MARK HOLLINGSWORTH
NPI 1053868554
Day Training/Habilitation Specialist in Long Beach, CA

NPI Status: Active since September 01, 2016

Contact Information

456 ELM AVE
LONG BEACH, CA
ZIP 90802
Phone: (562) 437-6717

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  • Individual
  • Male
  • Day Training/Habilitation Specialist

About MARK HOLLINGSWORTH

This page provides the complete NPI Profile along with additional information for Mark Hollingsworth, a provider established in Long Beach, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1053868554 assigned on September 2016. 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
1053868554
Provider Name
MARK HOLLINGSWORTH
Gender
Male
Entity Type
Individual
Location Address
456 ELM AVE LONG BEACH, CA 90802
Location Phone
(562) 437-6717
Mailing Address
456 ELM AVE LONG BEACH, CA 90802
Is Sole Proprietor?
No
Enumeration Date
09-01-2016
Last Update Date
05-21-2025
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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)
1171M00000XOther Service Providers

Case Manager/Care Coordinator

 
2172V00000XOther Service Providers

Community Health Worker

 
3390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1053868554, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 8 → 16 → 7 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 1 + 6 + 6 + 1 + 6 + 5 + 1 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1053868554.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Social Worker
456 ELM AVE
LONG BEACH, CA 90802
Psychiatry & Neurology (Psychiatry)
456 ELM AVE
LONG BEACH, CA 90802
Case Manager/Care Coordinator
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Marriage & Family Therapist
456 ELM AVE
LONG BEACH, CA 90802
Case Manager/Care Coordinator
456 ELM AVE
LONG BEACH, CA 90802
Psychiatry & Neurology (Psychiatry)
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Rehabilitation Practitioner
456 ELM AVE
LONG BEACH, CA 90802
Occupational Therapist
456 ELM AVE
LONG BEACH, CA 90802

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053868554, enumerated as an "individual" on September 01, 2016.

The provider is located at 456 ELM AVE LONG BEACH, CA 90802 and the phone number is (562) 437-6717.

Day Training/Habilitation Specialist with taxonomy code 373H00000X.