THALIA RAY ANDREWS LPC
NPI 1003876210
Counselor - Addiction (Substance Use Disorder) in Denver, CO

NPI Status: Active since March 23, 2006

Contact Information

1555 HUMBOLDT ST
DENVER, CO
ZIP 80218
Phone: (303) 504-1650
Fax: (303) 504-1660

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  • Individual
  • Female
  • Counselor
  • Addiction (Substance Use Disorder)

About THALIA ANDREWS

This page provides the complete NPI Profile along with additional information for Thalia Andrews, a provider established in Denver, Colorado with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1003876210 assigned on March 2006. The practitioner's primary taxonomy code is 101YA0400X with license number 3389 (CO). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1003876210
Provider Name
THALIA RAY ANDREWS LPC
Gender
Female
Entity Type
Individual
Location Address
1555 HUMBOLDT ST DENVER, CO 80218
Location Phone
(303) 504-1650
Location Fax
(303) 504-1660
Mailing Address
4141 E DICKENSON PL DENVER, CO 80222
Mailing Phone
(303) 504-6509
Mailing Fax
(303) 504-1660
Is Sole Proprietor?
Yes
Enumeration Date
03-23-2006
Last Update Date
09-11-2025
Code Navigator

A Substance Abuse or Addiction Counselor like Thalia Andrews 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
License No.
3389
License State
CO

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)
1101YP2500XBehavioral Health & Social Service Providers

Counselor
Professional

3281 (CO)

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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 1003876210, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
7
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
Check
0
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 0 → 0 8 → 16 → 7 6 → 12 → 3 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 6 + 7 + 1 + 2 + 2 + 2 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1003876210.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker (Clinical)
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker (Clinical)
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Professional)
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Addiction (Substance Use Disorder))
1555 HUMBOLDT ST, 3RD FLOOR
DENVER, CO 80218
Registered Nurse (Psychiatric/Mental Health)
1555 HUMBOLDT ST
DENVER, CO 80218
Case Manager/Care Coordinator
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Mental Health)
1555 HUMBOLDT ST
DENVER, CO 80218
Case Manager/Care Coordinator
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Mental Health)
1555 HUMBOLDT ST, 3 FLOOR
DENVER, CO 80218
Case Manager/Care Coordinator
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker
1555 HUMBOLDT ST
DENVER, CO 80218
Social Worker
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Mental Health)
1555 HUMBOLDT ST
DENVER, CO 80218
Counselor (Professional)
1555 HUMBOLDT ST
DENVER, CO 80218
Licensed Practical Nurse
1555 HUMBOLDT ST
DENVER, CO 80218

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003876210, enumerated as an "individual" on March 23, 2006.

The provider is located at 1555 HUMBOLDT ST DENVER, CO 80218 and the phone number is (303) 504-1650.

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