ERROL F. LEIFER PH.D.
NPI 1881743474
Clinical Neuropsychologist in Madera, CA

NPI Status: Active since January 10, 2007

Contact Information

9300 VALLEY CHILDRENS PL
MADERA, CA
ZIP 93638
Phone: (559) 353-5540
Fax: (559) 353-8602

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  • Individual
  • Male
  • Clinical Neuropsychologist

About ERROL LEIFER

This page provides the complete NPI Profile along with additional information for Errol Leifer, a provider established in Madera, California with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1881743474 assigned on January 2007. The practitioner's primary taxonomy code is 103G00000X with license number PSY4190 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1881743474
Provider Name
ERROL F. LEIFER PH.D.
Gender
Male
Entity Type
Individual
Location Address
9300 VALLEY CHILDRENS PL MADERA, CA 93638
Location Phone
(559) 353-5540
Location Fax
(559) 353-8602
Mailing Address
9300 VALLEY CHILDRENS PL MADERA, CA 93638
Mailing Phone
(559) 353-5540
Mailing Fax
(559) 353-8602
Is Sole Proprietor?
No
Enumeration Date
01-10-2007
Last Update Date
07-08-2007
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
PSY4190
License State
CA
Taxonomy Description
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

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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 1881743474, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
4
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 8 → 16 → 7 7 → 14 → 5 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 6 + 1 + 1 + 4 + 4 + 6 + 4 + 1 + 4 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1881743474.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist
9300 VALLEY CHILDRENS PL, MB-20
MADERA, CA 93638
Pediatrics (Pediatric Hematology-Oncology)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Hospitalist
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics (Pediatric Endocrinology)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics (Pediatric Hematology-Oncology)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics (Pediatric Rheumatology)
9300 VALLEY CHILDRENS PL, SUITE G270
MADERA, CA 93638
Radiology (Pediatric Radiology)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Emergency Medicine
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Neurological Surgery
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics (Pediatric Gastroenterology)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics (Neonatal-Perinatal Medicine)
9300 VALLEY CHILDRENS PL, SW19
MADERA, CA 93638
Pediatrics
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pharmacist
9300 VALLEY CHILDRENS PL, GW19
MADERA, CA 93638
Pediatrics (Pediatric Hematology-Oncology)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics (Neonatal-Perinatal Medicine)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638
Pediatrics (Pediatric Cardiology)
9300 VALLEY CHILDRENS PL
MADERA, CA 93638

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881743474, enumerated as an "individual" on January 10, 2007.

The provider is located at 9300 VALLEY CHILDRENS PL MADERA, CA 93638 and the phone number is (559) 353-5540.

Clinical Neuropsychologist with taxonomy code 103G00000X.