TWIN TOWN CORPORATION
NPI 1871929612
Clinic/Center - Rehabilitation, Substance Use Disorder in Sherman Oaks, CA

NPI Status: Active since September 25, 2013

Contact Information

4940 VAN NUYS BLVD STE 201
SHERMAN OAKS, CA
ZIP 91403
Phone: (818) 985-0560
Fax: (818) 985-7193

NPI Profile Information
Primary Taxonomy
Secondary Locations
Authorized Official
CLIA Information
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Organization
Clinic/Center
Rehabilitation, Substance Use Disorder
CLIA Number: 05D2280714
CLIA Cert. Type: Other - OUTPATIENT SUD TREAT
CLIA Exp. Date: 04-24-2027

About TWIN TOWN CORPORATION

This page provides the complete NPI Profile along with additional information for Twin Town Corporation, a provider established in Sherman Oaks, California operating as a Clinic/center, focusing in rehabilitation, substance use disorder . The healthcare provider is registered in the NPI registry with number 1871929612 assigned on September 2013. The practitioner's primary taxonomy code is 261QR0405X with license number 190290BP (CA). The provider is registered as an organization and their NPI record was last updated one year ago. The provider's . The authorized official of this NPI record is Mr. David Paul Lisonbee (Ceo/ President)

NPI: 1871929612
Provider Legal Name: TWIN TOWN CORPORATION
Other Organization Name
Other Name Type: (6)
Entity Type: Organization
Location Address: 4940 VAN NUYS BLVD STE 201 SHERMAN OAKS, CA 91403
Location Phone: (818) 985-0560
Location Fax: (818) 985-7193
Mailing Address: 4388 KATELLA AVE. LOS ALAMITOS, CA 90720
Mailing Phone: (866) 594-8844
Mailing Fax: (818) 985-7193
Is Sole Proprietor?: No
Is Organization Subpart?: Yes
Enumeration Date: 09-25-2013
Last Update Date: 11-14-2025
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Location Map

Secondary Locations

6180 Laurel Canyon Blvd., Ste. 275
North Hollywood, CA 91606
(818) 985-0560

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
License No.: 190290BP
License State: CA

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name: MR. DAVID PAUL LISONBEE
Authorized Official Title: CEO/ PRESIDENT
Authorized Official Phone: (310) 629-9669

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number: 05D2280714
Facility Type: Other - OUTPATIENT SUD TREAT
Certificate Effective Date: April 25, 2025
Certificate Expiration Date: April 24, 2027
Laboratory Director: LIEPA DAGMAR
Certificate Type: Certificate of Waiver
Certificate Type Description: This CLIA certificate is issued to Twin Town Corporation to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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 1871929612, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 2

Check

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 7 → 14 → 5 9 → 18 → 9 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 1 + 8 + 2 + 1 + 8 + 6 + 2 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1871929612.