DR. CHARLES P ROTH PH.D.
NPI 1154557064
Clinical Neuropsychologist in San Francisco, CA

NPI Status: Active since June 05, 2009

Contact Information

2538 CALIFORNIA ST
SAN FRANCISCO, CA
ZIP 94115
Phone: (415) 929-8701

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  • Individual
  • Male
  • Clinical Neuropsychologist

About CHARLES ROTH

This page provides the complete NPI Profile along with additional information for Charles Roth, a provider established in San Francisco, California with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1154557064 assigned on June 2009. The practitioner's primary taxonomy code is 103G00000X with license number 19541 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1154557064
Provider Name
DR. CHARLES P ROTH PH.D.
Gender
Male
Entity Type
Individual
Location Address
2538 CALIFORNIA ST SAN FRANCISCO, CA 94115
Location Phone
(415) 929-8701
Mailing Address
2538 CALIFORNIA ST SAN FRANCISCO, CA 94115
Mailing Phone
(415) 929-8701
Is Sole Proprietor?
Yes
Enumeration Date
06-05-2009
Last Update Date
06-05-2009
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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.
19541
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 1154557064, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 5 → 10 → 1 5 → 10 → 1 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 0 + 5 + 1 + 4 + 0 + 1 + 2 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1154557064.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Psychologist (Clinical)
2538 CALIFORNIA ST
SAN FRANCISCO, CA 94115
Psychologist (Clinical)
2538 CALIFORNIA ST
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
2538 CALIFORNIA ST
SAN FRANCISCO, CA 94115
Marriage & Family Therapist
2538 CALIFORNIA ST
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154557064, enumerated as an "individual" on June 05, 2009.

The provider is located at 2538 CALIFORNIA ST SAN FRANCISCO, CA 94115 and the phone number is (415) 929-8701.

Clinical Neuropsychologist with taxonomy code 103G00000X.