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

MS. GAYLA JOYCE O'FALLON LPC, MAC
NPI 1336634450
Counselor - Addiction (Substance Use Disorder) in Evergreen, CO

Q: What is Gayla O'fallon's NPI number?

The NPI number for Gayla O'fallon is 1336634450. It was assigned to this individual provider in the NPPES registry on June 30, 2018.

Q: What is Gayla O'fallon'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 Gayla O'fallon was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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 June 30, 2018

32065 CASTLE CT STE 205, EVERGREEN, CO 80439(720) 837-4724(720) 504-7787 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Jun 30, 2018 (2 updates tracked since 2018).

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About Ms. Gayla Joyce O'fallon Lpc, Mac NPPES

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

MS. GAYLA JOYCE O'FALLON LPC, MAC (NPI 1336634450) is an individual addiction (substance use disorder) provider in Evergreen, Colorado, licensed in Colorado (3294) and active in the NPI registry since June 2018.

NPPES Registry Identity

NPI1336634450

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameMS. GAYLA JOYCE O'FALLONCredential: LPC, MAC

Location Address32065 CASTLE CT STE 205Evergreen, CO 80439-9586

Mailing Address32065 Castle Ct Ste 205Evergreen, CO 80439-9586 · (720) 837-4724 · Fax (720) 504-7787

Phone(720) 837-4724

Fax(720) 504-7787

Sole ProprietorYes

Enumeration DateJune 30, 2018

Last NPPES UpdateSeptember 29, 20262 updates tracked since enumeration

✔ NPI 1336634450 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 · 3294

32065 CASTLE CT STE 205, Evergreen, CO 80439

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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 Gayla O'fallon's NPI number?

The NPI number for Gayla O'fallon is 1336634450. It was assigned to this individual provider in the NPPES registry on June 30, 2018.

Where is Gayla O'fallon located?

Gayla O'fallon practices at 32065 Castle Ct Ste 205, Evergreen, CO 80439. The listed phone number is (720) 837-4724.

What is Gayla O'fallon'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 Gayla O'fallon was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.