MS. DORIS JOYNER
NPI 1083428858
Case Manager/Care Coordinator in Lancaster, CA

NPI Status: Active since February 03, 2025

Contact Information

45345 SIERRA HWY
LANCASTER, CA
ZIP 93534
Phone: (949) 403-0024

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  • Individual
  • Female
  • Case Manager/Care Coordinator

About DORIS JOYNER

This page provides the complete NPI Profile along with additional information for Doris Joyner, a provider established in Lancaster, California with a medical specialization in Case Manager/care Coordinator. The healthcare provider is registered in the NPI registry with number 1083428858 assigned on February 2025. The practitioner's primary taxonomy code is 171M00000X. The provider is registered as an individual and her NPI record was last updated one year ago. 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
1083428858
Provider Name
MS. DORIS JOYNER
Other Name
DORIS NEWMAN
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
45345 SIERRA HWY LANCASTER, CA 93534
Location Phone
(949) 403-0024
Mailing Address
45345 SIERRA HWY LANCASTER, CA 93534
Mailing Phone
(949) 403-0024
Is Sole Proprietor?
Yes
Enumeration Date
02-03-2025
Last Update Date
02-03-2025
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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

Case Manager/Care Coordinator

Taxonomy Code
171M00000X
Type
Other Service Providers
License State
CA
Taxonomy Description
A person who provides case management services and assists an individual in gaining access to needed medical, social, educational, and/or other services. The person has the ability to provide an assessment and review of completed plan of care on a periodic basis. This person is also able to take collaborative action to coordinate the services with other providers and monitor the enrollee's progress toward the cost-effective achievement of objectives specified in the plan of care. Credentials may vary from an experience in the fields of psychology, social work, rehabilitation, nursing or a closely related human service field, to a related Assoc of Arts Degree or to nursing credentials. Some states may require certification in case management.

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.

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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 1083428858, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 4 → 8 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 + 6 + 3 + 8 + 2 + 1 + 6 + 8 + 1 + 0 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1083428858.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Case Management
45345 SIERRA HWY
LANCASTER, CA 93534

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083428858, enumerated as an "individual" on February 03, 2025.

The provider is located at 45345 SIERRA HWY LANCASTER, CA 93534 and the phone number is (949) 403-0024.

Case Manager/Care Coordinator with taxonomy code 171M00000X.