THE MISSING L INC
NPI 1639618259
Clinic/Center - Rehabilitation, Substance Use Disorder in Chesterfield, MO
NPI Status: Active since February 15, 2017
Contact Information
626 CEPI DR
CHESTERFIELD, MO
ZIP 63005
Phone: (636) 532-9991
- Organization
- Clinic/Center
- Rehabilitation, Substance Use Disorder
About THE MISSING L INC
This page provides the complete NPI Profile along with additional information for The Missing L Inc, a provider established in Chesterfield, Missouri operating as a Clinic/center, focusing in rehabilitation, substance use disorder . The healthcare provider is registered in the NPI registry with number 1639618259 assigned on February 2017. The practitioner's primary taxonomy code is 261QR0405X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's
- NPI
- 1639618259
- Provider Legal Name
- THE MISSING L INC
- Other Organization Name
- Other Name Type
- (6)
- Entity Type
- Organization
- Location Address
- 626 CEPI DR CHESTERFIELD, MO 63005
- Location Phone
- (636) 532-9991
- Mailing Address
- 626 CEPI DR CHESTERFIELD, MO 63005
- Mailing Phone
- (636) 532-9991
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 02-15-2017
- Last Update Date
- 06-30-2025
- Code Navigator
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
Clinic/Center Rehabilitation, Substance Use Disorder
- Taxonomy Code
- 261QR0405X
- Type
- Ambulatory Health Care Facilities
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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 1639618259, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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 61 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639618259, enumerated as an "organization" on February 15, 2017.
The provider is located at 626 CEPI DR CHESTERFIELD, MO 63005 and the phone number is (636) 532-9991.
Clinic/Center with taxonomy code 261QR0405X and a focus in Rehabilitation, Substance Use Disorder.
