CASEY L WILLIAMS
NPI 1558298679
Case Management in Dallas, TX
NPI Status: Active since May 04, 2026
Contact Information
1111 W MOCKINGBIRD LN
DALLAS, TX
ZIP 75247
Phone: (972) 489-5552
- Individual
- Female
- Case Management
About CASEY WILLIAMS
This page provides the complete NPI Profile along with additional information for Casey Williams, a provider established in Dallas, Texas with a medical specialization in Case Management. The healthcare provider is registered in the NPI registry with number 1558298679 assigned on May 2026. The practitioner's primary taxonomy code is 251B00000X. The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1558298679
- Provider Name
- CASEY L WILLIAMS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1111 W MOCKINGBIRD LN DALLAS, TX 75247
- Location Phone
- (972) 489-5552
- Mailing Address
- 7111 PORT PHILLIP DR ARLINGTON, TX 76002
- Mailing Phone
- (512) 909-6638
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-04-2026
- Last Update Date
- 05-04-2026
- Code Navigator
Location Map
Secondary Locations
- 7111 Port Phillip Dr
Arlington, TX 76002
(512) 909-6638
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 Management
- Taxonomy Code
- 251B00000X
- Type
- Agencies
- Taxonomy Description
- An organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access to needed medical, social, educational, and/or other services. Case management services may be used to locate, coordinate, and monitor necessary appropriate services. It may be used to encourage the use of cost-effective medical care by referrals to appropriate providers and to discourage over utilization of costly services. Case management may also serve to provide necessary coordination of non-medical services such as vocational rehabilitation, education, employment, when the services provided enable the individual to function at the highest level.
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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 1558298679, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1558298679, enumerated as an "individual" on May 04, 2026.
The provider is located at 1111 W MOCKINGBIRD LN DALLAS, TX 75247 and the phone number is (972) 489-5552.
Case Management with taxonomy code 251B00000X.
