WHITIAN HOUSE, LLC
NPI 1558938399
Counselor - Addiction (Substance Use Disorder) in Lakewood, CO

NPI Status: Active since June 09, 2021

Contact Information

1439 ESTES ST
LAKEWOOD, CO
ZIP 80215
Phone: (720) 287-4461

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NPPES record last updated: June 9, 2021. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Counselor
  • Addiction (Substance Use Disorder)

About WHITIAN HOUSE, LLC

This page provides the complete NPI Profile along with additional information for Whitian House, Llc, a provider established in Lakewood, Colorado operating as a Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1558938399 assigned on June 2021. The practitioner's primary taxonomy code is 101YA0400X. The provider is registered as an organization and their NPI record was last updated 5 years ago. Whitian House, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Ms. Whitney A Post Ma, Mac, Cac Iii (Owner/clinical Director)

NPI
1558938399
Provider Name
WHITIAN HOUSE, LLC
Entity Type
Organization
Location Address
1439 ESTES ST LAKEWOOD, CO 80215
Location Phone
(720) 287-4461
Mailing Address
1439 ESTES ST LAKEWOOD, CO 80215
Mailing Phone
(303) 918-0880
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
06-09-2021
Last Update Date
06-09-2021
Code Navigator

A Substance Abuse or Addiction Counselor like Whitian House, Llc advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

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

Counselor Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1261QM0850XAmbulatory Health Care Facilities

Clinic/Center
Adult Mental Health

 
2261QR0405XAmbulatory Health Care Facilities

Clinic/Center
Rehabilitation, Substance Use Disorder

 
3324500000XResidential Treatment Facilities

Substance Abuse Rehabilitation Facility

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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

MS. WHITNEY A POST MA, MAC, CAC III

Authorized Official Title
OWNER/CLINICAL DIRECTOR
Authorized Official Phone
(303) 918-0880

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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 1558938399, 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.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 5 → 10 → 1 9 → 18 → 9 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 1 + 8 + 3 + 1 + 6 + 3 + 1 + 8 + 24 = 71

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.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1558938399.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558938399, enumerated as an "organization" on June 09, 2021.

The provider is located at 1439 ESTES ST LAKEWOOD, CO 80215 and the phone number is (720) 287-4461.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).