RYAN CLAUSNITZER
NPI 1922420017
Specialist in San Francisco, CA
NPI Status: Active since January 09, 2014
Contact Information
1390 MARKET ST
SAN FRANCISCO, CA
ZIP 94102
Phone: (415) 252-3856
- Individual
- Male
- Specialist
About RYAN CLAUSNITZER
This page provides the complete NPI Profile along with additional information for Ryan Clausnitzer, a provider established in San Francisco, California with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1922420017 assigned on January 2014. The practitioner's primary taxonomy code is 174400000X with license number 7923 (CA). The provider is registered as an individual and his NPI record was last updated 12 years ago.
- NPI
- 1922420017
- Provider Name
- RYAN CLAUSNITZER
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1390 MARKET ST SAN FRANCISCO, CA 94102
- Location Phone
- (415) 252-3856
- Mailing Address
- 1390 MARKET ST 310 SAN FRANCISCO, CA 94102
- Mailing Phone
- (415) 252-3856
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-09-2014
- Last Update Date
- 01-17-2014
- 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
Specialist
- Taxonomy Code
- 174400000X
- Type
- Other Service Providers
- License No.
- 7923
- License State
- CA
- Taxonomy Description
- An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
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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 1922420017, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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 53 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 94102
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
SAN FRANCISCO, CA 94102
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1922420017, enumerated as an "individual" on January 09, 2014.
The provider is located at 1390 MARKET ST SAN FRANCISCO, CA 94102 and the phone number is (415) 252-3856.
Specialist with taxonomy code 174400000X.
