STEPHANIE JANE CLARK RN
NPI 1023983152
Registered Nurse - Addiction (Substance Use Disorder) in San Francisco, CA
NPI Status: Active since October 08, 2025
Contact Information
1001 PORTRERO AVE
SAN FRANCISCO, CA
ZIP 94110
Phone: (628) 206-8412
- Individual
- Female
- Registered Nurse
- Addiction (Substance Use Disorder)
About STEPHANIE CLARK
This page provides the complete NPI Profile along with additional information for Stephanie Clark, a provider established in San Francisco, California with a medical specialization in Registered Nurse, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1023983152 assigned on October 2025. The practitioner's primary taxonomy code is 163WA0400X with license number 465035 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1023983152
- Provider Name
- STEPHANIE JANE CLARK RN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1001 PORTRERO AVE SAN FRANCISCO, CA 94110
- Location Phone
- (628) 206-8412
- Mailing Address
- 1001 PORTRERO AVE SAN FRANCISCO, CA 94110
- Mailing Phone
- (628) 206-8412
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-08-2025
- Last Update Date
- 10-08-2025
- Code Navigator
A registered nurse (RN) like Stephanie Clark coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.
Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.
Addiction nurses - this registered nurse specializes in addiction medicine assisting patients in overcoming dependencies on alcohol, drugs, and other substances.
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
Registered Nurse Addiction (Substance Use Disorder)
- Taxonomy Code
- 163WA0400X
- Type
- Nursing Service Providers
- License No.
- 465035
- 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 1023983152, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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 58 is 60. 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 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1023983152, enumerated as an "individual" on October 08, 2025.
The provider is located at 1001 PORTRERO AVE SAN FRANCISCO, CA 94110 and the phone number is (628) 206-8412.
Registered Nurse with taxonomy code 163WA0400X and a focus in Addiction (Substance Use Disorder).
