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

JOHN TREVOR QUINLIVAN
NPI 1295659415
Counselor - Addiction (Substance Use Disorder) in Denver, CO

Q: What is John Quinlivan's NPI number?

The NPI number for John Quinlivan is 1295659415. It was assigned to this individual provider in the NPPES registry on August 10, 2026.

Q: What is John Quinlivan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Quinlivan was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since August 10, 2026

2121 S BROADWAY UNIT 155, DENVER, CO 80210(303) 264-9758 Get Directions Write a Review

NPPES record added: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About John Trevor Quinlivan NPPES

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

JOHN TREVOR QUINLIVAN (NPI 1295659415) is an individual addiction (substance use disorder) provider in Denver, Colorado and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1295659415

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameJOHN TREVOR QUINLIVAN

Location Address2121 S BROADWAY UNIT 155Denver, CO 80210-4498

Mailing Address2121 S Broadway Unit 155Denver, CO 80210-4498 · (303) 264-9758

Phone(303) 264-9758

Sole ProprietorYes

Enumeration DateAugust 10, 2026

NPPES CertifiedAugust 9, 2026

✔ NPI 1295659415 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

2121 S BROADWAY UNIT 155, Denver, CO 80210

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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 John Quinlivan's NPI number?

The NPI number for John Quinlivan is 1295659415. It was assigned to this individual provider in the NPPES registry on August 10, 2026.

Where is John Quinlivan located?

John Quinlivan practices at 2121 S Broadway Unit 155, Denver, CO 80210. The listed phone number is (303) 264-9758.

What is John Quinlivan'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 John Quinlivan was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.