ANTHONY H. JOHNSON
NPI 1003629007
Day Training/Habilitation Specialist in San Carlos, CA

NPI Status: Active since January 31, 2025

Contact Information

PO BOX 1329
SAN CARLOS, CA
ZIP 94070
Phone: (650) 817-9070
Fax: (650) 817-9074

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  • Individual
  • Male
  • Day Training/Habilitation Specialist

About ANTHONY JOHNSON

This page provides the complete NPI Profile along with additional information for Anthony Johnson, a provider established in San Carlos, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1003629007 assigned on January 2025. The practitioner's primary taxonomy code is 373H00000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1003629007
Provider Name
ANTHONY H. JOHNSON
Gender
Male
Entity Type
Individual
Location Address
PO BOX 1329 SAN CARLOS, CA 94070
Location Phone
(650) 817-9070
Location Fax
(650) 817-9074
Mailing Address
PO BOX 1329 SAN CARLOS, CA 94070
Mailing Phone
(508) 179-0706
Mailing Fax
(650) 817-9074
Is Sole Proprietor?
No
Enumeration Date
01-31-2025
Last Update Date
07-29-2025
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Location Map

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

Day Training/Habilitation Specialist

Taxonomy Code
373H00000X
Type
Nursing Service Related Providers
Taxonomy Description
Individuals experienced or trained in working with developmentally disabled individuals who need assistance in acquiring and maintaining life skills that enable them to cope more effectively with the demands of independent living.

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)
1103TF0000XBehavioral Health & Social Service Providers

Psychologist
Family

 
2103TS0200XBehavioral Health & Social Service Providers

Psychologist
School

 
31041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

 
4172V00000XOther Service Providers

Community Health Worker

 

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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 1003629007, 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 43. The final step is to find the difference between that total and the next multiple of ten (50 - 43 = 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
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
7
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 0 → 0 6 → 12 → 3 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 2 + 2 + 1 + 8 + 0 + 0 + 24 = 43

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

The next multiple of ten after 43 is 50. The difference is the calculated check digit.

50 - 43 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1003629007.

Other Providers at the Same Location


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

Social Worker (Clinical)
PO BOX 1329
SAN CARLOS, CA 94070
Day Training/Habilitation Specialist
PO BOX 1329
SAN CARLOS, CA 94070
Day Training/Habilitation Specialist
PO BOX 1329
SAN CARLOS, CA 94070
Day Training/Habilitation Specialist
PO BOX 1329
SAN CARLOS, CA 94070

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003629007, enumerated as an "individual" on January 31, 2025.

The provider is located at PO BOX 1329 SAN CARLOS, CA 94070 and the phone number is (650) 817-9070.

Day Training/Habilitation Specialist with taxonomy code 373H00000X.