DR. JOAO SIFFERT M.D.
NPI 1538432463
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Rancho Santa Fe, CA
NPI Status: Active since February 23, 2012
Contact Information
18277 VIA ASCENSO
RANCHO SANTA FE, CA
ZIP 92067
Phone: (858) 692-5081
- Individual
- Male
- Psychiatry & Neurology
- Neurology with Special Qualifications in...
About JOAO SIFFERT
This page provides the complete NPI Profile along with additional information for Joao Siffert, a provider established in Rancho Santa Fe, California with a medical specialization in Psychiatry & Neurology, focusing in neurology with special qualifications in child neurology . The healthcare provider is registered in the NPI registry with number 1538432463 assigned on February 2012. The practitioner's primary taxonomy code is 2084N0402X with license number 196446 (NY). The provider is registered as an individual and his NPI record was last updated 12 years ago.
- NPI
- 1538432463
- Provider Name
- DR. JOAO SIFFERT M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 18277 VIA ASCENSO RANCHO SANTA FE, CA 92067
- Location Phone
- (858) 692-5081
- Mailing Address
- PO BOX 2802 RANCHO SANTA FE, CA 92067
- Mailing Phone
- (858) 692-5081
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-23-2012
- Last Update Date
- 01-22-2014
- 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
Psychiatry & Neurology Neurology with Special Qualifications in Child Neurology
- Taxonomy Code
- 2084N0402X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 196446
- License State
- NY
- Taxonomy Description
- A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
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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 1538432463, 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538432463, enumerated as an "individual" on February 23, 2012.
The provider is located at 18277 VIA ASCENSO RANCHO SANTA FE, CA 92067 and the phone number is (858) 692-5081.
Psychiatry & Neurology with taxonomy code 2084N0402X and a focus in Neurology with Special Qualifications in Child Neurology.
