MS. JENNIFER HISAKO HAYASHI P.A.
NPI 1184959033
Physician Assistant - Surgical in Walnut Creek, CA
NPI Status: Active since October 09, 2009
Contact Information
301 LENNON LN
SUITE 102
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 932-9270
Fax: (925) 932-9275
- Individual
- Female
- Physician Assistant
- Surgical
About JENNIFER HAYASHI
This page provides the complete NPI Profile along with additional information for Jennifer Hayashi, a provider established in Walnut Creek, California with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1184959033 assigned on October 2009. The practitioner's primary taxonomy code is 363AS0400X with license number PA20498 (CA). The provider is registered as an individual and her NPI record was last updated 17 years ago.
- NPI
- 1184959033
- Provider Name
- MS. JENNIFER HISAKO HAYASHI P.A.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 301 LENNON LN SUITE 102 WALNUT CREEK, CA 94598
- Location Phone
- (925) 932-9270
- Location Fax
- (925) 932-9275
- Mailing Address
- 301 LENNON LN SUITE 102 WALNUT CREEK, CA 94598
- Mailing Phone
- (925) 932-9270
- Mailing Fax
- (925) 932-9275
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-09-2009
- Last Update Date
- 10-09-2009
- 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
Physician Assistant Surgical
- Taxonomy Code
- 363AS0400X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- PA20498
- 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 1184959033, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
WALNUT CREEK, CA 94598
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1184959033, enumerated as an "individual" on October 09, 2009.
The provider is located at 301 LENNON LN SUITE 102 WALNUT CREEK, CA 94598 and the phone number is (925) 932-9270.
Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.
