LUMINARY YOUTH LLC
NPI 1710830229
Psychiatric Residential Treatment Facility in Largo, FL

NPI Status: Active since February 16, 2026

Contact Information

405 7TH AVE SW
LARGO, FL
ZIP 33770
Phone: (888) 966-0123

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  • Organization
  • Psychiatric Residential Treatment Facili...
  • CLIA Number: 10D2336379
  • CLIA Cert. Type: Other - POC
  • CLIA Exp. Date: 12-30-2027

About LUMINARY YOUTH LLC

This page provides the complete NPI Profile along with additional information for Luminary Youth Llc, a provider established in Largo, Florida operating as a Psychiatric Residential Treatment Facility. The healthcare provider is registered in the NPI registry with number 1710830229 assigned on February 2026. The practitioner's primary taxonomy code is 323P00000X. The provider is registered as an organization and their NPI record was last updated February 2026. The authorized official of this NPI record is Mr. Alexander Williams Msw (Ceo)

NPI
1710830229
Provider Name
LUMINARY YOUTH LLC
Entity Type
Organization
Location Address
405 7TH AVE SW LARGO, FL 33770
Location Phone
(888) 966-0123
Mailing Address
405 7TH AVE SW LARGO, FL 33770
Mailing Phone
(888) 966-0123
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-16-2026
Last Update Date
02-18-2026
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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

Psychiatric Residential Treatment Facility

Taxonomy Code
323P00000X
Type
Residential Treatment Facilities
Taxonomy Description
A residential treatment facility (RTF) is a facility or distinct part of a facility that provides to children and adolescents, a total, twenty-four hour, therapeutically planned group living and learning situation where distinct and individualized psychotherapeutic interventions can take place. Residential treatment is a specific level of care to be differentiated from acute, intermediate, and long-term hospital care, when the least restrictive environment is maintained to allow for normalization of the patient's surroundings. The RTF must be both physically and programmatically distinct if it is a part or subunit of a larger treatment program. An RTF is organized and professionally staffed to provide residential treatment of mental disorders to children and adolescents who have sufficient intellectual potential to respond to active treatment (that is, for whom it can reasonably be assumed that treatment of the mental disorder will result in an improved ability to function outside the RTF) for whom outpatient treatment, partial hospitalization or protected and structured environment is medically or psychologically necessary

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. ALEXANDER WILLIAMS MSW

Authorized Official Title
CEO
Authorized Official Phone
(502) 681-2490

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
10D2336379
Facility Type
Other - POC
Certificate Effective Date
December 31, 2025
Certificate Expiration Date
December 30, 2027
Laboratory Director
ALEX WILLIAMS
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Luminary Youth Llc 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.

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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 1710830229, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
2
Doubled → 4
Check
9
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 1 → 2 8 → 16 → 7 0 → 0 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 1 + 6 + 3 + 0 + 2 + 4 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1710830229.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Substance Abuse Rehabilitation Facility
405 7TH AVE SW
LARGO, FL 33770
Substance Abuse Rehabilitation Facility
405 7TH AVE SW
LARGO, FL 33770
Counselor (Professional)
405 7TH AVE SW
LARGO, FL 33770

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710830229, enumerated as an "organization" on February 16, 2026.

The provider is located at 405 7TH AVE SW LARGO, FL 33770 and the phone number is (888) 966-0123.

Psychiatric Residential Treatment Facility with taxonomy code 323P00000X.