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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MS. MARISSA CASADOS MA
NPI 1699682302
Counselor - Addiction (Substance Use Disorder) in Denver, CO

Active since August 26, 2026
2535 S DOWNING ST STE 500, DENVER, CO 80210(720) 463-0503 Get Directions Write a Review

NPPES record added: August 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Ms. Marissa Casados Ma NPPES

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

MS. MARISSA CASADOS MA (NPI 1699682302) is an individual addiction (substance use disorder) provider in Denver, Colorado, licensed in Colorado (ACC.0021098) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1699682302
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMS. MARISSA CASADOSCredential: MA
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 DateAugust 26, 2026
NPPES CertifiedAugust 26, 2026
✔ NPI 1699682302 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CO · ACC.0021098
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License LPCC.0021253 (CO)
2535 S DOWNING ST STE 500, Denver, CO 80210
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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
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
ALYSSA D RESENDIZ LAC, LPCC
Counselor (Addiction (Substance Use Disorder))
2535 S DOWNING ST STE 500
DENVER, CO 80210
Denver County (720) 463-0503

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 Marissa Casados's NPI number?

The NPI number for Marissa Casados is 1699682302. It was assigned to this individual provider in the NPPES registry on August 26, 2026.

Where is Marissa Casados located?

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

What is Marissa Casados'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 Marissa Casados was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.