MR. THOMAS ALLEN TRUJILLO JR. APCC
NPI 1710131727
Counselor - Professional in San Francisco, CA

NPI Status: Active since November 05, 2008

Contact Information

1625 CARROLL AVE
SAN FRANCISCO, CA
ZIP 94124
Phone: (415) 468-5100

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Counselor
Professional

About THOMAS TRUJILLO

This page provides the complete NPI Profile along with additional information for Thomas Trujillo, a provider established in San Francisco, California with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1710131727 assigned on November 2008. The practitioner's primary taxonomy code is 101YP2500X with license number APCC13690 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI: 1710131727
Provider Name: MR. THOMAS ALLEN TRUJILLO JR. APCC
Gender: Male
Entity Type: Individual
Location Address: 1625 CARROLL AVE SAN FRANCISCO, CA 94124
Location Phone: (415) 468-5100
Mailing Address: PO BOX 172 FAIRFIELD, CA 94533
Mailing Phone: (707) 235-7313
Is Sole Proprietor?: Yes
Enumeration Date: 11-05-2008
Last Update Date: 08-15-2023
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Location Map

Secondary Locations

1735 Enterprise Dr. Suite #105 Healthy Partnerships Inc.
Fairfield, CA 94533
(707) 425-1799

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 Professional
Taxonomy Code: 101YP2500X
Type: Behavioral Health & Social Service Providers
License No.: APCC13690
License State: CA

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)
1	101YA0400X	Behavioral Health & Social Service Providers	Counselor Addiction (Substance Use Disorder)	480015BP (CA)
2	101YM0800X	Behavioral Health & Social Service Providers	Counselor Mental Health	00000529 (CA)

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 1710131727, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).

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 → 2

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 4

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 1 → 2 1 → 2 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 2 + 3 + 2 + 7 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1710131727.