
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 505 PARNASSUS AVE SAN FRANCISCO, CA 94143
- Location Phone
- (415) 514-7559
- Mailing Address
- 505 PARNASSUS AVE SAN FRANCISCO, CA 94143
- Mailing Phone
- (415) 514-7559
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-16-2025
- Last Update Date
- 12-16-2025
- Code Navigator
A Clinical Nurse Specialist (CNS) like Cass Sandoval is a type of advanced practice registered nurse (APRN) that provides direct patient care in various nursing specialties, including pediatrics or psychiatric-mental health. CNSs collaborate with other nurses and medical professionals to improve patient care quality. CNSs are often positioned in leadership roles where they may provide education and mentorship to other nursing personnel. Additionally, CNSs may also conduct research and advocate for certain healthcare policies.
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
Clinical Nurse Specialist Critical Care Medicine
- Taxonomy Code
- 364SC0200X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 2398
- 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 1174488894, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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 76 is 80. 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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1174488894, enumerated as an "individual" on December 16, 2025.
The provider is located at 505 PARNASSUS AVE SAN FRANCISCO, CA 94143 and the phone number is (415) 514-7559.
Clinical Nurse Specialist with taxonomy code 364SC0200X and a focus in Critical Care Medicine.
