RICHARD ANTHONY CORREA PPSC
NPI 1699622548
Counselor - School in Oakley, CA

NPI Status: Active since March 11, 2026

Contact Information

1050 NEROLY RD
OAKLEY, CA
ZIP 94561
Phone: (925) 625-5900

NPI Profile Information
Primary Taxonomy
Group Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Counselor
School

About RICHARD CORREA

This page provides the complete NPI Profile along with additional information for Richard Correa, a provider established in Oakley, California with a medical specialization in Counselor, focusing in school . The healthcare provider is registered in the NPI registry with number 1699622548 assigned on March 2026. The practitioner's primary taxonomy code is 101YS0200X with license number 230045979 (CA). The provider is registered as an individual and his NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI: 1699622548
Provider Name: RICHARD ANTHONY CORREA PPSC
Gender: Male
Entity Type: Individual
Location Address: 1050 NEROLY RD OAKLEY, CA 94561
Location Phone: (925) 625-5900
Mailing Address: 20 CONNIE CT OAKLEY, CA 94561
Mailing Phone: (925) 584-1793
Is Sole Proprietor?: Yes
Enumeration Date: 03-11-2026
Last Update Date: 03-11-2026
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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: Counselor School
Taxonomy Code: 101YS0200X
Type: Behavioral Health & Social Service Providers
License No.: 230045979
License State: CA

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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 1699622548, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

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 9 → 18 → 9 6 → 12 → 3 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 1 + 2 + 2 + 4 + 5 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1699622548.