RANDY GEORGE SILVA PH.D.
NPI 1689864076
Psychologist - Cognitive & Behavioral in Richmond, CA

NPI Status: Active since July 31, 2007

Contact Information

2970 HILLTOP MALL RD STE 101
RICHMOND, CA
ZIP 94806
Phone: (510) 323-2522

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  • Individual
  • Male
  • Psychologist
  • Cognitive & Behavioral

About RANDY SILVA

This page provides the complete NPI Profile along with additional information for Randy Silva, a provider established in Richmond, California with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1689864076 assigned on July 2007. The practitioner's primary taxonomy code is 103TB0200X. The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1689864076
Provider Name
RANDY GEORGE SILVA PH.D.
Other Name
GEORGE RANDELL SILVA PD.D.
Other Name Type
Other Name (5)
Gender
Male
Entity Type
Individual
Location Address
2970 HILLTOP MALL RD STE 101 RICHMOND, CA 94806
Location Phone
(510) 323-2522
Mailing Address
1240 GENEVA AVE APT 5 SAN FRANCISCO, CA 94112
Mailing Phone
(415) 290-6652
Is Sole Proprietor?
No
Enumeration Date
07-31-2007
Last Update Date
10-11-2018
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Location Map

Secondary Locations

  • 1701 Ocean Ave
    San Francisco, CA 94112
    (415) 452-2210

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

Psychologist Cognitive & Behavioral

Taxonomy Code
103TB0200X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

 

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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 1689864076, 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 8 → 16 → 7 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 6 + 6 + 8 + 0 + 1 + 4 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1689864076.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Legal Medicine
2970 HILLTOP MALL RD STE 101
RICHMOND, CA 94806
Psychologist (Clinical)
2970 HILLTOP MALL RD STE 101
RICHMOND, CA 94806

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689864076, enumerated as an "individual" on July 31, 2007.

The provider is located at 2970 HILLTOP MALL RD STE 101 RICHMOND, CA 94806 and the phone number is (510) 323-2522.

Psychologist with taxonomy code 103TB0200X and a focus in Cognitive & Behavioral.