MRS. ANDREA DEFFNER PT
NPI 1902978216
Physical Therapist - Neurology in Redwood City, CA
NPI Status: Active since November 14, 2006
Contact Information
1150 VETERANS BLVD
REDWOOD CITY, CA
ZIP 94063
Phone: (650) 299-2000
- Individual
- Female
- Physical Therapist
- Neurology
About ANDREA DEFFNER
This page provides the complete NPI Profile along with additional information for Andrea Deffner, a provider established in Redwood City, California with a medical specialization in Physical Therapist, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1902978216 assigned on November 2006. The practitioner's primary taxonomy code is 2251N0400X with license number 24770 (CA). The provider is registered as an individual and her NPI record was last updated 5 years ago.
- NPI
- 1902978216
- Provider Name
- MRS. ANDREA DEFFNER PT
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1150 VETERANS BLVD REDWOOD CITY, CA 94063
- Location Phone
- (650) 299-2000
- Mailing Address
- 1150 VETERANS BLVD ROOM 830 REDWOOD CITY, CA 94063
- Mailing Phone
- (650) 299-2000
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-14-2006
- Last Update Date
- 12-03-2021
- 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
Physical Therapist Neurology
- Taxonomy Code
- 2251N0400X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- License No.
- 24770
- License State
- CA
- Taxonomy Description
- A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Neurologic Physical Therapy, who has demonstrated specialized knowledge and skill in neuroanatomy and neurophysiology, including knowledge of central, peripheral, and autonomic nervous systems in populations with and without neurologic conditions; motor control and movement sciences in populations with and without neurologic conditions; behavioral sciences, including psychology and neuropsychology, and psychiatry; and medical management and pharmacology.
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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 1902978216, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 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.
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1902978216, enumerated as an "individual" on November 14, 2006.
The provider is located at 1150 VETERANS BLVD REDWOOD CITY, CA 94063 and the phone number is (650) 299-2000.
Physical Therapist with taxonomy code 2251N0400X and a focus in Neurology.
