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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALYSSA D TANGSRUD LAC, LPC
NPI 1942180559
Counselor - Addiction (Substance Use Disorder) in Denver, CO

Active since September 04, 2025
2535 S DOWNING ST STE 500, DENVER, CO 80210(720) 463-0503 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 16, 2026, Sep 4, 2025 (2 updates tracked since 2025).

About Alyssa D Tangsrud Lac, Lpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALYSSA D TANGSRUD LAC, LPC (NPI 1942180559) is an individual addiction (substance use disorder) provider in Denver, Colorado, licensed in Colorado (0002499) and active in the NPI registry since September 2025.

NPPES Registry Identity

NPI1942180559
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameALYSSA D TANGSRUDCredential: LAC, LPC
Location Address2535 S DOWNING ST STE 500Denver, CO 80210-5823
Mailing Address2535 S Downing St Ste 500Denver, CO 80210-5823 · (720) 463-0503
Phone(720) 463-0503
Sole ProprietorNo
Enumeration DateSeptember 4, 2025
Last NPPES UpdateSeptember 16, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2026
✔ NPI 1942180559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CO · 0002499
2535 S DOWNING ST STE 500, Denver, CO 80210
Open in Google Maps ↗

Other Names 1

Former Name (1)Alyssa Resendiz Lac, Lpc

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANIEL DWYER IV ADDC, LPCC
Counselor (Addiction (Substance Use Disorder))
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (303) 529-1997
MADELINE PAIGE ARENTH LPCC
Counselor (Mental Health)
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (303) 529-1997
MR. STEVEN C MAYS MD
Psychiatry & Neurology (Psychiatry)
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (303) 529-1997
CALI B CLAUSSEN
Counselor (Addiction (Substance Use Disorder))
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (303) 529-1997
MS. MARISSA CASADOS MA
Counselor (Addiction (Substance Use Disorder))
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (720) 463-0503
TAYLOR GOULD
Counselor (Mental Health)
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (720) 463-0503
KIRSTEN BOWLAND
Nurse Practitioner (Psychiatric/Mental Health)
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (303) 529-1997
GUARDIAN RECOVERY - CURAWEST, LLC
Substance Abuse Rehabilitation Facility
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (561) 223-6482

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alyssa Tangsrud's NPI number?

The NPI number for Alyssa Tangsrud is 1942180559. It was assigned to this individual provider in the NPPES registry on September 4, 2025. The provider is also known as Alyssa Resendiz Lac, Lpc.

Where is Alyssa Tangsrud located?

Alyssa Tangsrud practices at 2535 S Downing St Ste 500, Denver, CO 80210. The listed phone number is (720) 463-0503.

What is Alyssa Tangsrud's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Alyssa Tangsrud was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.